🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.8

Radius: 11.7

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.69 AU - 0.81 AU

Year: 457 Days

Day: 7.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 88,957,298 km

• M1: 148,850 km (0.111 R)
• M2: 560,992 km (0.116 R)
• M3: 1,074,861 km (0.042 R)
• M4: 1,647,222 km (0.075 R)
• M5: 2,250,550 km (0.1 R)
• M6: 2,823,510 km (0.086 R)
• M7: 4,493,920 km (0.055 R)
• M8: 4,892,000 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.9

Radius: 12.8

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.96 AU - 1.14 AU

Year: 756 Days

Day: 12.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,957,298 km

• M1: 159,172 km (0.117 R)
• M2: 560,394 km (0.113 R)
• M3: 962,513 km (0.089 R)
• M4: 1,632,861 km (0.099 R)
• M5: 2,038,271 km (0.112 R)
• M6: 2,522,818 km (0.12 R)
• M7: 3,022,027 km (0.075 R)
• M8: 3,902,709 km (0.079 R)
• M9: 4,707,995 km (0.109 R)
• M10: 5,794,225 km (0.094 R)
• M11: 7,633,680 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.8

Radius: 9.3

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.52 AU - 1.52 AU

Year: 1317 Days

Day: 8.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,957,298 km

• M1: 115,639 km (0.063 R)
• M2: 453,880 km (0.053 R)
• M3: 1,309,729 km (0.104 R)
• M4: 1,733,839 km (0.106 R)
• M5: 3,010,059 km (0.079 R)
• M6: 5,318,204 km (0.104 R)
• M7: 5,844,490 km (0.094 R)
• M8: 7,124,449 km (0.095 R)
• M9: 10,712,853 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.4

Radius: 12.7

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.4 AU - 1.98 AU

Year: 1544 Days

Day: 10 Hours

Environment

Temp: -191 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 88,957,298 km

• M1: 159,771 km (0.07 R)
• M2: 602,431 km (0.084 R)
• M3: 1,110,166 km (0.12 R)
• M4: 2,458,791 km (0.038 R)
• M5: 3,085,157 km (0.078 R)
• M6: 3,764,630 km (0.112 R)
• M7: 5,506,099 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.2

Radius: 10.3

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.13 AU - 3.09 AU

Year: 2964 Days

Day: 6.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,957,298 km

• M1: 128,205 km (0.062 R)
• M2: 830,418 km (0.115 R)
• M3: 1,502,262 km (0.117 R)
• M4: 3,533,502 km (0.026 R)
• M5: 5,721,670 km (0.104 R)
• M6: 6,481,178 km (0.052 R)
• M7: 7,043,068 km (0.089 R)
• M8: 8,656,930 km (0.107 R)
• M9: 10,019,617 km (0.081 R)
• M10: 12,387,751 km (0.096 R)
• M11: 14,299,163 km (0.116 R)
• M12: 16,348,504 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.4

Radius: 13.6

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.86 AU - 6.36 AU

Year: 8120 Days

Day: 5.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,957,298 km

• M1: 169,794 km (0.11 R)
• M2: 980,614 km (0.098 R)
• M3: 2,342,254 km (0.07 R)
• M4: 3,636,126 km (0.106 R)
• M5: 4,276,704 km (0.094 R)
• M6: 4,725,348 km (0.112 R)
• M7: 6,194,997 km (0.095 R)
• M8: 7,503,530 km (0.118 R)
• M9: 8,117,779 km (0.066 R)
• M10: 9,216,276 km (0.063 R)
• M11: 10,612,024 km (0.088 R)
• M12: 13,402,024 km (0.079 R)
• M13: 14,001,613 km (0.068 R)
• M14: 14,556,471 km (0.113 R)
• M15: 20,076,782 km (0.114 R)
• M16: 21,022,091 km (0.041 R)
• M17: 21,587,122 km (0.108 R)
• M18: 22,832,076 km (0.116 R)
• M19: 25,464,699 km (0.118 R)
• M20: 38,268,781 km (0.104 R)
• M21: 38,748,990 km (0.098 R)
• M22: 39,967,166 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.2

Radius: 5.6

Gravity: 21.02 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.55 AU - 6.51 AU

Year: 9141 Days

Day: 18.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 125.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,957,298 km

• M1: 80,783 km (0.117 R)
• M2: 394,639 km (0.047 R)
• M3: 825,032 km (0.028 R)
• M4: 1,036,115 km (0.096 R)
• M5: 1,212,192 km (0.067 R)
• M6: 1,541,606 km (0.084 R)
• M7: 2,163,335 km (0.062 R)
• M8: 2,729,862 km (0.045 R)
• M9: 4,401,469 km (0.099 R)
• M10: 4,779,203 km (0.085 R)
• M11: 6,148,472 km (0.097 R)
• M12: 6,732,802 km (0.102 R)
• M13: 7,718,951 km (0.116 R)
• M14: 10,270,791 km (0.049 R)
• M15: 10,624,890 km (0.093 R)
• M16: 14,001,314 km (0.117 R)
• M17: 15,796,937 km (0.112 R)
• M18: 16,065,315 km (0.093 R)
• M19: 23,026,703 km (0.115 R)
• M20: 25,424,308 km (0.092 R)
• M21: 30,812,973 km (0.103 R)
• M22: 39,566,692 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.2

Radius: 8

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.13 AU - 6.71 AU

Year: 11434 Days

Day: 17.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,957,298 km

• M1: 134,339 km (0.086 R)
• M2: 450,738 km (0.05 R)
• M3: 998,566 km (0.119 R)
• M4: 2,801,071 km (0.081 R)
• M5: 4,014,010 km (0.11 R)
• M6: 4,413,885 km (0.09 R)
• M7: 6,792,043 km (0.028 R)
• M8: 9,956,486 km (0.094 R)
• M9: 10,645,833 km (0.113 R)
• M10: 12,167,992 km (0.113 R)
• M11: 13,311,069 km (0.09 R)
• M12: 15,073,930 km (0.101 R)
• M13: 20,389,741 km (0.079 R)
• M14: 22,504,008 km (0.111 R)
• M15: 27,246,111 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998.5

Radius: 3.1

Gravity: 103.9 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.43 AU - 11.79 AU

Year: 20941 Days

Day: 19.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 88,957,298 km

• M1: 42,635 km (0.097 R)
• M2: 177,273 km (0.083 R)
• M3: 376,089 km (0.066 R)
• M4: 620,083 km (0.078 R)
• M5: 1,298,809 km (0.105 R)
• M6: 1,427,912 km (0.109 R)
• M7: 1,769,294 km (0.088 R)
• M8: 2,512,047 km (0.1 R)
• M9: 2,791,347 km (0.063 R)
• M10: 3,883,710 km (0.052 R)
• M11: 4,469,984 km (0.089 R)
• M12: 5,729,299 km (0.113 R)
• M13: 6,816,427 km (0.078 R)
• M14: 9,933,897 km (0.117 R)
• M15: 10,564,003 km (0.118 R)
• M16: 13,351,610 km (0.061 R)
• M17: 15,487,419 km (0.092 R)
• M18: 18,023,402 km (0.112 R)
• M19: 20,221,443 km (0.063 R)
• M20: 21,025,981 km (0.097 R)
• M21: 24,911,486 km (0.113 R)
• M22: 25,025,779 km (0.059 R)
• M23: 28,618,671 km (0.097 R)
• M24: 28,995,957 km (0.094 R)
• M25: 32,951,474 km (0.106 R)
• M26: 33,089,254 km (0.085 R)
• M27: 37,251,815 km (0.04 R)
• M28: 42,560,594 km (0.052 R)
• M29: 43,216,431 km (0.088 R)
• M30: 47,644,528 km (0.109 R)
• M31: 58,591,801 km (0.092 R)
• M32: 64,429,110 km (0.097 R)
• M33: 82,707,576 km (0.084 R)
• M34: 85,794,528 km (0.084 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: 444 - 10,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit