🌌 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 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.2

Radius: 9.2

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.5 AU - 0.68 AU

Year: 313 Days

Day: 5.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,957,853 km

• M1: 114,442 km (0.119 R)
• M2: 413,788 km (0.119 R)
• M3: 892,052 km (0.081 R)
• M4: 1,208,003 km (0.048 R)
• M5: 1,524,701 km (0.046 R)
• M6: 1,962,724 km (0.094 R)
• M7: 2,272,691 km (0.113 R)
• M8: 2,706,674 km (0.075 R)
• M9: 3,133,627 km (0.035 R)
• M10: 3,684,296 km (0.112 R)
• M11: 4,185,150 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.7

Radius: 11.9

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.58 AU - 0.62 AU

Year: 321 Days

Day: 10.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,957,853 km

• M1: 147,952 km (0.097 R)
• M2: 620,682 km (0.072 R)
• M3: 1,173,894 km (0.045 R)
• M4: 1,614,460 km (0.09 R)
• M5: 2,069,836 km (0.029 R)
• M6: 2,601,507 km (0.085 R)
• M7: 3,558,335 km (0.057 R)
• M8: 3,954,171 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604

Radius: 14

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.6 AU - 0.9 AU

Year: 448 Days

Day: 11.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,957,853 km

• M1: 174,282 km (0.073 R)
• M2: 643,720 km (0.052 R)
• M3: 1,146,368 km (0.074 R)
• M4: 1,762,562 km (0.069 R)
• M5: 2,538,377 km (0.048 R)
• M6: 3,322,120 km (0.109 R)
• M7: 4,008,475 km (0.106 R)
• M8: 4,670,745 km (0.072 R)
• M9: 5,766,998 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.9

Radius: 12.6

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.94 AU - 1.56 AU

Year: 965 Days

Day: 10 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,957,853 km

• M1: 156,629 km (0.091 R)
• M2: 560,244 km (0.084 R)
• M3: 1,060,799 km (0.107 R)
• M4: 1,622,539 km (0.1 R)
• M5: 2,618,112 km (0.11 R)
• M6: 3,927,991 km (0.116 R)
• M7: 4,434,829 km (0.072 R)
• M8: 5,190,149 km (0.057 R)
• M9: 5,746,353 km (0.113 R)
• M10: 6,706,622 km (0.099 R)
• M11: 7,634,727 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693

Radius: 12.6

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.31 AU - 1.77 AU

Year: 1319 Days

Day: 10.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,957,853 km

• M1: 156,779 km (0.089 R)
• M2: 775,366 km (0.087 R)
• M3: 1,526,945 km (0.061 R)
• M4: 2,272,990 km (0.09 R)
• M5: 2,711,312 km (0.112 R)
• M6: 3,460,648 km (0.107 R)
• M7: 4,131,594 km (0.12 R)
• M8: 4,563,483 km (0.112 R)
• M9: 5,005,844 km (0.088 R)
• M10: 5,821,751 km (0.081 R)
• M11: 8,691,187 km (0.105 R)
• M12: 9,343,733 km (0.095 R)
• M13: 10,092,471 km (0.114 R)
• M14: 12,176,219 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.8

Radius: 14

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.22 AU - 2 AU

Year: 1410 Days

Day: 5.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,957,853 km

• M1: 174,132 km (0.044 R)
• M2: 693,985 km (0.091 R)
• M3: 1,278,015 km (0.068 R)
• M4: 1,770,341 km (0.073 R)
• M5: 2,223,024 km (0.085 R)
• M6: 2,713,406 km (0.086 R)
• M7: 3,215,157 km (0.09 R)
• M8: 3,762,087 km (0.063 R)
• M9: 4,839,641 km (0.093 R)
• M10: 5,407,215 km (0.036 R)
• M11: 6,137,552 km (0.118 R)
• M12: 6,855,322 km (0.06 R)
• M13: 7,355,578 km (0.118 R)
• M14: 8,668,748 km (0.107 R)
• M15: 9,703,367 km (0.104 R)
• M16: 10,889,079 km (0.079 R)
• M17: 11,868,048 km (0.119 R)
• M18: 14,126,976 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.9

Radius: 14.9

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.5 AU - 3.06 AU

Year: 3199 Days

Day: 13.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,957,853 km

• M1: 193,131 km (0.086 R)
• M2: 814,560 km (0.07 R)
• M3: 1,386,922 km (0.117 R)
• M4: 2,322,357 km (0.105 R)
• M5: 3,432,972 km (0.097 R)
• M6: 4,354,046 km (0.07 R)
• M7: 5,338,400 km (0.086 R)
• M8: 6,223,571 km (0.072 R)
• M9: 7,779,388 km (0.1 R)
• M10: 10,581,207 km (0.083 R)
• M11: 13,006,338 km (0.06 R)
• M12: 14,800,316 km (0.107 R)
• M13: 17,228,738 km (0.027 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.9

Radius: 4.3

Gravity: 24.28 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.46 AU - 8.08 AU

Year: 12159 Days

Day: 16.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,957,853 km

• M1: 53,855 km (0.119 R)
• M2: 216,618 km (0.033 R)
• M3: 373,396 km (0.085 R)
• M4: 668,254 km (0.05 R)
• M5: 996,322 km (0.111 R)
• M6: 1,307,186 km (0.078 R)
• M7: 1,464,862 km (0.114 R)
• M8: 1,694,794 km (0.117 R)
• M9: 1,834,668 km (0.101 R)
• M10: 2,084,796 km (0.071 R)
• M11: 2,414,510 km (0.103 R)
• M12: 5,260,160 km (0.109 R)
• M13: 6,082,799 km (0.12 R)
• M14: 6,987,567 km (0.057 R)
• M15: 7,638,467 km (0.116 R)
• M16: 8,284,580 km (0.097 R)
• M17: 9,586,980 km (0.083 R)
• M18: 9,932,700 km (0.061 R)
• M19: 10,966,422 km (0.079 R)
• M20: 15,752,656 km (0.055 R)
• M21: 15,957,754 km (0.063 R)
• M22: 18,182,275 km (0.102 R)
• M23: 18,483,565 km (0.109 R)
• M24: 20,768,523 km (0.065 R)
• M25: 21,766,640 km (0.082 R)
• M26: 23,234,793 km (0.112 R)
• M27: 24,128,641 km (0.102 R)
• M28: 26,270,882 km (0.1 R)
• M29: 28,334,585 km (0.088 R)
• M30: 31,143,285 km (0.101 R)
• M31: 38,530,727 km (0.113 R)
• M32: 38,778,760 km (0.114 R)
• M33: 41,058,632 km (0.096 R)
• M34: 42,362,975 km (0.042 R)
• M35: 42,759,709 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.4

Radius: 5.1

Gravity: 16.66 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.41 AU - 8.37 AU

Year: 13867 Days

Day: 18.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,957,853 km

• M1: 63,429 km (0.077 R)
• M2: 288,873 km (0.082 R)
• M3: 497,263 km (0.096 R)
• M4: 701,614 km (0.118 R)
• M5: 881,281 km (0.104 R)
• M6: 1,630,617 km (0.054 R)
• M7: 2,217,340 km (0.105 R)
• M8: 2,428,123 km (0.065 R)
• M9: 3,383,605 km (0.086 R)
• M10: 3,769,268 km (0.072 R)
• M11: 4,070,408 km (0.043 R)
• M12: 4,567,073 km (0.083 R)
• M13: 5,610,070 km (0.072 R)
• M14: 7,249,513 km (0.039 R)
• M15: 7,758,594 km (0.091 R)
• M16: 8,566,273 km (0.054 R)
• M17: 9,428,855 km (0.079 R)
• M18: 10,774,637 km (0.116 R)
• M19: 11,951,374 km (0.106 R)
• M20: 12,781,792 km (0.082 R)
• M21: 13,905,272 km (0.096 R)
• M22: 14,293,927 km (0.093 R)
• M23: 15,228,914 km (0.119 R)
• M24: 16,133,083 km (0.114 R)
• M25: 17,294,262 km (0.108 R)
• M26: 18,666,074 km (0.106 R)
• M27: 19,378,459 km (0.066 R)
• M28: 26,426,913 km (0.082 R)
• M29: 29,180,261 km (0.101 R)
• M30: 30,246,595 km (0.059 R)
• M31: 33,370,498 km (0.086 R)
• M32: 36,335,677 km (0.075 R)
• M33: 40,906,939 km (0.079 R)
• M34: 45,279,536 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.9

Radius: 7.3

Gravity: 12.01 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 8.6 AU - 10.16 AU

Year: 19830 Days

Day: 20.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 61.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,957,853 km

• M1: 92,451 km (0.113 R)
• M2: 325,375 km (0.039 R)
• M3: 745,895 km (0.101 R)
• M4: 1,344,586 km (0.101 R)
• M5: 1,712,297 km (0.086 R)
• M6: 3,451,672 km (0.104 R)
• M7: 4,112,146 km (0.073 R)
• M8: 6,087,586 km (0.118 R)
• M9: 6,957,498 km (0.064 R)
• M10: 7,957,410 km (0.112 R)
• M11: 9,774,426 km (0.1 R)
• M12: 11,275,640 km (0.075 R)
• M13: 12,048,313 km (0.091 R)
• M14: 12,787,028 km (0.094 R)
• M15: 13,202,461 km (0.072 R)
• M16: 15,416,360 km (0.059 R)
• M17: 17,610,362 km (0.102 R)
• M18: 18,385,728 km (0.093 R)
• M19: 19,273,591 km (0.114 R)
• M20: 19,819,923 km (0.061 R)
• M21: 20,189,878 km (0.108 R)
• M22: 23,937,155 km (0.092 R)
• M23: 28,356,576 km (0.104 R)
• M24: 29,063,126 km (0.115 R)
• M25: 31,253,389 km (0.035 R)
• M26: 33,813,607 km (0.117 R)
• M27: 44,185,526 km (0.084 R)
• M28: 49,237,446 km (0.05 R)
• M29: 58,553,055 km (0.038 R)
• M30: 60,083,142 km (0.063 R)
• M31: 62,427,790 km (0.109 R)
• M32: 63,823,388 km (0.044 R)
• M33: 65,036,029 km (0.047 R)
• M34: 67,507,236 km (0.041 R)
• M35: 71,546,977 km (0.087 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: 495 - 16,345 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit