🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.49 AU - 0.59 AU

Year: 260 Days

Day: 12.5 Hours

Environment

Temp: -122 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 29,650,384 km

• M1: 216,618 km (0.027 R)
• M2: 396,135 km (0.074 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.54 AU - 0.66 AU

Year: 305 Days

Day: 16.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 46.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.3

Radius: 8.7

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.55 AU - 0.83 AU

Year: 376 Days

Day: 9.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 29,650,384 km

• M1: 112,049 km (0.108 R)
• M2: 173,234 km (0.117 R)
• M3: 243,246 km (0.109 R)
• M4: 353,649 km (0.092 R)
• M5: 423,512 km (0.11 R)
• M6: 492,925 km (0.117 R)
• M7: 563,834 km (0.077 R)
• M8: 625,170 km (0.052 R)
• M9: 685,757 km (0.098 R)
• M10: 766,240 km (0.113 R)
• M11: 820,544 km (0.087 R)
• M12: 910,453 km (0.12 R)
• M13: 991,983 km (0.108 R)
• M14: 1,063,940 km (0.032 R)
• M15: 1,179,579 km (0.043 R)
• M16: 1,256,173 km (0.08 R)
• M17: 1,450,800 km (0.062 R)
• M18: 1,528,591 km (0.115 R)
• M19: 1,612,665 km (0.105 R)
• M20: 1,669,512 km (0.045 R)
• M21: 1,736,831 km (0.119 R)
• M22: 1,874,013 km (0.064 R)
• M23: 1,979,479 km (0.044 R)
• M24: 2,475,396 km (0.108 R)
• M25: 2,541,369 km (0.059 R)
• M26: 2,869,138 km (0.119 R)
• M27: 2,927,032 km (0.078 R)
• M28: 3,014,547 km (0.113 R)
• M29: 3,168,483 km (0.076 R)
• M30: 3,240,439 km (0.055 R)
• M31: 3,337,080 km (0.067 R)
• M32: 3,428,634 km (0.107 R)
• M33: 3,484,134 km (0.097 R)
• M34: 3,570,752 km (0.112 R)
• M35: 3,848,106 km (0.114 R)
• M36: 3,905,552 km (0.066 R)
• M37: 4,060,685 km (0.05 R)
• M38: 4,165,104 km (0.077 R)
• M39: 4,257,256 km (0.099 R)
• M40: 4,356,739 km (0.07 R)
• M41: 4,591,907 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.2

Radius: 10.8

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.83 AU - 0.91 AU

Year: 532 Days

Day: 5.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 29,650,384 km

• M1: 147,653 km (0.088 R)
• M2: 230,680 km (0.106 R)
• M3: 315,053 km (0.098 R)
• M4: 415,433 km (0.105 R)
• M5: 582,833 km (0.083 R)
• M6: 670,498 km (0.114 R)
• M7: 789,877 km (0.059 R)
• M8: 876,494 km (0.059 R)
• M9: 1,030,131 km (0.083 R)
• M10: 1,117,047 km (0.072 R)
• M11: 1,193,043 km (0.064 R)
• M12: 1,331,571 km (0.11 R)
• M13: 1,431,951 km (0.096 R)
• M14: 1,544,897 km (0.078 R)
• M15: 1,686,566 km (0.099 R)
• M16: 1,774,829 km (0.085 R)
• M17: 2,262,219 km (0.077 R)
• M18: 2,394,912 km (0.104 R)
• M19: 2,536,133 km (0.08 R)
• M20: 2,619,758 km (0.119 R)
• M21: 2,710,564 km (0.09 R)
• M22: 2,802,417 km (0.075 R)
• M23: 2,976,698 km (0.118 R)
• M24: 3,154,570 km (0.054 R)
• M25: 3,283,673 km (0.1 R)
• M26: 3,381,809 km (0.085 R)
• M27: 3,547,564 km (0.094 R)
• M28: 3,797,841 km (0.087 R)
• M29: 3,914,827 km (0.086 R)
• M30: 4,005,034 km (0.119 R)
• M31: 4,103,021 km (0.098 R)
• M32: 4,223,148 km (0.119 R)
• M33: 4,365,864 km (0.043 R)
• M34: 4,474,024 km (0.066 R)
• M35: 4,612,402 km (0.111 R)
• M36: 4,685,705 km (0.055 R)
• M37: 4,781,746 km (0.062 R)
• M38: 5,172,197 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.8

Radius: 10

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1 AU - 1.06 AU

Year: 686 Days

Day: 10.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 29,650,384 km

• M1: 141,071 km (0.101 R)
• M2: 208,839 km (0.118 R)
• M3: 329,115 km (0.044 R)
• M4: 402,867 km (0.051 R)
• M5: 465,698 km (0.105 R)
• M6: 544,087 km (0.11 R)
• M7: 615,595 km (0.053 R)
• M8: 755,918 km (0.051 R)
• M9: 832,512 km (0.118 R)
• M10: 989,590 km (0.078 R)
• M11: 1,074,562 km (0.1 R)
• M12: 1,141,282 km (0.047 R)
• M13: 1,209,499 km (0.028 R)
• M14: 1,344,586 km (0.112 R)
• M15: 1,467,854 km (0.116 R)
• M16: 1,571,675 km (0.083 R)
• M17: 1,726,060 km (0.081 R)
• M18: 1,860,698 km (0.12 R)
• M19: 2,011,643 km (0.112 R)
• M20: 2,186,373 km (0.083 R)
• M21: 2,393,267 km (0.106 R)
• M22: 2,468,215 km (0.111 R)
• M23: 2,537,030 km (0.093 R)
• M24: 2,690,817 km (0.099 R)
• M25: 2,804,661 km (0.053 R)
• M26: 2,876,767 km (0.085 R)
• M27: 3,044,616 km (0.105 R)
• M28: 3,200,946 km (0.03 R)
• M29: 3,390,337 km (0.046 R)
• M30: 3,498,197 km (0.093 R)
• M31: 3,693,422 km (0.102 R)
• M32: 3,892,387 km (0.096 R)
• M33: 3,980,949 km (0.101 R)
• M34: 4,143,861 km (0.099 R)
• M35: 4,242,745 km (0.106 R)
• M36: 4,334,150 km (0.116 R)
• M37: 4,417,625 km (0.112 R)
• M38: 4,620,480 km (0.096 R)
• M39: 4,766,039 km (0.112 R)
• M40: 4,947,950 km (0.115 R)
• M41: 5,140,931 km (0.05 R)
• M42: 5,274,073 km (0.1 R)
• M43: 5,354,407 km (0.047 R)
• M44: 5,489,344 km (0.049 R)
• M45: 5,817,712 km (0.046 R)
• M46: 5,900,888 km (0.083 R)
• M47: 6,040,313 km (0.074 R)
• M48: 6,218,484 km (0.111 R)
• M49: 6,455,597 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.7

Radius: 10.9

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.41 AU - 1.57 AU

Year: 1193 Days

Day: 11.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 29,650,384 km

• M1: 138,378 km (0.052 R)
• M2: 274,961 km (0.117 R)
• M3: 369,507 km (0.068 R)
• M4: 487,240 km (0.05 R)
• M5: 610,808 km (0.117 R)
• M6: 761,304 km (0.111 R)
• M7: 870,809 km (0.074 R)
• M8: 1,003,054 km (0.101 R)
• M9: 1,238,820 km (0.082 R)
• M10: 1,395,599 km (0.109 R)
• M11: 1,492,987 km (0.104 R)
• M12: 1,653,655 km (0.078 R)
• M13: 1,743,114 km (0.04 R)
• M14: 1,855,462 km (0.042 R)
• M15: 1,934,300 km (0.062 R)
• M16: 2,147,477 km (0.118 R)
• M17: 2,314,429 km (0.098 R)
• M18: 2,430,816 km (0.11 R)
• M19: 2,866,146 km (0.111 R)
• M20: 3,413,524 km (0.091 R)
• M21: 3,484,284 km (0.103 R)
• M22: 3,690,579 km (0.029 R)
• M23: 3,818,037 km (0.064 R)
• M24: 3,937,715 km (0.075 R)
• M25: 4,096,289 km (0.119 R)
• M26: 4,266,382 km (0.046 R)
• M27: 4,390,698 km (0.071 R)
• M28: 4,496,912 km (0.113 R)
• M29: 4,662,666 km (0.103 R)
• M30: 4,761,102 km (0.098 R)
• M31: 5,010,481 km (0.084 R)
• M32: 5,563,545 km (0.051 R)
• M33: 5,815,617 km (0.115 R)
• M34: 5,932,453 km (0.035 R)
• M35: 6,211,752 km (0.055 R)
• M36: 6,407,576 km (0.102 R)
• M37: 6,771,996 km (0.035 R)
• M38: 6,917,555 km (0.118 R)
• M39: 7,041,422 km (0.085 R)
• M40: 7,337,177 km (0.119 R)
• M41: 7,613,784 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.9

Radius: 10.9

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.41 AU - 1.67 AU

Year: 1254 Days

Day: 6.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 29,650,384 km

• M1: 138,079 km (0.105 R)
• M2: 212,878 km (0.104 R)
• M3: 301,739 km (0.051 R)
• M4: 511,625 km (0.039 R)
• M5: 584,180 km (0.101 R)
• M6: 700,866 km (0.08 R)
• M7: 783,594 km (0.088 R)
• M8: 863,629 km (0.114 R)
• M9: 1,026,092 km (0.095 R)
• M10: 1,114,803 km (0.072 R)
• M11: 1,292,974 km (0.035 R)
• M12: 1,412,054 km (0.111 R)
• M13: 1,519,466 km (0.104 R)
• M14: 1,677,890 km (0.118 R)
• M15: 1,759,271 km (0.042 R)
• M16: 2,150,769 km (0.115 R)
• M17: 2,311,437 km (0.029 R)
• M18: 2,569,343 km (0.07 R)
• M19: 2,673,314 km (0.105 R)
• M20: 2,778,780 km (0.081 R)
• M21: 3,073,339 km (0.101 R)
• M22: 3,173,868 km (0.102 R)
• M23: 3,244,778 km (0.115 R)
• M24: 3,461,096 km (0.056 R)
• M25: 3,746,230 km (0.106 R)
• M26: 3,832,249 km (0.066 R)
• M27: 3,918,866 km (0.119 R)
• M28: 4,017,152 km (0.034 R)
• M29: 4,160,466 km (0.089 R)
• M30: 4,294,506 km (0.076 R)
• M31: 4,543,736 km (0.086 R)
• M32: 4,716,372 km (0.089 R)
• M33: 4,867,915 km (0.105 R)
• M34: 5,356,202 km (0.033 R)
• M35: 5,489,793 km (0.095 R)
• M36: 5,649,264 km (0.084 R)
• M37: 5,785,398 km (0.076 R)
• M38: 6,111,671 km (0.071 R)
• M39: 6,276,977 km (0.096 R)
• M40: 6,482,525 km (0.098 R)
• M41: 6,625,091 km (0.1 R)
• M42: 6,781,870 km (0.087 R)
• M43: 6,992,952 km (0.06 R)
• M44: 7,139,259 km (0.076 R)
• M45: 7,340,468 km (0.091 R)
• M46: 7,707,282 km (0.095 R)
• M47: 7,982,991 km (0.065 R)
• M48: 8,261,842 km (0.081 R)
• M49: 8,444,949 km (0.068 R)
• M50: 8,515,709 km (0.049 R)
• M51: 8,672,039 km (0.106 R)
• M52: 8,771,970 km (0.114 R)
• M53: 8,915,584 km (0.068 R)
• M54: 9,175,885 km (0.112 R)
• M55: 9,292,421 km (0.119 R)
• M56: 9,380,235 km (0.108 R)
• M57: 9,497,520 km (0.115 R)
• M58: 9,822,895 km (0.037 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.8

Radius: 11.2

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.26 AU - 4.4 AU

Year: 4917 Days

Day: 9.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 29,650,384 km

• M1: 167,101 km (0.114 R)
• M2: 242,947 km (0.086 R)
• M3: 460,163 km (0.081 R)
• M4: 622,477 km (0.097 R)
• M5: 942,317 km (0.114 R)
• M6: 1,060,350 km (0.091 R)
• M7: 1,141,881 km (0.12 R)
• M8: 1,240,017 km (0.074 R)
• M9: 1,355,806 km (0.051 R)
• M10: 1,475,484 km (0.109 R)
• M11: 1,661,733 km (0.09 R)
• M12: 1,823,149 km (0.096 R)
• M13: 1,955,992 km (0.114 R)
• M14: 2,179,043 km (0.106 R)
• M15: 2,820,518 km (0.062 R)
• M16: 2,916,859 km (0.082 R)
• M17: 2,994,800 km (0.063 R)
• M18: 3,132,729 km (0.095 R)
• M19: 3,497,449 km (0.119 R)
• M20: 3,705,988 km (0.103 R)
• M21: 3,897,174 km (0.1 R)
• M22: 4,179,166 km (0.114 R)
• M23: 4,580,836 km (0.079 R)
• M24: 4,740,308 km (0.102 R)
• M25: 4,855,498 km (0.099 R)
• M26: 5,325,235 km (0.102 R)
• M27: 6,435,401 km (0.116 R)
• M28: 6,563,008 km (0.108 R)
• M29: 6,691,662 km (0.082 R)
• M30: 6,899,005 km (0.092 R)
• M31: 8,022,934 km (0.037 R)
• M32: 8,132,888 km (0.113 R)
• M33: 8,215,765 km (0.103 R)
• M34: 8,775,112 km (0.086 R)
• M35: 9,491,835 km (0.069 R)
• M36: 9,842,493 km (0.109 R)
• M37: 9,960,376 km (0.066 R)
• M38: 10,078,708 km (0.069 R)
• M39: 10,167,718 km (0.116 R)
• M40: 10,316,718 km (0.089 R)
• M41: 10,647,180 km (0.089 R)
• M42: 11,783,974 km (0.108 R)
• M43: 12,637,729 km (0.084 R)
• M44: 13,708,102 km (0.111 R)
• M45: 14,137,896 km (0.045 R)
• M46: 14,237,678 km (0.113 R)
• M47: 14,471,350 km (0.056 R)
• M48: 15,624,899 km (0.099 R)
• M49: 16,073,693 km (0.101 R)
• M50: 16,212,669 km (0.102 R)
• M51: 16,596,837 km (0.087 R)
• M52: 16,737,309 km (0.07 R)
• M53: 16,878,230 km (0.095 R)
• M54: 17,019,451 km (0.082 R)
• M55: 18,163,575 km (0.058 R)
• M56: 18,308,386 km (0.111 R)
• M57: 18,562,702 km (0.093 R)
• M58: 18,818,215 km (0.046 R)
• M59: 19,001,323 km (0.083 R)
• M60: 19,369,484 km (0.042 R)
• M61: 20,150,235 km (0.099 R)
• M62: 21,283,588 km (0.039 R)
• M63: 21,474,475 km (0.099 R)
• M64: 21,627,514 km (0.043 R)
• M65: 22,127,769 km (0.113 R)
• M66: 22,204,962 km (0.06 R)
• M67: 23,061,110 km (0.093 R)
• M68: 23,967,673 km (0.099 R)
• M69: 24,047,110 km (0.096 R)
• M70: 24,206,132 km (0.066 R)
• M71: 24,725,386 km (0.111 R)
• M72: 25,086,965 km (0.103 R)
• M73: 26,715,487 km (0.093 R)
• M74: 27,169,367 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.3

Radius: 8

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.65 AU - 7.33 AU

Year: 9617 Days

Day: 22 Hours

Environment

Temp: -218 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 29,650,384 km

• M1: 120,576 km (0.107 R)
• M2: 176,825 km (0.107 R)
• M3: 327,021 km (0.102 R)
• M4: 391,049 km (0.096 R)
• M5: 533,765 km (0.069 R)
• M6: 635,043 km (0.074 R)
• M7: 992,283 km (0.119 R)
• M8: 1,343,239 km (0.102 R)
• M9: 1,902,735 km (0.08 R)
• M10: 2,116,211 km (0.102 R)
• M11: 2,375,016 km (0.115 R)
• M12: 2,802,267 km (0.066 R)
• M13: 2,984,029 km (0.066 R)
• M14: 3,815,494 km (0.059 R)
• M15: 3,994,562 km (0.111 R)
• M16: 4,477,763 km (0.106 R)
• M17: 4,666,855 km (0.062 R)
• M18: 4,762,299 km (0.118 R)
• M19: 5,052,668 km (0.07 R)
• M20: 5,150,655 km (0.062 R)
• M21: 5,650,611 km (0.084 R)
• M22: 6,035,676 km (0.087 R)
• M23: 6,429,417 km (0.1 R)
• M24: 6,535,781 km (0.072 R)
• M25: 6,750,305 km (0.106 R)
• M26: 7,296,786 km (0.112 R)
• M27: 7,352,137 km (0.092 R)
• M28: 8,085,615 km (0.058 R)
• M29: 8,286,974 km (0.114 R)
• M30: 8,548,471 km (0.113 R)
• M31: 8,665,606 km (0.081 R)
• M32: 9,319,050 km (0.109 R)
• M33: 9,682,124 km (0.108 R)
• M34: 9,896,049 km (0.088 R)
• M35: 10,019,018 km (0.108 R)
• M36: 10,578,664 km (0.111 R)
• M37: 10,957,446 km (0.077 R)
• M38: 11,340,566 km (0.105 R)
• M39: 12,185,943 km (0.085 R)
• M40: 12,284,828 km (0.1 R)
• M41: 12,350,800 km (0.104 R)
• M42: 12,917,028 km (0.12 R)
• M43: 12,984,198 km (0.102 R)
• M44: 13,423,567 km (0.118 R)
• M45: 13,491,634 km (0.111 R)
• M46: 13,764,949 km (0.109 R)
• M47: 14,040,059 km (0.053 R)
• M48: 14,109,024 km (0.114 R)
• M49: 14,247,552 km (0.042 R)
• M50: 15,229,512 km (0.089 R)
• M51: 15,336,026 km (0.083 R)
• M52: 15,585,555 km (0.036 R)
• M53: 16,088,503 km (0.059 R)
• M54: 17,073,605 km (0.08 R)
• M55: 17,221,258 km (0.085 R)
• M56: 17,965,657 km (0.079 R)
• M57: 18,040,606 km (0.112 R)
• M58: 18,190,951 km (0.041 R)
• M59: 18,379,445 km (0.098 R)
• M60: 18,568,686 km (0.088 R)
• M61: 18,834,522 km (0.058 R)
• M62: 19,447,125 km (0.117 R)
• M63: 19,601,211 km (0.082 R)
• M64: 19,833,237 km (0.103 R)
• M65: 21,562,289 km (0.055 R)
• M66: 21,721,910 km (0.11 R)
• M67: 22,162,775 km (0.083 R)
• M68: 22,687,564 km (0.077 R)
• M69: 23,667,281 km (0.11 R)
• M70: 23,996,845 km (0.113 R)
• M71: 24,286,466 km (0.084 R)
• M72: 24,869,300 km (0.1 R)
• M73: 25,162,511 km (0.099 R)
• M74: 25,414,584 km (0.118 R)
• M75: 26,048,729 km (0.062 R)
• M76: 26,176,187 km (0.101 R)
• M77: 26,516,971 km (0.092 R)
• M78: 26,773,681 km (0.084 R)
• M79: 27,418,747 km (0.12 R)
• M80: 27,808,299 km (0.046 R)
• M81: 27,982,132 km (0.088 R)
• M82: 28,287,013 km (0.103 R)
• M83: 28,374,228 km (0.109 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 19,367 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit