🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.4

Radius: 9.2

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.95 AU - 1.29 AU

Year: 833 Days

Day: 5.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,924,019 km

• M1: 114,442 km (0.089 R)
• M2: 440,416 km (0.099 R)
• M3: 824,883 km (0.076 R)
• M4: 1,175,839 km (0.099 R)
• M5: 1,477,129 km (0.108 R)
• M6: 1,813,126 km (0.118 R)
• M7: 2,160,044 km (0.112 R)
• M8: 2,866,146 km (0.115 R)
• M9: 3,546,816 km (0.094 R)
• M10: 4,125,311 km (0.112 R)
• M11: 4,834,405 km (0.038 R)
• M12: 5,977,183 km (0.105 R)
• M13: 6,973,505 km (0.051 R)
• M14: 7,290,652 km (0.044 R)
• M15: 8,503,293 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913

Radius: 12

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.74 AU - 2.76 AU

Year: 2372 Days

Day: 12.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,924,019 km

• M1: 150,047 km (0.088 R)
• M2: 535,411 km (0.077 R)
• M3: 1,267,842 km (0.107 R)
• M4: 3,036,238 km (0.105 R)
• M5: 4,187,095 km (0.079 R)
• M6: 4,885,418 km (0.088 R)
• M7: 5,891,912 km (0.117 R)
• M8: 7,300,825 km (0.054 R)
• M9: 7,764,429 km (0.102 R)
• M10: 8,413,085 km (0.091 R)
• M11: 8,853,950 km (0.072 R)
• M12: 9,274,470 km (0.061 R)
• M13: 9,855,957 km (0.096 R)
• M14: 11,831,396 km (0.088 R)
• M15: 14,438,738 km (0.11 R)
• M16: 15,470,813 km (0.099 R)
• M17: 15,927,835 km (0.062 R)
• M18: 16,709,633 km (0.101 R)
• M19: 17,137,034 km (0.114 R)
• M20: 17,516,863 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.8

Radius: 11.1

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.89 AU - 2.69 AU

Year: 2436 Days

Day: 11.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,924,019 km

• M1: 138,079 km (0.096 R)
• M2: 551,268 km (0.114 R)
• M3: 1,383,332 km (0.08 R)
• M4: 1,906,774 km (0.066 R)
• M5: 2,281,816 km (0.103 R)
• M6: 2,661,945 km (0.047 R)
• M7: 3,587,955 km (0.114 R)
• M8: 3,966,737 km (0.092 R)
• M9: 4,563,633 km (0.077 R)
• M10: 5,533,775 km (0.085 R)
• M11: 6,776,484 km (0.081 R)
• M12: 8,229,080 km (0.087 R)
• M13: 9,132,202 km (0.068 R)
• M14: 9,842,942 km (0.101 R)
• M15: 10,437,743 km (0.072 R)
• M16: 11,374,674 km (0.078 R)
• M17: 14,381,292 km (0.075 R)
• M18: 16,041,978 km (0.086 R)
• M19: 16,605,663 km (0.104 R)
• M20: 17,023,789 km (0.086 R)
• M21: 17,610,362 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.5

Radius: 12.7

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.32 AU - 3.84 AU

Year: 3800 Days

Day: 14 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,924,019 km

• M1: 159,471 km (0.073 R)
• M2: 577,448 km (0.036 R)
• M3: 1,038,957 km (0.093 R)
• M4: 1,636,152 km (0.11 R)
• M5: 2,409,872 km (0.081 R)
• M6: 3,318,530 km (0.056 R)
• M7: 3,842,122 km (0.106 R)
• M8: 4,879,434 km (0.067 R)
• M9: 5,641,635 km (0.08 R)
• M10: 6,095,216 km (0.039 R)
• M11: 6,696,599 km (0.052 R)
• M12: 7,878,721 km (0.06 R)
• M13: 15,183,436 km (0.086 R)
• M14: 15,730,515 km (0.103 R)
• M15: 16,575,594 km (0.081 R)
• M16: 18,727,559 km (0.055 R)
• M17: 19,356,917 km (0.107 R)
• M18: 20,459,304 km (0.068 R)
• M19: 21,809,275 km (0.054 R)
• M20: 23,944,486 km (0.069 R)
• M21: 25,673,388 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.6

Radius: 8.6

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.44 AU - 3.9 AU

Year: 3967 Days

Day: 7.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,924,019 km

• M1: 106,962 km (0.103 R)
• M2: 1,380,788 km (0.102 R)
• M3: 1,730,698 km (0.089 R)
• M4: 2,414,958 km (0.036 R)
• M5: 2,731,657 km (0.105 R)
• M6: 4,454,725 km (0.09 R)
• M7: 8,984,699 km (0.091 R)
• M8: 11,226,572 km (0.102 R)
• M9: 11,641,108 km (0.094 R)
• M10: 16,309,309 km (0.088 R)
• M11: 17,940,525 km (0.116 R)
• M12: 20,213,215 km (0.114 R)
• M13: 24,237,847 km (0.108 R)
• M14: 25,875,495 km (0.102 R)
• M15: 26,680,780 km (0.085 R)
• M16: 27,254,338 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 313

Radius: 4.2

Gravity: 17.74 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.61 AU - 7.53 AU

Year: 13214 Days

Day: 22 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,924,019 km

• M1: 59,241 km (0.071 R)
• M2: 386,561 km (0.091 R)
• M3: 585,526 km (0.056 R)
• M4: 1,387,969 km (0.102 R)
• M5: 2,229,307 km (0.096 R)
• M6: 2,469,711 km (0.06 R)
• M7: 3,938,912 km (0.08 R)
• M8: 4,691,988 km (0.114 R)
• M9: 5,372,957 km (0.115 R)
• M10: 6,404,584 km (0.094 R)
• M11: 6,663,089 km (0.109 R)
• M12: 8,319,138 km (0.08 R)
• M13: 11,475,802 km (0.116 R)
• M14: 12,246,979 km (0.098 R)
• M15: 12,645,209 km (0.049 R)
• M16: 13,527,537 km (0.104 R)
• M17: 14,513,237 km (0.057 R)
• M18: 16,626,307 km (0.066 R)
• M19: 17,044,134 km (0.041 R)
• M20: 18,561,655 km (0.091 R)
• M21: 21,532,519 km (0.113 R)
• M22: 23,738,340 km (0.117 R)
• M23: 25,168,196 km (0.083 R)
• M24: 25,350,855 km (0.041 R)
• M25: 30,519,761 km (0.088 R)
• M26: 31,674,058 km (0.095 R)
• M27: 32,208,122 km (0.116 R)
• M28: 38,728,346 km (0.076 R)
• M29: 44,324,204 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.6

Radius: 6.5

Gravity: 17.72 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.27 AU - 9.15 AU

Year: 16536 Days

Day: 23.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 107.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,924,019 km

• M1: 80,932 km (0.105 R)
• M2: 291,117 km (0.075 R)
• M3: 539,001 km (0.089 R)
• M4: 747,241 km (0.116 R)
• M5: 1,578,407 km (0.057 R)
• M6: 1,815,370 km (0.11 R)
• M7: 2,037,373 km (0.111 R)
• M8: 2,536,581 km (0.07 R)
• M9: 2,887,987 km (0.06 R)
• M10: 3,244,927 km (0.111 R)
• M11: 4,171,387 km (0.092 R)
• M12: 4,461,158 km (0.029 R)
• M13: 5,081,241 km (0.117 R)
• M14: 9,228,393 km (0.075 R)
• M15: 9,610,167 km (0.102 R)
• M16: 10,002,562 km (0.098 R)
• M17: 11,121,405 km (0.03 R)
• M18: 11,742,685 km (0.103 R)
• M19: 15,656,464 km (0.056 R)
• M20: 16,436,318 km (0.105 R)
• M21: 17,571,467 km (0.08 R)
• M22: 20,914,231 km (0.063 R)
• M23: 25,393,191 km (0.095 R)
• M24: 25,819,844 km (0.1 R)
• M25: 28,366,000 km (0.08 R)
• M26: 32,180,297 km (0.056 R)
• M27: 33,439,014 km (0.092 R)
• M28: 41,245,928 km (0.081 R)
• M29: 48,695,005 km (0.076 R)
• M30: 51,534,372 km (0.041 R)
• M31: 55,727,900 km (0.042 R)
• M32: 56,629,227 km (0.045 R)
• M33: 58,832,205 km (0.11 R)
• M34: 59,204,853 km (0.047 R)
• M35: 62,049,906 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.6

Radius: 7.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.42 AU - 10.72 AU

Year: 19201 Days

Day: 22.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,924,019 km

• M1: 96,939 km (0.054 R)
• M2: 373,546 km (0.09 R)
• M3: 928,404 km (0.105 R)
• M4: 1,871,021 km (0.105 R)
• M5: 2,162,288 km (0.092 R)
• M6: 2,584,453 km (0.079 R)
• M7: 3,344,111 km (0.106 R)
• M8: 3,802,479 km (0.073 R)
• M9: 4,813,311 km (0.078 R)
• M10: 5,264,199 km (0.114 R)
• M11: 5,920,934 km (0.091 R)
• M12: 6,363,145 km (0.098 R)
• M13: 9,492,882 km (0.097 R)
• M14: 11,443,938 km (0.102 R)
• M15: 13,901,981 km (0.115 R)
• M16: 20,823,276 km (0.091 R)
• M17: 22,722,121 km (0.108 R)
• M18: 22,989,602 km (0.12 R)
• M19: 26,268,788 km (0.119 R)
• M20: 26,960,079 km (0.066 R)
• M21: 28,275,942 km (0.099 R)
• M22: 28,585,610 km (0.064 R)
• M23: 30,275,467 km (0.089 R)
• M24: 31,035,425 km (0.059 R)
• M25: 33,047,666 km (0.084 R)
• M26: 36,959,800 km (0.071 R)
• M27: 43,596,111 km (0.025 R)
• M28: 44,009,599 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.1

Radius: 3.4

Gravity: 12.98 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 9.87 AU - 10.01 AU

Year: 22029 Days

Day: 15.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,924,019 km

• M1: 42,336 km (0.089 R)
• M2: 242,498 km (0.039 R)
• M3: 1,025,942 km (0.061 R)
• M4: 1,138,440 km (0.028 R)
• M5: 1,429,258 km (0.081 R)
• M6: 1,659,040 km (0.068 R)
• M7: 1,814,921 km (0.089 R)
• M8: 2,066,994 km (0.088 R)
• M9: 2,438,894 km (0.096 R)
• M10: 3,170,727 km (0.074 R)
• M11: 3,847,956 km (0.09 R)
• M12: 3,983,193 km (0.025 R)
• M13: 4,437,522 km (0.105 R)
• M14: 4,586,372 km (0.106 R)
• M15: 4,893,945 km (0.033 R)
• M16: 5,215,131 km (0.113 R)
• M17: 5,653,453 km (0.07 R)
• M18: 5,863,937 km (0.096 R)
• M19: 8,626,711 km (0.108 R)
• M20: 8,858,737 km (0.102 R)
• M21: 9,878,695 km (0.054 R)
• M22: 11,692,121 km (0.109 R)
• M23: 11,976,357 km (0.12 R)
• M24: 14,942,434 km (0.032 R)
• M25: 15,616,522 km (0.115 R)
• M26: 20,746,831 km (0.095 R)
• M27: 27,191,807 km (0.12 R)
• M28: 30,701,971 km (0.111 R)
• M29: 35,558,367 km (0.057 R)
• M30: 35,915,158 km (0.069 R)
• M31: 36,635,771 km (0.109 R)
• M32: 37,365,958 km (0.091 R)
• M33: 41,163,201 km (0.085 R)
• M34: 41,820,085 km (0.091 R)
• M35: 47,185,263 km (0.104 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 15,738 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit