🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.7

Radius: 11.2

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.96 AU - 1.08 AU

Year: 676 Days

Day: 12.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,396,910 km

• M1: 150,795 km (0.106 R)
• M2: 518,955 km (0.078 R)
• M3: 914,342 km (0.079 R)
• M4: 1,744,461 km (0.054 R)
• M5: 2,345,395 km (0.097 R)
• M6: 2,716,997 km (0.099 R)
• M7: 3,286,665 km (0.112 R)
• M8: 3,660,361 km (0.112 R)
• M9: 4,326,969 km (0.076 R)
• M10: 5,006,143 km (0.104 R)
• M11: 5,700,427 km (0.115 R)
• M12: 6,052,131 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.8

Radius: 9.4

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.1 AU - 2.82 AU

Year: 2531 Days

Day: 9.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,396,910 km

• M1: 121,473 km (0.118 R)
• M2: 498,610 km (0.101 R)
• M3: 905,516 km (0.077 R)
• M4: 1,269,039 km (0.119 R)
• M5: 1,612,665 km (0.053 R)
• M6: 2,771,001 km (0.114 R)
• M7: 3,445,389 km (0.089 R)
• M8: 3,888,647 km (0.086 R)
• M9: 4,889,756 km (0.105 R)
• M10: 5,450,748 km (0.058 R)
• M11: 7,128,638 km (0.098 R)
• M12: 7,634,877 km (0.098 R)
• M13: 8,752,971 km (0.066 R)
• M14: 9,403,872 km (0.064 R)
• M15: 10,383,738 km (0.062 R)
• M16: 11,310,796 km (0.073 R)
• M17: 11,672,224 km (0.086 R)
• M18: 12,041,432 km (0.08 R)
• M19: 13,196,028 km (0.109 R)
• M20: 13,732,337 km (0.114 R)
• M21: 14,658,198 km (0.089 R)
• M22: 16,326,962 km (0.085 R)

Asteroid Belt

Center: 3.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.8

Radius: 10.1

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.98 AU - 4.88 AU

Year: 5111 Days

Day: 14.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 150.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,396,910 km

• M1: 125,662 km (0.108 R)
• M2: 729,888 km (0.097 R)
• M3: 1,321,847 km (0.069 R)
• M4: 2,043,956 km (0.056 R)
• M5: 2,472,853 km (0.116 R)
• M6: 3,280,981 km (0.101 R)
• M7: 5,219,769 km (0.066 R)
• M8: 5,563,096 km (0.064 R)
• M9: 7,239,340 km (0.106 R)
• M10: 9,018,508 km (0.102 R)
• M11: 9,335,206 km (0.084 R)
• M12: 9,916,693 km (0.098 R)
• M13: 10,483,669 km (0.111 R)
• M14: 13,510,782 km (0.12 R)
• M15: 14,160,635 km (0.088 R)
• M16: 16,757,953 km (0.091 R)
• M17: 18,057,660 km (0.117 R)
• M18: 18,392,759 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199

Radius: 9.9

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.02 AU - 5.62 AU

Year: 6942 Days

Day: 7.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,396,910 km

• M1: 123,269 km (0.108 R)
• M2: 444,455 km (0.12 R)
• M3: 1,603,540 km (0.111 R)
• M4: 1,944,922 km (0.096 R)
• M5: 2,455,948 km (0.11 R)
• M6: 3,072,591 km (0.109 R)
• M7: 3,545,470 km (0.102 R)
• M8: 4,044,528 km (0.111 R)
• M9: 4,402,815 km (0.051 R)
• M10: 4,905,464 km (0.087 R)
• M11: 5,392,704 km (0.105 R)
• M12: 6,111,671 km (0.067 R)
• M13: 6,676,403 km (0.104 R)
• M14: 9,599,995 km (0.025 R)
• M15: 12,333,596 km (0.053 R)
• M16: 14,907,129 km (0.105 R)
• M17: 15,548,155 km (0.112 R)
• M18: 16,375,432 km (0.108 R)
• M19: 18,663,232 km (0.092 R)
• M20: 20,497,003 km (0.084 R)
• M21: 23,148,326 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.5

Radius: 10.8

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.55 AU - 5.27 AU

Year: 7137 Days

Day: 9.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,396,910 km

• M1: 134,488 km (0.117 R)
• M2: 542,143 km (0.109 R)
• M3: 1,070,822 km (0.077 R)
• M4: 2,505,914 km (0.1 R)
• M5: 3,097,873 km (0.045 R)
• M6: 3,825,517 km (0.117 R)
• M7: 5,277,663 km (0.116 R)
• M8: 6,221,476 km (0.06 R)
• M9: 8,752,074 km (0.03 R)
• M10: 9,191,592 km (0.119 R)
• M11: 9,562,146 km (0.089 R)
• M12: 10,245,360 km (0.115 R)
• M13: 10,961,036 km (0.112 R)
• M14: 11,853,686 km (0.087 R)
• M15: 13,413,244 km (0.104 R)
• M16: 17,493,227 km (0.091 R)
• M17: 19,780,279 km (0.116 R)
• M18: 20,468,729 km (0.111 R)
• M19: 24,153,175 km (0.083 R)
• M20: 25,339,486 km (0.059 R)
• M21: 29,663,762 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.8

Radius: 4.2

Gravity: 54.58 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.7 AU - 7.56 AU

Year: 12489 Days

Day: 19.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 141.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,396,910 km

• M1: 52,658 km (0.083 R)
• M2: 230,381 km (0.116 R)
• M3: 374,443 km (0.087 R)
• M4: 557,402 km (0.114 R)
• M5: 849,417 km (0.101 R)
• M6: 1,083,837 km (0.068 R)
• M7: 2,188,018 km (0.111 R)
• M8: 2,883,050 km (0.118 R)
• M9: 3,547,714 km (0.111 R)
• M10: 4,930,297 km (0.086 R)
• M11: 6,720,236 km (0.071 R)
• M12: 7,019,431 km (0.108 R)
• M13: 9,158,531 km (0.047 R)
• M14: 9,473,136 km (0.103 R)
• M15: 12,004,182 km (0.114 R)
• M16: 12,572,355 km (0.118 R)
• M17: 14,595,217 km (0.116 R)
• M18: 16,515,605 km (0.103 R)
• M19: 17,376,391 km (0.057 R)
• M20: 17,536,162 km (0.056 R)
• M21: 18,933,107 km (0.103 R)
• M22: 19,701,890 km (0.093 R)
• M23: 20,580,329 km (0.074 R)
• M24: 21,853,407 km (0.112 R)
• M25: 26,935,246 km (0.052 R)
• M26: 27,472,153 km (0.109 R)
• M27: 28,346,104 km (0.086 R)
• M28: 28,567,509 km (0.095 R)
• M29: 33,362,719 km (0.093 R)
• M30: 34,608,719 km (0.073 R)
• M31: 36,404,492 km (0.106 R)
• M32: 44,358,761 km (0.057 R)
• M33: 55,789,384 km (0.073 R)
• M34: 58,431,881 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.6

Radius: 5.8

Gravity: 26.12 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.82 AU - 9.62 AU

Year: 14071 Days

Day: 17.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 139.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,396,910 km

• M1: 72,106 km (0.094 R)
• M2: 292,613 km (0.076 R)
• M3: 1,193,941 km (0.078 R)
• M4: 2,232,748 km (0.083 R)
• M5: 5,016,316 km (0.106 R)
• M6: 8,942,961 km (0.033 R)
• M7: 9,852,665 km (0.107 R)
• M8: 14,609,878 km (0.112 R)
• M9: 18,178,086 km (0.088 R)
• M10: 19,024,062 km (0.102 R)
• M11: 22,478,576 km (0.106 R)
• M12: 25,276,355 km (0.044 R)
• M13: 32,402,300 km (0.084 R)
• M14: 32,771,508 km (0.074 R)
• M15: 33,769,924 km (0.078 R)
• M16: 35,175,546 km (0.095 R)
• M17: 39,067,634 km (0.079 R)
• M18: 40,048,248 km (0.109 R)
• M19: 41,912,835 km (0.03 R)
• M20: 43,684,822 km (0.096 R)
• M21: 44,437,599 km (0.098 R)
• M22: 47,693,896 km (0.101 R)
• M23: 50,443,804 km (0.067 R)
• M24: 50,939,721 km (0.108 R)
• M25: 53,297,533 km (0.104 R)
• M26: 59,876,847 km (0.088 R)
• M27: 64,228,051 km (0.115 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 13,282 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit