🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.5 AU - 0.56 AU

Year: 245 Days

Day: 24.5 Hours

Environment

Temp: -112 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.48 AU - 0.58 AU

Year: 245 Days

Day: 34.1 Hours

Environment

Temp: -114 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.2

Radius: 13.8

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.59 AU - 0.81 AU

Year: 372 Days

Day: 8 Hours

Environment

Temp: -146 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,421,966 km

• M1: 174,730 km (0.094 R)
• M2: 280,795 km (0.091 R)
• M3: 405,709 km (0.107 R)
• M4: 538,702 km (0.113 R)
• M5: 739,313 km (0.116 R)
• M6: 837,898 km (0.118 R)
• M7: 933,042 km (0.116 R)
• M8: 1,131,110 km (0.073 R)
• M9: 1,257,071 km (0.071 R)
• M10: 1,417,889 km (0.11 R)
• M11: 1,523,954 km (0.11 R)
• M12: 1,627,774 km (0.101 R)
• M13: 1,750,145 km (0.099 R)
• M14: 1,859,202 km (0.085 R)
• M15: 2,021,666 km (0.118 R)
• M16: 2,107,684 km (0.073 R)
• M17: 2,343,151 km (0.026 R)
• M18: 2,562,612 km (0.029 R)
• M19: 2,700,242 km (0.113 R)
• M20: 2,943,787 km (0.109 R)
• M21: 3,055,088 km (0.049 R)
• M22: 3,201,394 km (0.093 R)
• M23: 3,377,322 km (0.047 R)
• M24: 3,466,482 km (0.079 R)
• M25: 3,774,354 km (0.104 R)
• M26: 3,960,604 km (0.091 R)
• M27: 4,157,325 km (0.111 R)
• M28: 4,305,128 km (0.1 R)
• M29: 4,469,685 km (0.112 R)
• M30: 4,575,600 km (0.057 R)
• M31: 4,667,005 km (0.062 R)
• M32: 4,789,825 km (0.112 R)
• M33: 5,078,249 km (0.06 R)
• M34: 5,172,945 km (0.081 R)
• M35: 5,396,444 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.7

Radius: 13

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.9 AU - 1.32 AU

Year: 744 Days

Day: 8 Hours

Environment

Temp: -173 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 62,421,966 km

• M1: 212,279 km (0.101 R)
• M2: 324,179 km (0.092 R)
• M3: 417,079 km (0.098 R)
• M4: 514,317 km (0.114 R)
• M5: 607,517 km (0.112 R)
• M6: 707,897 km (0.12 R)
• M7: 1,017,714 km (0.104 R)
• M8: 1,134,999 km (0.119 R)
• M9: 1,319,902 km (0.111 R)
• M10: 1,429,258 km (0.118 R)
• M11: 1,568,982 km (0.085 R)
• M12: 1,755,531 km (0.056 R)
• M13: 1,898,696 km (0.087 R)
• M14: 2,045,751 km (0.113 R)
• M15: 2,135,958 km (0.119 R)
• M16: 2,235,291 km (0.114 R)
• M17: 2,462,531 km (0.091 R)
• M18: 2,599,263 km (0.077 R)
• M19: 2,689,321 km (0.044 R)
• M20: 2,931,520 km (0.054 R)
• M21: 3,025,318 km (0.076 R)
• M22: 3,111,486 km (0.083 R)
• M23: 3,277,390 km (0.088 R)
• M24: 3,500,441 km (0.077 R)
• M25: 3,618,473 km (0.093 R)
• M26: 3,784,078 km (0.113 R)
• M27: 3,999,499 km (0.058 R)
• M28: 4,170,789 km (0.037 R)
• M29: 4,325,323 km (0.096 R)
• M30: 4,412,988 km (0.1 R)
• M31: 4,511,124 km (0.083 R)
• M32: 4,789,974 km (0.073 R)
• M33: 4,890,953 km (0.119 R)
• M34: 4,972,334 km (0.12 R)
• M35: 5,364,729 km (0.12 R)
• M36: 5,480,219 km (0.107 R)
• M37: 5,575,363 km (0.049 R)
• M38: 6,048,541 km (0.101 R)
• M39: 6,234,790 km (0.111 R)
• M40: 6,323,203 km (0.09 R)
• M41: 6,489,855 km (0.098 R)
• M42: 6,613,123 km (0.063 R)
• M43: 6,725,920 km (0.104 R)
• M44: 6,862,054 km (0.06 R)
• M45: 7,497,696 km (0.075 R)
• M46: 7,864,360 km (0.094 R)
• M47: 8,031,910 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.9

Radius: 13.7

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.37 AU - 2.03 AU

Year: 1409 Days

Day: 8.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 62,421,966 km

• M1: 284,685 km (0.119 R)
• M2: 504,594 km (0.051 R)
• M3: 628,161 km (0.118 R)
• M4: 770,728 km (0.095 R)
• M5: 1,007,542 km (0.12 R)
• M6: 1,107,772 km (0.094 R)
• M7: 1,302,549 km (0.077 R)
• M8: 1,404,425 km (0.109 R)
• M9: 1,509,143 km (0.032 R)
• M10: 1,671,607 km (0.1 R)
• M11: 1,955,543 km (0.106 R)
• M12: 2,043,956 km (0.048 R)
• M13: 2,327,743 km (0.098 R)
• M14: 2,463,877 km (0.09 R)
• M15: 2,646,237 km (0.113 R)
• M16: 2,833,084 km (0.06 R)
• M17: 2,922,544 km (0.054 R)
• M18: 3,058,678 km (0.084 R)
• M19: 3,208,575 km (0.118 R)
• M20: 3,420,107 km (0.089 R)
• M21: 3,575,988 km (0.089 R)
• M22: 3,673,077 km (0.096 R)
• M23: 3,795,597 km (0.118 R)
• M24: 3,944,597 km (0.111 R)
• M25: 4,158,970 km (0.067 R)
• M26: 4,287,026 km (0.079 R)
• M27: 4,732,080 km (0.103 R)
• M28: 4,865,820 km (0.095 R)
• M29: 4,973,680 km (0.117 R)
• M30: 5,192,093 km (0.105 R)
• M31: 5,343,935 km (0.118 R)
• M32: 5,455,535 km (0.107 R)
• M33: 5,638,194 km (0.064 R)
• M34: 6,184,376 km (0.085 R)
• M35: 6,597,715 km (0.115 R)
• M36: 6,732,503 km (0.096 R)
• M37: 7,327,154 km (0.031 R)
• M38: 7,576,085 km (0.116 R)
• M39: 7,748,871 km (0.095 R)
• M40: 8,002,439 km (0.082 R)
• M41: 8,567,021 km (0.074 R)
• M42: 8,665,008 km (0.069 R)
• M43: 8,928,450 km (0.081 R)
• M44: 9,027,932 km (0.075 R)
• M45: 9,513,826 km (0.096 R)
• M46: 9,836,958 km (0.089 R)
• M47: 10,111,769 km (0.096 R)
• M48: 10,232,794 km (0.101 R)
• M49: 10,458,986 km (0.1 R)
• M50: 10,634,015 km (0.114 R)
• M51: 10,810,092 km (0.09 R)
• M52: 10,987,066 km (0.056 R)
• M53: 11,076,077 km (0.118 R)
• M54: 11,326,204 km (0.055 R)
• M55: 11,433,915 km (0.107 R)
• M56: 11,632,431 km (0.115 R)
• M57: 11,741,189 km (0.102 R)
• M58: 11,832,144 km (0.106 R)
• M59: 12,419,466 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.1

Radius: 11.6

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.22 AU - 5.04 AU

Year: 6334 Days

Day: 10.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 62,421,966 km

• M1: 173,982 km (0.097 R)
• M2: 424,409 km (0.038 R)
• M3: 551,567 km (0.107 R)
• M4: 1,217,128 km (0.119 R)
• M5: 1,492,538 km (0.056 R)
• M6: 1,599,949 km (0.074 R)
• M7: 2,273,439 km (0.044 R)
• M8: 2,745,570 km (0.114 R)
• M9: 3,604,261 km (0.1 R)
• M10: 3,883,411 km (0.099 R)
• M11: 4,572,459 km (0.073 R)
• M12: 4,683,012 km (0.041 R)
• M13: 4,890,953 km (0.119 R)
• M14: 5,415,593 km (0.084 R)
• M15: 6,027,448 km (0.09 R)
• M16: 6,376,759 km (0.098 R)
• M17: 7,839,976 km (0.051 R)
• M18: 7,934,821 km (0.116 R)
• M19: 8,068,112 km (0.087 R)
• M20: 8,609,208 km (0.087 R)
• M21: 8,687,448 km (0.099 R)
• M22: 8,963,156 km (0.096 R)
• M23: 9,082,236 km (0.12 R)
• M24: 9,161,972 km (0.105 R)
• M25: 9,705,910 km (0.077 R)
• M26: 9,848,776 km (0.075 R)
• M27: 10,177,742 km (0.097 R)
• M28: 10,302,057 km (0.104 R)
• M29: 11,594,134 km (0.103 R)
• M30: 11,702,443 km (0.032 R)
• M31: 12,138,521 km (0.104 R)
• M32: 12,248,326 km (0.112 R)
• M33: 12,624,415 km (0.077 R)
• M34: 12,802,735 km (0.099 R)
• M35: 12,892,195 km (0.114 R)
• M36: 13,365,223 km (0.063 R)
• M37: 14,842,054 km (0.117 R)
• M38: 15,719,295 km (0.116 R)
• M39: 16,248,872 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.8

Radius: 7.6

Gravity: 15.98 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.05 AU - 6.51 AU

Year: 10006 Days

Day: 20.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 62,421,966 km

• M1: 103,223 km (0.074 R)
• M2: 182,061 km (0.081 R)
• M3: 232,924 km (0.063 R)
• M4: 486,193 km (0.074 R)
• M5: 795,113 km (0.104 R)
• M6: 970,591 km (0.092 R)
• M7: 1,115,851 km (0.063 R)
• M8: 1,202,168 km (0.085 R)
• M9: 1,498,223 km (0.077 R)
• M10: 1,919,041 km (0.118 R)
• M11: 2,049,640 km (0.101 R)
• M12: 2,156,154 km (0.111 R)
• M13: 4,267,130 km (0.107 R)
• M14: 4,507,533 km (0.045 R)
• M15: 6,584,251 km (0.119 R)
• M16: 7,429,180 km (0.068 R)
• M17: 7,594,037 km (0.054 R)
• M18: 7,760,090 km (0.08 R)
• M19: 8,095,788 km (0.071 R)
• M20: 8,350,553 km (0.071 R)
• M21: 9,131,155 km (0.091 R)
• M22: 9,980,123 km (0.089 R)
• M23: 10,807,399 km (0.116 R)
• M24: 11,041,220 km (0.089 R)
• M25: 11,418,656 km (0.098 R)
• M26: 13,569,125 km (0.108 R)
• M27: 15,001,226 km (0.097 R)
• M28: 15,840,919 km (0.094 R)
• M29: 16,373,487 km (0.079 R)
• M30: 16,803,730 km (0.092 R)
• M31: 17,950,847 km (0.078 R)
• M32: 18,897,801 km (0.109 R)
• M33: 18,954,050 km (0.081 R)
• M34: 19,462,384 km (0.112 R)
• M35: 19,746,919 km (0.063 R)
• M36: 20,608,303 km (0.116 R)
• M37: 20,898,224 km (0.115 R)
• M38: 21,189,342 km (0.079 R)
• M39: 21,716,973 km (0.113 R)
• M40: 22,546,344 km (0.081 R)
• M41: 22,605,884 km (0.064 R)
• M42: 22,785,102 km (0.12 R)
• M43: 22,904,930 km (0.107 R)
• M44: 23,385,887 km (0.111 R)
• M45: 25,157,575 km (0.037 R)
• M46: 25,219,359 km (0.089 R)
• M47: 25,965,702 km (0.085 R)
• M48: 26,278,811 km (0.097 R)
• M49: 26,530,135 km (0.087 R)
• M50: 26,719,227 km (0.084 R)
• M51: 26,782,357 km (0.101 R)
• M52: 27,035,327 km (0.115 R)
• M53: 27,098,607 km (0.083 R)
• M54: 27,990,958 km (0.091 R)
• M55: 28,763,482 km (0.031 R)
• M56: 29,152,287 km (0.117 R)
• M57: 29,477,662 km (0.116 R)
• M58: 30,000,806 km (0.092 R)
• M59: 30,527,091 km (0.091 R)
• M60: 31,989,709 km (0.064 R)
• M61: 32,258,088 km (0.12 R)
• M62: 33,135,629 km (0.094 R)
• M63: 33,816,000 km (0.115 R)
• M64: 34,569,525 km (0.026 R)
• M65: 35,398,147 km (0.039 R)
• M66: 36,933,919 km (0.075 R)
• M67: 37,780,793 km (0.103 R)
• M68: 39,062,996 km (0.098 R)
• M69: 39,565,495 km (0.12 R)
• M70: 40,214,750 km (0.038 R)
• M71: 40,287,155 km (0.091 R)
• M72: 40,431,966 km (0.053 R)
• M73: 43,290,781 km (0.094 R)
• M74: 44,258,081 km (0.115 R)
• M75: 44,482,328 km (0.081 R)
• M76: 45,458,455 km (0.101 R)
• M77: 45,760,193 km (0.058 R)
• M78: 45,986,834 km (0.082 R)
• M79: 46,593,454 km (0.07 R)
• M80: 46,745,445 km (0.101 R)
• M81: 47,814,322 km (0.119 R)
• M82: 47,967,660 km (0.109 R)
• M83: 48,198,040 km (0.075 R)
• M84: 48,891,277 km (0.067 R)
• M85: 49,045,812 km (0.098 R)
• M86: 50,131,892 km (0.115 R)
• M87: 50,287,623 km (0.059 R)
• M88: 50,834,254 km (0.105 R)
• M89: 52,723,077 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.8

Radius: 3.7

Gravity: 19.56 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 9.97 AU - 12.39 AU

Year: 23768 Days

Day: 21.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 62,421,966 km

• M1: 263,591 km (0.113 R)
• M2: 292,613 km (0.081 R)
• M3: 322,683 km (0.119 R)
• M4: 472,131 km (0.111 R)
• M5: 661,372 km (0.091 R)
• M6: 1,055,862 km (0.117 R)
• M7: 1,431,053 km (0.095 R)
• M8: 1,786,647 km (0.05 R)
• M9: 1,959,583 km (0.064 R)
• M10: 2,107,984 km (0.12 R)
• M11: 2,259,825 km (0.064 R)
• M12: 3,071,543 km (0.117 R)
• M13: 5,211,990 km (0.104 R)
• M14: 5,334,810 km (0.027 R)
• M15: 5,751,141 km (0.06 R)
• M16: 6,926,381 km (0.107 R)
• M17: 7,656,569 km (0.109 R)
• M18: 10,656,305 km (0.09 R)
• M19: 11,602,960 km (0.114 R)
• M20: 11,924,446 km (0.102 R)
• M21: 12,194,620 km (0.114 R)
• M22: 12,303,228 km (0.103 R)
• M23: 12,466,739 km (0.085 R)
• M24: 12,576,244 km (0.093 R)
• M25: 12,686,049 km (0.089 R)
• M26: 13,351,161 km (0.1 R)
• M27: 14,427,368 km (0.088 R)
• M28: 14,830,834 km (0.059 R)
• M29: 15,531,101 km (0.075 R)
• M30: 16,481,347 km (0.099 R)
• M31: 17,084,825 km (0.071 R)
• M32: 19,064,005 km (0.116 R)
• M33: 20,659,915 km (0.115 R)
• M34: 21,244,842 km (0.111 R)
• M35: 21,440,965 km (0.093 R)
• M36: 22,364,433 km (0.09 R)
• M37: 22,430,854 km (0.081 R)
• M38: 24,045,464 km (0.079 R)
• M39: 24,386,547 km (0.11 R)
• M40: 24,523,429 km (0.06 R)
• M41: 27,242,819 km (0.119 R)
• M42: 27,598,414 km (0.116 R)
• M43: 28,529,960 km (0.037 R)
• M44: 29,108,305 km (0.112 R)
• M45: 29,471,678 km (0.106 R)
• M46: 32,884,903 km (0.088 R)
• M47: 35,564,351 km (0.088 R)
• M48: 36,420,798 km (0.085 R)
• M49: 36,499,038 km (0.062 R)
• M50: 36,577,278 km (0.117 R)
• M51: 37,520,642 km (0.08 R)
• M52: 38,471,935 km (0.056 R)
• M53: 39,270,937 km (0.119 R)
• M54: 39,511,640 km (0.04 R)
• M55: 41,373,386 km (0.107 R)
• M56: 41,536,597 km (0.033 R)
• M57: 45,013,700 km (0.111 R)
• M58: 46,193,429 km (0.112 R)
• M59: 46,278,101 km (0.114 R)
• M60: 46,362,774 km (0.057 R)
• M61: 47,212,639 km (0.079 R)
• M62: 48,841,461 km (0.106 R)
• M63: 49,966,437 km (0.073 R)
• M64: 50,925,060 km (0.104 R)
• M65: 53,214,805 km (0.039 R)
• M66: 54,193,624 km (0.116 R)
• M67: 55,088,668 km (0.07 R)
• M68: 56,259,421 km (0.104 R)
• M69: 56,893,267 km (0.103 R)
• M70: 57,074,729 km (0.117 R)
• M71: 58,076,586 km (0.026 R)
• M72: 59,544,141 km (0.04 R)
• M73: 61,581,814 km (0.075 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: 193 - 13,108 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit