🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.53 AU - 0.67 AU

Year: 296 Days

Day: 34.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.63 AU - 0.67 AU

Year: 333 Days

Day: 21.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,539,537 km

• M1: 713,582 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.6

Radius: 11.1

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.71 AU - 0.95 AU

Year: 481 Days

Day: 6 Hours

Environment

Temp: -144 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 87,539,537 km

• M1: 142,567 km (0.104 R)
• M2: 224,546 km (0.1 R)
• M3: 310,715 km (0.083 R)
• M4: 414,536 km (0.093 R)
• M5: 488,138 km (0.115 R)
• M6: 560,394 km (0.063 R)
• M7: 633,547 km (0.117 R)
• M8: 710,440 km (0.092 R)
• M9: 810,671 km (0.082 R)
• M10: 979,118 km (0.109 R)
• M11: 1,119,142 km (0.031 R)
• M12: 1,219,522 km (0.115 R)
• M13: 1,313,469 km (0.104 R)
• M14: 1,415,046 km (0.084 R)
• M15: 1,539,362 km (0.081 R)
• M16: 1,626,129 km (0.112 R)
• M17: 2,017,926 km (0.084 R)
• M18: 2,256,833 km (0.04 R)
• M19: 2,487,065 km (0.111 R)
• M20: 2,638,607 km (0.086 R)
• M21: 2,712,509 km (0.106 R)
• M22: 2,806,007 km (0.062 R)
• M23: 2,906,836 km (0.11 R)
• M24: 3,021,727 km (0.118 R)
• M25: 3,138,115 km (0.038 R)
• M26: 3,449,428 km (0.114 R)
• M27: 3,571,200 km (0.051 R)
• M28: 3,722,145 km (0.098 R)
• M29: 3,805,471 km (0.094 R)
• M30: 3,882,364 km (0.042 R)
• M31: 3,995,011 km (0.091 R)
• M32: 4,116,036 km (0.046 R)
• M33: 4,216,715 km (0.12 R)
• M34: 4,296,301 km (0.038 R)
• M35: 4,449,639 km (0.086 R)
• M36: 4,560,341 km (0.115 R)
• M37: 4,649,651 km (0.108 R)
• M38: 4,746,890 km (0.077 R)
• M39: 4,860,136 km (0.069 R)
• M40: 5,004,797 km (0.031 R)
• M41: 5,205,108 km (0.051 R)
• M42: 5,306,236 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.8

Radius: 8.1

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1 AU - 1.04 AU

Year: 655 Days

Day: 8.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 87,539,537 km

• M1: 102,175 km (0.081 R)
• M2: 152,590 km (0.108 R)
• M3: 219,460 km (0.12 R)
• M4: 271,071 km (0.093 R)
• M5: 338,091 km (0.1 R)
• M6: 414,835 km (0.071 R)
• M7: 475,572 km (0.059 R)
• M8: 530,773 km (0.1 R)
• M9: 597,943 km (0.073 R)
• M10: 684,410 km (0.112 R)
• M11: 817,403 km (0.106 R)
• M12: 874,549 km (0.08 R)
• M13: 929,452 km (0.071 R)
• M14: 1,136,944 km (0.101 R)
• M15: 1,193,342 km (0.047 R)
• M16: 1,271,283 km (0.091 R)
• M17: 1,329,925 km (0.114 R)
• M18: 1,380,788 km (0.114 R)
• M19: 1,587,084 km (0.094 R)
• M20: 1,655,001 km (0.087 R)
• M21: 1,737,729 km (0.104 R)
• M22: 1,789,191 km (0.119 R)
• M23: 1,960,779 km (0.116 R)
• M24: 2,028,996 km (0.056 R)
• M25: 2,137,754 km (0.056 R)
• M26: 2,233,347 km (0.114 R)
• M27: 2,304,854 km (0.051 R)
• M28: 2,418,549 km (0.119 R)
• M29: 2,476,144 km (0.057 R)
• M30: 2,539,424 km (0.067 R)
• M31: 2,608,688 km (0.067 R)
• M32: 2,738,239 km (0.074 R)
• M33: 2,798,228 km (0.104 R)
• M34: 2,858,815 km (0.077 R)
• M35: 2,942,141 km (0.035 R)
• M36: 3,037,435 km (0.106 R)
• M37: 3,105,353 km (0.12 R)
• M38: 3,225,480 km (0.115 R)
• M39: 3,323,915 km (0.076 R)
• M40: 3,382,258 km (0.068 R)
• M41: 3,499,992 km (0.119 R)
• M42: 3,703,295 km (0.071 R)
• M43: 3,757,749 km (0.102 R)
• M44: 3,898,221 km (0.098 R)
• M45: 3,978,406 km (0.098 R)
• M46: 4,040,489 km (0.062 R)
• M47: 4,102,871 km (0.101 R)
• M48: 4,285,530 km (0.057 R)
• M49: 4,349,259 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.1

Radius: 11.9

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.04 AU - 1.74 AU

Year: 1042 Days

Day: 10 Hours

Environment

Temp: -173 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 87,539,537 km

• M1: 148,251 km (0.093 R)
• M2: 262,095 km (0.078 R)
• M3: 361,279 km (0.077 R)
• M4: 450,888 km (0.113 R)
• M5: 533,316 km (0.099 R)
• M6: 649,704 km (0.084 R)
• M7: 731,234 km (0.047 R)
• M8: 837,449 km (0.099 R)
• M9: 971,489 km (0.091 R)
• M10: 1,130,511 km (0.091 R)
• M11: 1,255,874 km (0.076 R)
• M12: 1,405,173 km (0.045 R)
• M13: 1,534,276 km (0.118 R)
• M14: 1,715,140 km (0.055 R)
• M15: 1,811,780 km (0.119 R)
• M16: 1,910,365 km (0.117 R)
• M17: 2,054,278 km (0.072 R)
• M18: 2,508,307 km (0.049 R)
• M19: 2,626,789 km (0.106 R)
• M20: 2,739,137 km (0.119 R)
• M21: 3,069,000 km (0.097 R)
• M22: 3,178,955 km (0.044 R)
• M23: 3,385,549 km (0.116 R)
• M24: 3,490,567 km (0.112 R)
• M25: 3,623,410 km (0.117 R)
• M26: 3,949,085 km (0.101 R)
• M27: 4,087,612 km (0.076 R)
• M28: 4,208,936 km (0.105 R)
• M29: 4,303,183 km (0.098 R)
• M30: 4,426,751 km (0.044 R)
• M31: 4,619,283 km (0.065 R)
• M32: 4,903,220 km (0.09 R)
• M33: 5,012,426 km (0.092 R)
• M34: 5,092,461 km (0.038 R)
• M35: 5,243,555 km (0.117 R)
• M36: 5,406,317 km (0.063 R)
• M37: 5,831,325 km (0.097 R)
• M38: 6,063,800 km (0.1 R)
• M39: 6,288,646 km (0.077 R)
• M40: 6,364,193 km (0.067 R)
• M41: 6,450,959 km (0.097 R)
• M42: 6,812,986 km (0.026 R)
• M43: 6,912,918 km (0.067 R)
• M44: 7,114,127 km (0.111 R)
• M45: 7,192,965 km (0.12 R)
• M46: 7,499,640 km (0.093 R)
• M47: 7,625,751 km (0.113 R)
• M48: 7,775,798 km (0.12 R)
• M49: 7,868,698 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.7

Radius: 11.5

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.25 AU - 2.39 AU

Year: 2247 Days

Day: 7.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 87,539,537 km

• M1: 160,818 km (0.088 R)
• M2: 249,978 km (0.079 R)
• M3: 330,611 km (0.091 R)
• M4: 452,384 km (0.067 R)
• M5: 741,407 km (0.083 R)
• M6: 838,795 km (0.082 R)
• M7: 960,119 km (0.103 R)
• M8: 1,067,530 km (0.103 R)
• M9: 1,189,901 km (0.118 R)
• M10: 1,762,712 km (0.083 R)
• M11: 1,909,168 km (0.109 R)
• M12: 1,983,967 km (0.064 R)
• M13: 2,059,813 km (0.071 R)
• M14: 2,240,677 km (0.052 R)
• M15: 3,045,364 km (0.113 R)
• M16: 3,805,620 km (0.117 R)
• M17: 3,980,650 km (0.081 R)
• M18: 4,109,603 km (0.045 R)
• M19: 4,223,746 km (0.09 R)
• M20: 4,322,331 km (0.089 R)
• M21: 4,605,819 km (0.047 R)
• M22: 4,775,463 km (0.114 R)
• M23: 4,947,351 km (0.065 R)
• M24: 5,156,190 km (0.061 R)
• M25: 5,332,416 km (0.118 R)
• M26: 5,673,050 km (0.101 R)
• M27: 6,187,817 km (0.065 R)
• M28: 6,356,414 km (0.101 R)
• M29: 6,698,394 km (0.112 R)
• M30: 6,813,734 km (0.101 R)
• M31: 7,007,463 km (0.097 R)
• M32: 7,085,554 km (0.059 R)
• M33: 7,459,997 km (0.11 R)
• M34: 7,579,675 km (0.119 R)
• M35: 8,684,904 km (0.046 R)
• M36: 8,789,772 km (0.067 R)
• M37: 8,873,996 km (0.093 R)
• M38: 9,000,855 km (0.043 R)
• M39: 9,106,920 km (0.08 R)
• M40: 9,342,088 km (0.115 R)
• M41: 9,514,275 km (0.114 R)
• M42: 9,665,818 km (0.067 R)
• M43: 10,147,373 km (0.077 R)
• M44: 10,435,648 km (0.113 R)
• M45: 10,726,616 km (0.094 R)
• M46: 11,133,971 km (0.099 R)
• M47: 11,754,353 km (0.034 R)
• M48: 12,409,891 km (0.06 R)
• M49: 12,718,213 km (0.091 R)
• M50: 12,837,442 km (0.088 R)
• M51: 13,415,189 km (0.082 R)
• M52: 14,025,997 km (0.103 R)
• M53: 14,099,899 km (0.11 R)
• M54: 14,521,166 km (0.099 R)
• M55: 14,645,781 km (0.115 R)
• M56: 14,946,622 km (0.099 R)
• M57: 15,047,302 km (0.101 R)
• M58: 15,224,127 km (0.104 R)
• M59: 15,605,152 km (0.118 R)
• M60: 16,299,137 km (0.031 R)
• M61: 16,584,869 km (0.103 R)
• M62: 16,663,108 km (0.104 R)
• M63: 16,767,528 km (0.101 R)
• M64: 16,898,276 km (0.107 R)
• M65: 16,976,965 km (0.103 R)
• M66: 17,134,791 km (0.084 R)
• M67: 17,664,068 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.1

Radius: 14.1

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.77 AU - 4.21 AU

Year: 5067 Days

Day: 11.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,539,537 km

• M1: 195,524 km (0.115 R)
• M2: 347,217 km (0.097 R)
• M3: 439,967 km (0.099 R)
• M4: 558,598 km (0.105 R)
• M5: 793,168 km (0.116 R)
• M6: 974,780 km (0.081 R)
• M7: 1,110,315 km (0.089 R)
• M8: 1,221,317 km (0.066 R)
• M9: 1,336,208 km (0.105 R)
• M10: 1,448,407 km (0.025 R)
• M11: 1,598,603 km (0.096 R)
• M12: 1,697,038 km (0.105 R)
• M13: 2,020,469 km (0.099 R)
• M14: 2,143,139 km (0.102 R)
• M15: 2,236,787 km (0.115 R)
• M16: 2,436,650 km (0.095 R)
• M17: 2,768,757 km (0.052 R)
• M18: 3,504,779 km (0.047 R)
• M19: 3,597,530 km (0.093 R)
• M20: 3,814,147 km (0.091 R)
• M21: 3,976,910 km (0.049 R)
• M22: 4,230,478 km (0.12 R)
• M23: 4,519,800 km (0.065 R)
• M24: 4,846,522 km (0.053 R)
• M25: 5,065,234 km (0.114 R)
• M26: 5,159,930 km (0.052 R)
• M27: 5,806,791 km (0.091 R)
• M28: 5,983,765 km (0.109 R)
• M29: 6,308,991 km (0.081 R)
• M30: 6,651,570 km (0.092 R)
• M31: 6,860,110 km (0.085 R)
• M32: 7,391,032 km (0.077 R)
• M33: 8,094,890 km (0.113 R)
• M34: 8,305,225 km (0.119 R)
• M35: 8,442,406 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874

Radius: 7.9

Gravity: 14 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 8.21 AU - 12.93 AU

Year: 21850 Days

Day: 16.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 87,539,537 km

• M1: 720,613 km (0.041 R)
• M2: 797,805 km (0.071 R)
• M3: 1,017,864 km (0.069 R)
• M4: 1,319,603 km (0.069 R)
• M5: 1,383,332 km (0.106 R)
• M6: 1,787,545 km (0.073 R)
• M7: 1,930,261 km (0.088 R)
• M8: 2,380,850 km (0.118 R)
• M9: 3,031,002 km (0.116 R)
• M10: 3,687,737 km (0.093 R)
• M11: 4,196,819 km (0.084 R)
• M12: 4,435,577 km (0.092 R)
• M13: 4,876,442 km (0.063 R)
• M14: 6,335,769 km (0.077 R)
• M15: 6,554,631 km (0.06 R)
• M16: 6,831,686 km (0.112 R)
• M17: 7,627,846 km (0.049 R)
• M18: 7,860,620 km (0.118 R)
• M19: 8,876,240 km (0.101 R)
• M20: 9,121,281 km (0.107 R)
• M21: 9,182,766 km (0.11 R)
• M22: 9,492,882 km (0.025 R)
• M23: 9,617,797 km (0.073 R)
• M24: 11,490,612 km (0.045 R)
• M25: 11,623,904 km (0.103 R)
• M26: 11,959,303 km (0.034 R)
• M27: 12,846,119 km (0.039 R)
• M28: 13,123,174 km (0.085 R)
• M29: 14,394,606 km (0.114 R)
• M30: 15,410,226 km (0.119 R)
• M31: 16,374,085 km (0.112 R)
• M32: 17,586,875 km (0.109 R)
• M33: 20,098,025 km (0.11 R)
• M34: 20,824,173 km (0.067 R)
• M35: 21,068,167 km (0.091 R)
• M36: 21,313,209 km (0.082 R)
• M37: 21,888,412 km (0.084 R)
• M38: 23,729,214 km (0.112 R)
• M39: 24,410,782 km (0.114 R)
• M40: 26,142,976 km (0.1 R)
• M41: 28,453,216 km (0.098 R)
• M42: 28,905,001 km (0.113 R)
• M43: 29,086,314 km (0.034 R)
• M44: 30,182,418 km (0.074 R)
• M45: 30,735,631 km (0.037 R)
• M46: 32,509,113 km (0.098 R)
• M47: 32,886,698 km (0.086 R)
• M48: 35,279,516 km (0.112 R)
• M49: 36,840,121 km (0.063 R)
• M50: 37,727,835 km (0.118 R)
• M51: 37,926,052 km (0.109 R)
• M52: 38,622,580 km (0.078 R)
• M53: 39,323,296 km (0.119 R)
• M54: 39,423,676 km (0.111 R)
• M55: 40,028,201 km (0.083 R)
• M56: 41,144,351 km (0.104 R)
• M57: 41,246,377 km (0.028 R)
• M58: 42,889,410 km (0.107 R)
• M59: 43,199,826 km (0.031 R)
• M60: 43,303,497 km (0.113 R)
• M61: 43,407,169 km (0.095 R)
• M62: 44,135,710 km (0.047 R)
• M63: 44,973,159 km (0.106 R)
• M64: 49,455,111 km (0.07 R)
• M65: 51,309,227 km (0.049 R)
• M66: 51,858,999 km (0.074 R)
• M67: 52,742,524 km (0.064 R)
• M68: 53,853,887 km (0.108 R)
• M69: 55,422,720 km (0.1 R)
• M70: 56,779,423 km (0.108 R)
• M71: 57,804,168 km (0.054 R)
• M72: 59,410,251 km (0.087 R)
• M73: 60,218,828 km (0.082 R)
• M74: 61,030,995 km (0.091 R)
• M75: 63,253,570 km (0.048 R)
• M76: 64,552,528 km (0.082 R)
• M77: 64,789,641 km (0.038 R)
• M78: 66,936,670 km (0.061 R)
• M79: 67,056,647 km (0.109 R)
• M80: 69,349,384 km (0.12 R)
• M81: 70,444,441 km (0.05 R)
• M82: 71,667,852 km (0.095 R)
• M83: 71,913,342 km (0.115 R)
• M84: 73,392,416 km (0.088 R)
• M85: 74,135,618 km (0.081 R)
• M86: 74,383,951 km (0.12 R)
• M87: 74,881,364 km (0.096 R)
• M88: 75,005,979 km (0.118 R)
• M89: 75,504,738 km (0.098 R)
• M90: 77,763,068 km (0.098 R)
• M91: 78,394,371 km (0.039 R)
• M92: 80,553,217 km (0.096 R)
• M93: 80,680,824 km (0.103 R)
• M94: 82,603,007 km (0.093 R)
• M95: 83,634,335 km (0.072 R)
• M96: 84,540,300 km (0.117 R)
• M97: 86,884,499 km (0.05 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 15,908 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit