🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.52 AU - 0.58 AU

Year: 259 Days

Day: 31.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.53 AU - 0.69 AU

Year: 303 Days

Day: 25.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 96.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.6 AU - 0.64 AU

Year: 310 Days

Day: 23.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.8

Radius: 14.9

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.62 AU - 1.04 AU

Year: 481 Days

Day: 8.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,580,498 km

• M1: 185,801 km (0.092 R)
• M2: 279,449 km (0.112 R)
• M3: 418,425 km (0.11 R)
• M4: 593,904 km (0.117 R)
• M5: 783,444 km (0.087 R)
• M6: 908,059 km (0.088 R)
• M7: 1,081,443 km (0.089 R)
• M8: 1,208,601 km (0.093 R)
• M9: 1,306,289 km (0.076 R)
• M10: 1,432,549 km (0.076 R)
• M11: 1,627,475 km (0.083 R)
• M12: 1,725,611 km (0.077 R)
• M13: 1,842,896 km (0.053 R)
• M14: 2,109,480 km (0.106 R)
• M15: 2,229,607 km (0.083 R)
• M16: 2,327,294 km (0.045 R)
• M17: 2,571,737 km (0.108 R)
• M18: 2,851,335 km (0.092 R)
• M19: 2,978,045 km (0.109 R)
• M20: 3,079,622 km (0.103 R)
• M21: 3,209,772 km (0.049 R)
• M22: 3,525,872 km (0.097 R)
• M23: 3,866,806 km (0.114 R)
• M24: 4,022,687 km (0.087 R)
• M25: 4,226,289 km (0.115 R)
• M26: 4,425,703 km (0.081 R)
• M27: 4,581,136 km (0.066 R)
• M28: 4,691,240 km (0.106 R)
• M29: 4,913,841 km (0.063 R)
• M30: 5,034,567 km (0.115 R)
• M31: 5,164,418 km (0.097 R)
• M32: 5,444,166 km (0.067 R)
• M33: 5,636,249 km (0.12 R)
• M34: 5,745,905 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.6

Radius: 11.6

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.82 AU - 1.26 AU

Year: 674 Days

Day: 6 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 57,580,498 km

• M1: 145,409 km (0.083 R)
• M2: 277,055 km (0.112 R)
• M3: 378,333 km (0.084 R)
• M4: 460,462 km (0.106 R)
• M5: 578,196 km (0.085 R)
• M6: 681,867 km (0.093 R)
• M7: 820,096 km (0.103 R)
• M8: 934,239 km (0.101 R)
• M9: 1,038,808 km (0.116 R)
• M10: 1,142,329 km (0.118 R)
• M11: 1,222,514 km (0.047 R)
• M12: 1,315,713 km (0.084 R)
• M13: 1,515,576 km (0.057 R)
• M14: 1,831,377 km (0.049 R)
• M15: 2,029,744 km (0.032 R)
• M16: 2,121,747 km (0.078 R)
• M17: 2,248,905 km (0.114 R)
• M18: 2,378,606 km (0.116 R)
• M19: 2,503,820 km (0.057 R)
• M20: 2,602,853 km (0.046 R)
• M21: 2,768,458 km (0.081 R)
• M22: 2,907,883 km (0.12 R)
• M23: 3,148,138 km (0.104 R)
• M24: 3,363,708 km (0.111 R)
• M25: 3,481,292 km (0.069 R)
• M26: 3,560,429 km (0.089 R)
• M27: 4,006,530 km (0.084 R)
• M28: 4,106,312 km (0.037 R)
• M29: 4,223,746 km (0.092 R)
• M30: 4,401,917 km (0.112 R)
• M31: 4,565,428 km (0.102 R)
• M32: 4,652,344 km (0.097 R)
• M33: 4,748,536 km (0.095 R)
• M34: 4,871,954 km (0.07 R)
• M35: 4,969,641 km (0.117 R)
• M36: 5,266,743 km (0.077 R)
• M37: 5,348,722 km (0.079 R)
• M38: 5,541,853 km (0.106 R)
• M39: 5,681,278 km (0.095 R)
• M40: 6,030,141 km (0.08 R)
• M41: 6,231,350 km (0.115 R)
• M42: 6,337,564 km (0.074 R)
• M43: 6,434,653 km (0.068 R)
• M44: 6,542,064 km (0.072 R)
• M45: 6,679,695 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.4

Radius: 11.6

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.23 AU - 3.91 AU

Year: 4289 Days

Day: 12.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 96.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 57,580,498 km

• M1: 152,590 km (0.089 R)
• M2: 391,647 km (0.083 R)
• M3: 507,436 km (0.119 R)
• M4: 646,861 km (0.074 R)
• M5: 921,972 km (0.093 R)
• M6: 1,073,664 km (0.094 R)
• M7: 1,159,084 km (0.082 R)
• M8: 1,416,393 km (0.077 R)
• M9: 1,621,641 km (0.058 R)
• M10: 1,896,003 km (0.114 R)
• M11: 2,031,389 km (0.093 R)
• M12: 2,264,164 km (0.05 R)
• M13: 2,408,227 km (0.037 R)
• M14: 2,571,737 km (0.1 R)
• M15: 3,555,343 km (0.066 R)
• M16: 4,323,079 km (0.117 R)
• M17: 4,422,711 km (0.086 R)
• M18: 4,644,415 km (0.086 R)
• M19: 5,120,137 km (0.094 R)
• M20: 5,225,603 km (0.063 R)
• M21: 5,395,995 km (0.084 R)
• M22: 5,962,223 km (0.078 R)
• M23: 6,117,955 km (0.105 R)
• M24: 6,207,564 km (0.091 R)
• M25: 6,501,823 km (0.056 R)
• M26: 7,531,654 km (0.09 R)
• M27: 8,016,501 km (0.082 R)
• M28: 8,164,005 km (0.116 R)
• M29: 8,238,056 km (0.11 R)
• M30: 8,586,619 km (0.118 R)
• M31: 8,712,281 km (0.112 R)
• M32: 8,863,973 km (0.064 R)
• M33: 8,990,982 km (0.12 R)
• M34: 9,221,213 km (0.094 R)
• M35: 9,844,737 km (0.091 R)
• M36: 10,135,106 km (0.117 R)
• M37: 10,214,692 km (0.073 R)
• M38: 10,347,984 km (0.113 R)
• M39: 10,805,454 km (0.041 R)
• M40: 11,077,573 km (0.075 R)
• M41: 11,159,702 km (0.114 R)
• M42: 11,324,559 km (0.09 R)
• M43: 11,462,488 km (0.101 R)
• M44: 11,823,917 km (0.071 R)
• M45: 12,048,164 km (0.112 R)
• M46: 12,302,031 km (0.071 R)
• M47: 13,074,555 km (0.054 R)
• M48: 13,364,775 km (0.089 R)
• M49: 13,452,140 km (0.084 R)
• M50: 13,862,935 km (0.057 R)
• M51: 14,218,230 km (0.1 R)
• M52: 14,636,506 km (0.089 R)
• M53: 14,756,783 km (0.092 R)
• M54: 14,877,359 km (0.068 R)
• M55: 14,968,015 km (0.085 R)
• M56: 15,607,845 km (0.107 R)
• M57: 15,761,482 km (0.107 R)
• M58: 15,915,717 km (0.066 R)
• M59: 16,039,285 km (0.094 R)
• M60: 16,851,153 km (0.115 R)
• M61: 17,262,098 km (0.119 R)
• M62: 17,389,256 km (0.114 R)
• M63: 17,580,443 km (0.083 R)
• M64: 17,868,718 km (0.038 R)
• M65: 18,190,802 km (0.11 R)
• M66: 18,644,831 km (0.095 R)
• M67: 18,808,043 km (0.071 R)
• M68: 18,971,553 km (0.073 R)
• M69: 19,730,164 km (0.053 R)
• M70: 19,829,796 km (0.113 R)
• M71: 20,129,740 km (0.102 R)
• M72: 20,263,630 km (0.093 R)
• M73: 20,397,819 km (0.116 R)
• M74: 20,801,883 km (0.097 R)
• M75: 20,903,310 km (0.042 R)
• M76: 21,276,856 km (0.106 R)
• M77: 21,515,615 km (0.048 R)
• M78: 22,583,743 km (0.05 R)
• M79: 23,176,899 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.1

Radius: 10.3

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.81 AU - 4.95 AU

Year: 5828 Days

Day: 8.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 57,580,498 km

• M1: 130,300 km (0.09 R)
• M2: 293,661 km (0.054 R)
• M3: 557,252 km (0.119 R)
• M4: 643,720 km (0.059 R)
• M5: 786,436 km (0.041 R)
• M6: 900,878 km (0.112 R)
• M7: 1,296,864 km (0.113 R)
• M8: 1,434,344 km (0.091 R)
• M9: 1,625,381 km (0.05 R)
• M10: 1,784,254 km (0.085 R)
• M11: 1,896,602 km (0.041 R)
• M12: 2,021,815 km (0.062 R)
• M13: 2,459,539 km (0.03 R)
• M14: 2,631,427 km (0.107 R)
• M15: 2,748,113 km (0.117 R)
• M16: 2,890,680 km (0.048 R)
• M17: 3,446,735 km (0.052 R)
• M18: 3,600,671 km (0.058 R)
• M19: 3,849,153 km (0.115 R)
• M20: 4,116,784 km (0.034 R)
• M21: 4,252,918 km (0.093 R)
• M22: 4,390,548 km (0.094 R)
• M23: 4,515,612 km (0.087 R)
• M24: 4,869,560 km (0.093 R)
• M25: 5,057,156 km (0.071 R)
• M26: 5,619,345 km (0.053 R)
• M27: 5,770,588 km (0.101 R)
• M28: 5,862,142 km (0.119 R)
• M29: 5,953,995 km (0.112 R)
• M30: 6,531,443 km (0.073 R)
• M31: 6,947,924 km (0.119 R)
• M32: 7,094,081 km (0.043 R)
• M33: 7,405,992 km (0.102 R)
• M34: 7,538,835 km (0.093 R)
• M35: 7,789,860 km (0.087 R)
• M36: 8,248,527 km (0.077 R)
• M37: 8,317,342 km (0.063 R)
• M38: 8,997,265 km (0.113 R)
• M39: 9,281,501 km (0.107 R)
• M40: 9,514,574 km (0.109 R)
• M41: 9,749,592 km (0.088 R)
• M42: 9,858,799 km (0.071 R)
• M43: 10,559,366 km (0.108 R)
• M44: 10,690,114 km (0.067 R)
• M45: 10,972,256 km (0.108 R)
• M46: 11,775,447 km (0.074 R)
• M47: 11,930,580 km (0.098 R)
• M48: 12,047,266 km (0.113 R)
• M49: 12,144,954 km (0.112 R)
• M50: 12,262,388 km (0.116 R)
• M51: 12,400,018 km (0.117 R)
• M52: 12,557,844 km (0.112 R)
• M53: 13,115,545 km (0.102 R)
• M54: 13,356,995 km (0.115 R)
• M55: 13,559,401 km (0.094 R)
• M56: 13,701,669 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.3

Radius: 11.3

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.22 AU - 6.46 AU

Year: 8973 Days

Day: 7.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,580,498 km

• M1: 166,502 km (0.115 R)
• M2: 579,692 km (0.1 R)
• M3: 1,094,009 km (0.104 R)
• M4: 1,506,899 km (0.08 R)
• M5: 1,860,698 km (0.074 R)
• M6: 3,262,131 km (0.112 R)
• M7: 3,950,581 km (0.056 R)
• M8: 4,814,359 km (0.109 R)
• M9: 5,095,154 km (0.11 R)
• M10: 5,564,891 km (0.074 R)
• M11: 5,672,901 km (0.1 R)
• M12: 5,766,100 km (0.118 R)
• M13: 6,367,933 km (0.079 R)
• M14: 6,562,260 km (0.043 R)
• M15: 7,562,771 km (0.055 R)
• M16: 7,665,544 km (0.093 R)
• M17: 8,326,617 km (0.073 R)
• M18: 8,521,544 km (0.083 R)
• M19: 9,060,545 km (0.092 R)
• M20: 9,315,908 km (0.081 R)
• M21: 9,703,516 km (0.028 R)
• M22: 10,361,149 km (0.099 R)
• M23: 11,364,801 km (0.069 R)
• M24: 11,521,878 km (0.114 R)
• M25: 13,050,769 km (0.12 R)
• M26: 13,463,659 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.5

Radius: 6.6

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 10.56 AU - 11.38 AU

Year: 23102 Days

Day: 15.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 57,580,498 km

• M1: 167,250 km (0.101 R)
• M2: 323,131 km (0.105 R)
• M3: 491,279 km (0.105 R)
• M4: 667,954 km (0.071 R)
• M5: 803,640 km (0.114 R)
• M6: 1,192,893 km (0.108 R)
• M7: 1,358,797 km (0.113 R)
• M8: 1,739,225 km (0.083 R)
• M9: 1,900,342 km (0.098 R)
• M10: 3,590,798 km (0.118 R)
• M11: 3,796,495 km (0.11 R)
• M12: 4,183,654 km (0.106 R)
• M13: 5,224,855 km (0.104 R)
• M14: 5,341,093 km (0.032 R)
• M15: 5,694,593 km (0.12 R)
• M16: 7,748,871 km (0.108 R)
• M17: 7,837,283 km (0.058 R)
• M18: 7,881,564 km (0.09 R)
• M19: 7,925,845 km (0.111 R)
• M20: 8,014,856 km (0.104 R)
• M21: 8,555,502 km (0.112 R)
• M22: 8,968,841 km (0.092 R)
• M23: 9,767,245 km (0.119 R)
• M24: 10,054,473 km (0.109 R)
• M25: 10,784,510 km (0.078 R)
• M26: 11,180,795 km (0.07 R)
• M27: 11,733,709 km (0.068 R)
• M28: 12,449,984 km (0.111 R)
• M29: 12,501,744 km (0.061 R)
• M30: 12,657,326 km (0.105 R)
• M31: 12,865,716 km (0.084 R)
• M32: 13,338,894 km (0.061 R)
• M33: 13,604,131 km (0.066 R)
• M34: 14,956,646 km (0.072 R)
• M35: 15,011,698 km (0.031 R)
• M36: 16,464,891 km (0.12 R)
• M37: 16,635,433 km (0.09 R)
• M38: 16,863,719 km (0.036 R)
• M39: 17,670,949 km (0.113 R)
• M40: 17,729,143 km (0.114 R)
• M41: 17,904,023 km (0.109 R)
• M42: 19,203,430 km (0.101 R)
• M43: 19,985,378 km (0.07 R)
• M44: 20,410,834 km (0.059 R)
• M45: 21,023,737 km (0.118 R)
• M46: 21,892,003 km (0.107 R)
• M47: 23,088,786 km (0.054 R)
• M48: 23,216,094 km (0.104 R)
• M49: 23,663,242 km (0.113 R)
• M50: 23,727,269 km (0.112 R)
• M51: 23,919,952 km (0.077 R)
• M52: 24,891,141 km (0.099 R)
• M53: 25,545,632 km (0.069 R)
• M54: 26,804,946 km (0.051 R)
• M55: 27,273,936 km (0.094 R)
• M56: 28,492,410 km (0.112 R)
• M57: 29,659,423 km (0.098 R)
• M58: 30,492,534 km (0.096 R)
• M59: 31,756,636 km (0.105 R)
• M60: 32,537,537 km (0.085 R)
• M61: 32,751,611 km (0.049 R)
• M62: 34,263,148 km (0.09 R)
• M63: 34,626,372 km (0.029 R)
• M64: 36,906,842 km (0.049 R)
• M65: 38,629,761 km (0.094 R)
• M66: 38,932,098 km (0.089 R)
• M67: 39,691,457 km (0.065 R)
• M68: 40,149,376 km (0.111 R)
• M69: 40,302,414 km (0.112 R)
• M70: 40,608,940 km (0.026 R)
• M71: 41,920,764 km (0.112 R)
• M72: 43,953,949 km (0.09 R)
• M73: 44,190,613 km (0.114 R)
• M74: 44,665,137 km (0.109 R)
• M75: 44,823,711 km (0.085 R)
• M76: 45,141,307 km (0.047 R)
• M77: 45,779,043 km (0.114 R)
• M78: 46,499,805 km (0.115 R)
• M79: 47,305,240 km (0.082 R)
• M80: 47,386,023 km (0.056 R)
• M81: 47,952,849 km (0.075 R)
• M82: 48,115,313 km (0.088 R)
• M83: 48,766,512 km (0.088 R)
• M84: 48,929,873 km (0.114 R)
• M85: 50,242,594 km (0.059 R)
• M86: 51,899,840 km (0.104 R)
• M87: 52,316,919 km (0.086 R)
• M88: 52,986,519 km (0.109 R)
• M89: 53,490,663 km (0.096 R)
• M90: 53,743,334 km (0.111 R)
• M91: 56,120,594 km (0.105 R)
• M92: 56,634,313 km (0.119 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 19,942 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit