🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.51 AU - 0.63 AU

Year: 278 Days

Day: 36.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.63 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.4

Radius: 11.6

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.15 AU - 3.23 AU

Year: 2849 Days

Day: 13.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,445,554 km

• M1: 144,811 km (0.092 R)
• M2: 666,159 km (0.096 R)
• M3: 1,195,736 km (0.1 R)
• M4: 1,826,291 km (0.116 R)
• M5: 2,455,799 km (0.075 R)
• M6: 2,822,313 km (0.11 R)
• M7: 4,984,302 km (0.117 R)
• M8: 7,092,585 km (0.068 R)
• M9: 10,809,942 km (0.062 R)
• M10: 13,268,434 km (0.112 R)
• M11: 14,627,979 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.4

Radius: 10.3

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.21 AU - 3.27 AU

Year: 2928 Days

Day: 7.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,445,554 km

• M1: 128,654 km (0.116 R)
• M2: 558,598 km (0.113 R)
• M3: 888,761 km (0.097 R)
• M4: 1,243,158 km (0.032 R)
• M5: 1,822,252 km (0.089 R)
• M6: 2,421,840 km (0.075 R)
• M7: 3,132,430 km (0.091 R)
• M8: 3,625,654 km (0.097 R)
• M9: 4,329,512 km (0.118 R)
• M10: 4,661,021 km (0.117 R)
• M11: 5,009,584 km (0.097 R)
• M12: 5,637,446 km (0.057 R)
• M13: 6,059,163 km (0.112 R)
• M14: 7,659,112 km (0.047 R)
• M15: 9,592,664 km (0.099 R)
• M16: 10,413,657 km (0.112 R)
• M17: 12,113,987 km (0.087 R)
• M18: 12,442,055 km (0.075 R)
• M19: 13,288,031 km (0.086 R)
• M20: 13,769,437 km (0.089 R)
• M21: 15,570,745 km (0.101 R)
• M22: 16,204,591 km (0.107 R)
• M23: 17,368,163 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.6

Radius: 12.9

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.18 AU - 4.08 AU

Year: 4466 Days

Day: 11.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,445,554 km

• M1: 160,369 km (0.062 R)
• M2: 592,258 km (0.111 R)
• M3: 1,212,640 km (0.112 R)
• M4: 1,647,821 km (0.111 R)
• M5: 2,421,840 km (0.041 R)
• M6: 2,866,146 km (0.074 R)
• M7: 3,551,154 km (0.119 R)
• M8: 6,957,199 km (0.098 R)
• M9: 7,507,120 km (0.037 R)
• M10: 7,938,411 km (0.084 R)
• M11: 10,393,761 km (0.069 R)
• M12: 12,108,900 km (0.093 R)
• M13: 15,567,454 km (0.085 R)
• M14: 16,152,381 km (0.113 R)
• M15: 17,242,501 km (0.105 R)
• M16: 17,679,327 km (0.108 R)
• M17: 18,251,987 km (0.062 R)
• M18: 18,771,391 km (0.091 R)
• M19: 20,181,650 km (0.047 R)
• M20: 28,051,246 km (0.081 R)
• M21: 29,270,170 km (0.027 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.5

Radius: 6.9

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.87 AU - 8.07 AU

Year: 11881 Days

Day: 17.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,445,554 km

• M1: 114,442 km (0.082 R)
• M2: 460,462 km (0.074 R)
• M3: 1,013,825 km (0.106 R)
• M4: 1,851,423 km (0.119 R)
• M5: 7,754,406 km (0.113 R)
• M6: 9,296,460 km (0.086 R)
• M7: 10,460,482 km (0.073 R)
• M8: 12,048,164 km (0.115 R)
• M9: 12,432,481 km (0.105 R)
• M10: 13,842,141 km (0.099 R)
• M11: 16,209,827 km (0.09 R)
• M12: 23,246,163 km (0.058 R)
• M13: 23,992,357 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.1

Radius: 4.8

Gravity: 13.63 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 6.71 AU - 9.47 AU

Year: 14857 Days

Day: 19.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,445,554 km

• M1: 115,340 km (0.117 R)
• M2: 421,567 km (0.057 R)
• M3: 691,441 km (0.105 R)
• M4: 1,802,804 km (0.081 R)
• M5: 2,676,456 km (0.113 R)
• M6: 2,867,342 km (0.033 R)
• M7: 3,372,534 km (0.039 R)
• M8: 3,595,435 km (0.11 R)
• M9: 3,828,210 km (0.098 R)
• M10: 6,818,222 km (0.109 R)
• M11: 7,135,070 km (0.112 R)
• M12: 9,245,448 km (0.076 R)
• M13: 11,186,031 km (0.118 R)
• M14: 20,095,482 km (0.073 R)
• M15: 22,347,528 km (0.058 R)
• M16: 27,842,856 km (0.095 R)
• M17: 28,043,318 km (0.086 R)
• M18: 28,244,976 km (0.091 R)
• M19: 28,855,484 km (0.086 R)
• M20: 30,314,064 km (0.108 R)
• M21: 33,152,085 km (0.119 R)
• M22: 35,924,433 km (0.115 R)
• M23: 36,401,051 km (0.064 R)
• M24: 39,983,172 km (0.062 R)
• M25: 41,531,810 km (0.108 R)
• M26: 45,856,086 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.8

Radius: 7.8

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.57 AU - 10.77 AU

Year: 16483 Days

Day: 16.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 40,445,554 km

• M1: 97,089 km (0.12 R)
• M2: 358,287 km (0.099 R)
• M3: 877,691 km (0.109 R)
• M4: 1,162,375 km (0.069 R)
• M5: 1,749,098 km (0.078 R)
• M6: 2,697,549 km (0.106 R)
• M7: 3,416,666 km (0.119 R)
• M8: 3,806,817 km (0.103 R)
• M9: 4,073,251 km (0.079 R)
• M10: 4,320,387 km (0.03 R)
• M11: 4,643,368 km (0.094 R)
• M12: 5,942,327 km (0.111 R)
• M13: 6,633,319 km (0.115 R)
• M14: 7,152,573 km (0.03 R)
• M15: 13,245,994 km (0.106 R)
• M16: 14,139,093 km (0.103 R)
• M17: 15,665,739 km (0.029 R)
• M18: 16,664,156 km (0.07 R)
• M19: 17,785,990 km (0.081 R)
• M20: 23,959,595 km (0.103 R)
• M21: 24,260,735 km (0.082 R)
• M22: 27,413,361 km (0.116 R)
• M23: 28,860,571 km (0.062 R)
• M24: 31,906,533 km (0.058 R)
• M25: 35,549,241 km (0.092 R)
• M26: 45,772,460 km (0.118 R)
• M27: 50,061,880 km (0.1 R)
• M28: 51,549,182 km (0.092 R)
• M29: 56,187,464 km (0.07 R)
• M30: 57,254,695 km (0.101 R)
• M31: 59,613,255 km (0.1 R)
• M32: 60,351,820 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.7

Radius: 6

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 10.07 AU - 12.39 AU

Year: 24299 Days

Day: 21 Hours

Environment

Temp: -233 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,445,554 km

• M1: 80,633 km (0.038 R)
• M2: 322,084 km (0.118 R)
• M3: 565,779 km (0.079 R)
• M4: 775,964 km (0.114 R)
• M5: 1,197,681 km (0.035 R)
• M6: 1,397,543 km (0.07 R)
• M7: 1,732,343 km (0.104 R)
• M8: 2,186,522 km (0.098 R)
• M9: 2,487,813 km (0.082 R)
• M10: 3,443,743 km (0.084 R)
• M11: 4,319,788 km (0.103 R)
• M12: 7,164,392 km (0.086 R)
• M13: 7,669,733 km (0.056 R)
• M14: 10,025,750 km (0.096 R)
• M15: 11,110,335 km (0.085 R)
• M16: 13,164,613 km (0.059 R)
• M17: 14,769,349 km (0.112 R)
• M18: 15,332,136 km (0.053 R)
• M19: 26,112,757 km (0.084 R)
• M20: 28,248,117 km (0.078 R)
• M21: 31,001,167 km (0.058 R)
• M22: 31,613,620 km (0.058 R)
• M23: 34,469,444 km (0.063 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 17,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit