🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.2

Radius: 10

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.69 AU - 0.99 AU

Year: 489 Days

Day: 14.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,296,263 km

• M1: 124,316 km (0.074 R)
• M2: 594,801 km (0.1 R)
• M3: 996,023 km (0.08 R)
• M4: 1,350,719 km (0.095 R)
• M5: 1,954,945 km (0.113 R)
• M6: 2,324,901 km (0.083 R)
• M7: 2,883,948 km (0.115 R)
• M8: 3,391,384 km (0.099 R)
• M9: 3,957,462 km (0.067 R)
• M10: 4,478,811 km (0.08 R)
• M11: 5,295,316 km (0.064 R)
• M12: 6,114,065 km (0.086 R)
• M13: 6,476,092 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.5

Radius: 9.3

Gravity: 10.57 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.92 AU - 1.5 AU

Year: 846 Days

Day: 7 Hours

Environment

Temp: -169 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,296,263 km

• M1: 115,938 km (0.108 R)
• M2: 658,829 km (0.096 R)
• M3: 1,094,608 km (0.108 R)
• M4: 2,027,799 km (0.103 R)
• M5: 2,342,852 km (0.096 R)
• M6: 2,752,302 km (0.078 R)
• M7: 3,222,637 km (0.055 R)
• M8: 3,595,136 km (0.111 R)
• M9: 4,409,996 km (0.095 R)
• M10: 4,999,710 km (0.096 R)
• M11: 5,825,191 km (0.066 R)
• M12: 6,162,535 km (0.053 R)
• M13: 6,490,752 km (0.095 R)
• M14: 6,876,715 km (0.086 R)
• M15: 7,521,482 km (0.107 R)
• M16: 8,101,772 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416

Radius: 14.3

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.02 AU - 1.5 AU

Year: 899 Days

Day: 12.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,296,263 km

• M1: 178,321 km (0.088 R)
• M2: 629,059 km (0.058 R)
• M3: 1,646,025 km (0.081 R)
• M4: 2,366,489 km (0.103 R)
• M5: 2,923,142 km (0.039 R)
• M6: 3,621,465 km (0.04 R)
• M7: 4,413,287 km (0.06 R)
• M8: 6,776,185 km (0.097 R)
• M9: 7,295,290 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.8

Radius: 10.3

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.02 AU - 2.02 AU

Year: 1825 Days

Day: 11.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,296,263 km

• M1: 128,205 km (0.094 R)
• M2: 508,633 km (0.096 R)
• M3: 869,762 km (0.119 R)
• M4: 1,225,655 km (0.119 R)
• M5: 1,589,029 km (0.096 R)
• M6: 2,271,793 km (0.082 R)
• M7: 3,044,017 km (0.109 R)
• M8: 3,740,545 km (0.034 R)
• M9: 4,498,558 km (0.052 R)
• M10: 5,402,428 km (0.101 R)
• M11: 6,137,402 km (0.058 R)
• M12: 8,487,585 km (0.093 R)
• M13: 9,041,097 km (0.114 R)
• M14: 10,040,859 km (0.086 R)
• M15: 10,402,138 km (0.057 R)
• M16: 12,381,917 km (0.12 R)
• M17: 12,713,725 km (0.039 R)
• M18: 13,967,205 km (0.071 R)
• M19: 14,831,881 km (0.053 R)
• M20: 15,253,747 km (0.043 R)
• M21: 16,467,734 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.6

Radius: 8.8

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.24 AU - 2.52 AU

Year: 2335 Days

Day: 9.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,296,263 km

• M1: 109,506 km (0.089 R)
• M2: 410,048 km (0.056 R)
• M3: 774,019 km (0.104 R)
• M4: 1,425,967 km (0.088 R)
• M5: 1,842,747 km (0.107 R)
• M6: 3,290,704 km (0.075 R)
• M7: 3,928,739 km (0.107 R)
• M8: 5,984,364 km (0.065 R)
• M9: 6,394,711 km (0.057 R)
• M10: 6,796,231 km (0.102 R)
• M11: 7,650,136 km (0.036 R)
• M12: 8,864,871 km (0.045 R)
• M13: 9,364,827 km (0.091 R)
• M14: 10,420,988 km (0.108 R)
• M15: 10,827,445 km (0.093 R)
• M16: 11,282,971 km (0.11 R)
• M17: 11,632,880 km (0.09 R)
• M18: 12,354,540 km (0.04 R)
• M19: 13,579,597 km (0.104 R)
• M20: 14,020,312 km (0.069 R)
• M21: 15,927,386 km (0.096 R)
• M22: 16,766,630 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.4

Radius: 14.3

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.42 AU - 6.76 AU

Year: 8403 Days

Day: 13.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,296,263 km

• M1: 177,872 km (0.091 R)
• M2: 809,773 km (0.087 R)
• M3: 1,322,595 km (0.082 R)
• M4: 3,162,050 km (0.112 R)
• M5: 4,160,616 km (0.099 R)
• M6: 6,339,958 km (0.033 R)
• M7: 7,476,154 km (0.119 R)
• M8: 7,925,246 km (0.071 R)
• M9: 10,249,698 km (0.099 R)
• M10: 12,032,606 km (0.095 R)
• M11: 13,056,304 km (0.092 R)
• M12: 15,212,159 km (0.08 R)
• M13: 16,752,418 km (0.083 R)
• M14: 17,524,942 km (0.119 R)
• M15: 22,668,266 km (0.066 R)
• M16: 24,495,604 km (0.057 R)
• M17: 28,739,247 km (0.093 R)
• M18: 33,120,819 km (0.086 R)
• M19: 35,014,429 km (0.096 R)
• M20: 38,289,425 km (0.073 R)
• M21: 42,019,200 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.6

Radius: 3.3

Gravity: 10.8 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.06 AU - 6.94 AU

Year: 10537 Days

Day: 19.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,296,263 km

• M1: 41,738 km (0.11 R)
• M2: 258,056 km (0.095 R)
• M3: 371,751 km (0.094 R)
• M4: 726,746 km (0.07 R)
• M5: 1,201,869 km (0.079 R)
• M6: 1,505,254 km (0.074 R)
• M7: 2,125,786 km (0.108 R)
• M8: 2,919,103 km (0.066 R)
• M9: 3,068,252 km (0.074 R)
• M10: 3,442,845 km (0.038 R)
• M11: 3,936,369 km (0.043 R)
• M12: 4,188,292 km (0.118 R)
• M13: 4,524,438 km (0.088 R)
• M14: 6,231,798 km (0.034 R)
• M15: 8,701,809 km (0.115 R)
• M16: 8,816,850 km (0.082 R)
• M17: 10,494,141 km (0.099 R)
• M18: 13,365,074 km (0.07 R)
• M19: 14,038,115 km (0.101 R)
• M20: 15,172,515 km (0.084 R)
• M21: 19,133,268 km (0.092 R)
• M22: 22,339,600 km (0.094 R)
• M23: 22,700,280 km (0.114 R)
• M24: 25,179,715 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.3

Radius: 6.6

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.32 AU - 7.7 AU

Year: 11801 Days

Day: 22.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,296,263 km

• M1: 82,428 km (0.109 R)
• M2: 317,596 km (0.114 R)
• M3: 560,842 km (0.111 R)
• M4: 794,514 km (0.076 R)
• M5: 2,039,917 km (0.041 R)
• M6: 2,255,487 km (0.056 R)
• M7: 4,919,376 km (0.078 R)
• M8: 5,252,830 km (0.086 R)
• M9: 6,507,358 km (0.072 R)
• M10: 7,363,806 km (0.095 R)
• M11: 8,025,327 km (0.066 R)
• M12: 9,508,740 km (0.084 R)
• M13: 10,746,363 km (0.058 R)
• M14: 11,213,408 km (0.115 R)
• M15: 15,448,972 km (0.12 R)
• M16: 16,225,235 km (0.08 R)
• M17: 17,984,806 km (0.05 R)
• M18: 23,086,243 km (0.097 R)
• M19: 24,179,055 km (0.066 R)
• M20: 26,215,531 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928

Radius: 7

Gravity: 18.94 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.76 AU - 12.22 AU

Year: 20076 Days

Day: 15.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,296,263 km

• M1: 98,286 km (0.084 R)
• M2: 333,603 km (0.102 R)
• M3: 603,777 km (0.11 R)
• M4: 879,187 km (0.095 R)
• M5: 1,656,198 km (0.05 R)
• M6: 1,998,179 km (0.098 R)
• M7: 2,386,535 km (0.105 R)
• M8: 3,891,340 km (0.096 R)
• M9: 5,088,721 km (0.101 R)
• M10: 8,082,025 km (0.111 R)
• M11: 8,456,020 km (0.041 R)
• M12: 15,702,391 km (0.113 R)
• M13: 16,116,927 km (0.089 R)
• M14: 17,054,606 km (0.117 R)
• M15: 17,759,062 km (0.071 R)
• M16: 22,924,079 km (0.103 R)
• M17: 23,673,265 km (0.107 R)
• M18: 24,660,461 km (0.055 R)
• M19: 26,250,238 km (0.078 R)
• M20: 26,834,268 km (0.079 R)
• M21: 27,188,815 km (0.113 R)
• M22: 37,394,082 km (0.094 R)
• M23: 37,984,695 km (0.105 R)
• M24: 38,581,440 km (0.108 R)
• M25: 41,501,890 km (0.027 R)
• M26: 43,909,219 km (0.104 R)
• M27: 56,380,745 km (0.049 R)
• M28: 65,745,272 km (0.096 R)
• M29: 79,690,636 km (0.039 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303

Radius: 7

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 8.76 AU - 11.28 AU

Year: 20167 Days

Day: 16 Hours

Environment

Temp: -221 °C

Axial Tilt: 99.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,296,263 km

• M1: 87,365 km (0.084 R)
• M2: 334,501 km (0.102 R)
• M3: 767,886 km (0.101 R)
• M4: 1,463,067 km (0.098 R)
• M5: 1,821,204 km (0.03 R)
• M6: 2,940,945 km (0.063 R)
• M7: 6,810,293 km (0.111 R)
• M8: 7,233,057 km (0.089 R)
• M9: 7,899,815 km (0.103 R)
• M10: 8,414,282 km (0.119 R)
• M11: 10,810,391 km (0.08 R)
• M12: 13,693,142 km (0.1 R)
• M13: 22,731,396 km (0.106 R)
• M14: 27,816,677 km (0.069 R)
• M15: 28,137,564 km (0.097 R)
• M16: 29,114,588 km (0.085 R)
• M17: 29,890,103 km (0.097 R)
• M18: 33,853,849 km (0.116 R)
• M19: 36,087,644 km (0.097 R)
• M20: 39,485,161 km (0.069 R)
• M21: 42,805,037 km (0.054 R)
• M22: 52,233,293 km (0.115 R)
• M23: 57,600,566 km (0.116 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 18,240 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit