🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.1

Radius: 10

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.06 AU - 1.22 AU

Year: 774 Days

Day: 13.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,558,942 km

• M1: 124,316 km (0.114 R)
• M2: 475,572 km (0.114 R)
• M3: 842,685 km (0.086 R)
• M4: 1,202,318 km (0.078 R)
• M5: 1,665,623 km (0.079 R)
• M6: 2,018,823 km (0.105 R)
• M7: 2,356,017 km (0.042 R)
• M8: 3,032,947 km (0.094 R)
• M9: 3,565,216 km (0.077 R)
• M10: 4,370,801 km (0.093 R)
• M11: 4,710,089 km (0.068 R)
• M12: 5,994,835 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.7

Radius: 9.4

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.04 AU - 1.4 AU

Year: 857 Days

Day: 6.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,558,942 km

• M1: 117,584 km (0.106 R)
• M2: 481,406 km (0.061 R)
• M3: 1,337,854 km (0.058 R)
• M4: 1,667,418 km (0.11 R)
• M5: 3,452,719 km (0.101 R)
• M6: 3,758,497 km (0.119 R)
• M7: 4,068,912 km (0.066 R)
• M8: 4,683,012 km (0.109 R)
• M9: 5,552,624 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.9

Radius: 9.8

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.37 AU - 3.53 AU

Year: 3222 Days

Day: 10.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,558,942 km

• M1: 135,386 km (0.05 R)
• M2: 564,134 km (0.096 R)
• M3: 1,237,773 km (0.113 R)
• M4: 1,805,347 km (0.096 R)
• M5: 2,169,319 km (0.101 R)
• M6: 2,886,192 km (0.098 R)
• M7: 5,153,347 km (0.11 R)
• M8: 5,465,708 km (0.072 R)
• M9: 5,790,784 km (0.05 R)
• M10: 8,809,519 km (0.097 R)
• M11: 9,118,140 km (0.089 R)
• M12: 10,732,450 km (0.073 R)
• M13: 12,273,009 km (0.118 R)
• M14: 12,745,290 km (0.078 R)
• M15: 17,665,564 km (0.03 R)
• M16: 19,225,720 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.1

Radius: 14.5

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.77 AU - 3.81 AU

Year: 4691 Days

Day: 14.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,558,942 km

• M1: 183,257 km (0.1 R)
• M2: 945,907 km (0.087 R)
• M3: 2,862,854 km (0.027 R)
• M4: 3,645,102 km (0.031 R)
• M5: 5,557,561 km (0.086 R)
• M6: 6,247,357 km (0.115 R)
• M7: 6,839,914 km (0.098 R)
• M8: 7,699,204 km (0.12 R)
• M9: 9,556,462 km (0.072 R)
• M10: 10,184,025 km (0.042 R)
• M11: 10,713,900 km (0.12 R)
• M12: 13,020,999 km (0.063 R)
• M13: 13,500,011 km (0.107 R)
• M14: 18,418,340 km (0.114 R)
• M15: 19,268,355 km (0.111 R)
• M16: 20,916,176 km (0.025 R)
• M17: 22,111,014 km (0.072 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.2

Radius: 7.6

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.43 AU - 8.49 AU

Year: 15645 Days

Day: 20.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,558,942 km

• M1: 101,876 km (0.102 R)
• M2: 788,082 km (0.082 R)
• M3: 1,043,445 km (0.093 R)
• M4: 1,681,480 km (0.1 R)
• M5: 2,150,021 km (0.052 R)
• M6: 3,012,452 km (0.064 R)
• M7: 3,522,132 km (0.116 R)
• M8: 6,002,615 km (0.11 R)
• M9: 6,416,402 km (0.111 R)
• M10: 6,689,568 km (0.12 R)
• M11: 7,642,207 km (0.118 R)
• M12: 7,904,901 km (0.068 R)
• M13: 10,020,365 km (0.04 R)
• M14: 10,549,193 km (0.069 R)
• M15: 10,985,570 km (0.098 R)
• M16: 14,988,659 km (0.031 R)
• M17: 15,750,561 km (0.115 R)
• M18: 16,105,408 km (0.089 R)
• M19: 16,757,355 km (0.081 R)
• M20: 23,622,551 km (0.094 R)
• M21: 24,087,501 km (0.108 R)
• M22: 26,107,372 km (0.102 R)
• M23: 28,446,185 km (0.099 R)
• M24: 30,480,716 km (0.118 R)
• M25: 30,921,132 km (0.036 R)
• M26: 36,171,868 km (0.098 R)
• M27: 42,395,737 km (0.044 R)
• M28: 43,916,250 km (0.062 R)
• M29: 47,801,905 km (0.091 R)
• M30: 51,132,702 km (0.113 R)
• M31: 52,854,723 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 31.6

Radius: 7.7

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.75 AU - 9.21 AU

Year: 15701 Days

Day: 21.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,558,942 km

• M1: 172,337 km (0.111 R)
• M2: 566,378 km (0.088 R)
• M3: 7,020,478 km (0.054 R)
• M4: 19,613,029 km (0.114 R)
• M5: 20,239,096 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.9

Radius: 6.1

Gravity: 26.63 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 7.33 AU - 10.01 AU

Year: 16232 Days

Day: 21.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,558,942 km

• M1: 152,889 km (0.103 R)
• M2: 411,843 km (0.107 R)
• M3: 798,703 km (0.092 R)
• M4: 1,022,053 km (0.09 R)
• M5: 1,258,567 km (0.078 R)
• M6: 1,900,043 km (0.052 R)
• M7: 2,135,958 km (0.06 R)
• M8: 2,667,330 km (0.085 R)
• M9: 3,565,516 km (0.119 R)
• M10: 5,383,279 km (0.08 R)
• M11: 5,736,929 km (0.117 R)
• M12: 6,711,559 km (0.086 R)
• M13: 8,768,230 km (0.112 R)
• M14: 9,202,812 km (0.101 R)
• M15: 9,651,606 km (0.083 R)
• M16: 12,588,062 km (0.086 R)
• M17: 13,071,114 km (0.044 R)
• M18: 13,927,711 km (0.075 R)
• M19: 14,669,567 km (0.071 R)
• M20: 15,673,070 km (0.094 R)
• M21: 18,336,660 km (0.091 R)
• M22: 20,711,825 km (0.117 R)
• M23: 22,071,969 km (0.115 R)
• M24: 26,508,443 km (0.112 R)
• M25: 32,138,111 km (0.084 R)
• M26: 36,953,367 km (0.033 R)
• M27: 55,516,368 km (0.104 R)
• M28: 60,044,995 km (0.094 R)
• M29: 61,804,864 km (0.038 R)
• M30: 64,002,158 km (0.042 R)
• M31: 67,290,319 km (0.071 R)
• M32: 69,401,594 km (0.114 R)
• M33: 69,615,220 km (0.098 R)
• M34: 70,473,612 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.3

Radius: 3.4

Gravity: 83.68 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.76 AU - 10.36 AU

Year: 17339 Days

Day: 19.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,558,942 km

• M1: 44,879 km (0.109 R)
• M2: 163,361 km (0.11 R)
• M3: 450,888 km (0.114 R)
• M4: 1,128,118 km (0.115 R)
• M5: 2,632,175 km (0.098 R)
• M6: 6,252,892 km (0.075 R)
• M7: 7,791,506 km (0.117 R)
• M8: 8,096,087 km (0.12 R)
• M9: 9,337,151 km (0.113 R)
• M10: 12,257,002 km (0.1 R)
• M11: 14,483,767 km (0.103 R)
• M12: 15,973,911 km (0.082 R)
• M13: 21,149,399 km (0.096 R)
• M14: 23,164,781 km (0.07 R)
• M15: 23,582,608 km (0.104 R)
• M16: 26,535,521 km (0.098 R)
• M17: 34,907,317 km (0.12 R)
• M18: 35,871,924 km (0.061 R)
• M19: 37,998,458 km (0.042 R)
• M20: 47,513,181 km (0.114 R)
• M21: 60,446,516 km (0.092 R)
• M22: 76,456,330 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.3

Radius: 3.7

Gravity: 31.29 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.84 AU - 11.16 AU

Year: 21633 Days

Day: 18.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,558,942 km

• M1: 311,164 km (0.119 R)
• M2: 912,697 km (0.087 R)
• M3: 1,615,358 km (0.112 R)
• M4: 2,207,915 km (0.095 R)
• M5: 4,733,576 km (0.096 R)
• M6: 7,250,410 km (0.084 R)
• M7: 9,847,130 km (0.025 R)
• M8: 11,444,836 km (0.061 R)
• M9: 17,014,813 km (0.09 R)
• M10: 19,387,286 km (0.026 R)
• M11: 20,013,054 km (0.115 R)
• M12: 22,067,332 km (0.074 R)
• M13: 22,358,000 km (0.12 R)
• M14: 25,724,999 km (0.056 R)
• M15: 31,691,411 km (0.085 R)
• M16: 32,684,143 km (0.106 R)
• M17: 36,998,695 km (0.11 R)
• M18: 44,081,705 km (0.04 R)
• M19: 50,660,870 km (0.078 R)
• M20: 58,601,974 km (0.074 R)
• M21: 61,422,791 km (0.087 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: 418 - 14,318 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit