🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.6

Radius: 14

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.82 AU - 0.98 AU

Year: 551 Days

Day: 10.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,116,028 km

• M1: 174,132 km (0.071 R)
• M2: 620,233 km (0.046 R)
• M3: 1,113,158 km (0.029 R)
• M4: 1,599,351 km (0.111 R)
• M5: 2,126,085 km (0.083 R)
• M6: 2,691,266 km (0.056 R)
• M7: 3,229,818 km (0.072 R)
• M8: 3,911,087 km (0.102 R)
• M9: 4,622,425 km (0.097 R)
• M10: 5,172,346 km (0.093 R)
• M11: 5,654,500 km (0.114 R)
• M12: 6,689,418 km (0.071 R)
• M13: 7,506,522 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.9

Radius: 14.1

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.89 AU - 0.95 AU

Year: 570 Days

Day: 5.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,116,028 km

• M1: 175,329 km (0.118 R)
• M2: 617,091 km (0.026 R)
• M3: 1,060,948 km (0.112 R)
• M4: 1,639,892 km (0.044 R)
• M5: 2,103,795 km (0.108 R)
• M6: 2,677,951 km (0.109 R)
• M7: 3,194,663 km (0.063 R)
• M8: 3,723,341 km (0.115 R)
• M9: 4,666,406 km (0.109 R)
• M10: 5,744,857 km (0.109 R)
• M11: 6,796,381 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.8

Radius: 12.4

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.22 AU - 1.24 AU

Year: 881 Days

Day: 12.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,116,028 km

• M1: 154,834 km (0.06 R)
• M2: 559,197 km (0.066 R)
• M3: 1,531,882 km (0.064 R)
• M4: 2,089,433 km (0.08 R)
• M5: 2,594,177 km (0.117 R)
• M6: 3,241,935 km (0.101 R)
• M7: 3,740,994 km (0.083 R)
• M8: 4,141,318 km (0.087 R)
• M9: 4,730,584 km (0.079 R)
• M10: 5,944,271 km (0.036 R)
• M11: 6,512,444 km (0.1 R)
• M12: 7,159,604 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.3

Radius: 13.3

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.72 AU - 3.12 AU

Year: 3222 Days

Day: 9.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,116,028 km

• M1: 165,605 km (0.105 R)
• M2: 807,679 km (0.084 R)
• M3: 1,223,860 km (0.09 R)
• M4: 1,707,061 km (0.055 R)
• M5: 2,176,948 km (0.093 R)
• M6: 2,701,289 km (0.06 R)
• M7: 3,480,394 km (0.117 R)
• M8: 3,902,709 km (0.118 R)
• M9: 5,407,664 km (0.072 R)
• M10: 6,033,881 km (0.081 R)
• M11: 6,892,273 km (0.088 R)
• M12: 7,367,246 km (0.045 R)
• M13: 8,312,854 km (0.088 R)
• M14: 9,762,757 km (0.102 R)
• M15: 10,777,330 km (0.118 R)
• M16: 11,418,955 km (0.075 R)
• M17: 12,920,618 km (0.058 R)
• M18: 13,596,053 km (0.082 R)
• M19: 15,122,849 km (0.119 R)
• M20: 16,592,049 km (0.081 R)
• M21: 17,564,884 km (0.113 R)
• M22: 20,067,358 km (0.046 R)
• M23: 22,660,188 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.4

Radius: 10.8

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.06 AU - 4.44 AU

Year: 4689 Days

Day: 8.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,116,028 km

• M1: 134,339 km (0.108 R)
• M2: 792,719 km (0.117 R)
• M3: 1,182,721 km (0.109 R)
• M4: 1,535,173 km (0.119 R)
• M5: 2,327,294 km (0.087 R)
• M6: 3,486,678 km (0.116 R)
• M7: 4,360,928 km (0.089 R)
• M8: 4,801,942 km (0.109 R)
• M9: 5,638,643 km (0.099 R)
• M10: 6,021,913 km (0.118 R)
• M11: 7,277,637 km (0.056 R)
• M12: 7,799,285 km (0.066 R)
• M13: 8,557,148 km (0.11 R)
• M14: 9,439,326 km (0.044 R)
• M15: 10,708,365 km (0.107 R)
• M16: 11,776,344 km (0.105 R)
• M17: 12,177,715 km (0.119 R)
• M18: 12,773,713 km (0.086 R)
• M19: 14,936,151 km (0.114 R)
• M20: 16,710,531 km (0.11 R)
• M21: 17,446,702 km (0.055 R)
• M22: 20,226,380 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.2

Radius: 9.7

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.48 AU - 4.68 AU

Year: 5321 Days

Day: 6.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,116,028 km

• M1: 120,725 km (0.059 R)
• M2: 895,642 km (0.097 R)
• M3: 1,308,084 km (0.04 R)
• M4: 2,183,979 km (0.088 R)
• M5: 2,776,985 km (0.029 R)
• M6: 4,357,487 km (0.105 R)
• M7: 4,902,771 km (0.102 R)
• M8: 6,942,239 km (0.081 R)
• M9: 7,255,048 km (0.118 R)
• M10: 7,993,463 km (0.103 R)
• M11: 8,841,533 km (0.051 R)
• M12: 9,683,919 km (0.072 R)
• M13: 12,267,025 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156

Radius: 3.6

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.8 AU - 7.66 AU

Year: 11273 Days

Day: 15.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,116,028 km

• M1: 45,029 km (0.075 R)
• M2: 174,431 km (0.081 R)
• M3: 329,714 km (0.094 R)
• M4: 471,532 km (0.079 R)
• M5: 943,065 km (0.103 R)
• M6: 2,195,050 km (0.088 R)
• M7: 2,949,172 km (0.076 R)
• M8: 3,126,446 km (0.055 R)
• M9: 3,838,532 km (0.078 R)
• M10: 4,496,613 km (0.119 R)
• M11: 7,774,452 km (0.085 R)
• M12: 8,422,510 km (0.052 R)
• M13: 8,659,622 km (0.116 R)
• M14: 11,424,490 km (0.111 R)
• M15: 15,185,381 km (0.046 R)
• M16: 18,810,287 km (0.087 R)
• M17: 19,695,158 km (0.119 R)
• M18: 21,620,782 km (0.113 R)
• M19: 24,618,424 km (0.109 R)
• M20: 25,021,740 km (0.077 R)
• M21: 26,594,313 km (0.035 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503

Radius: 7.3

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.18 AU - 7.74 AU

Year: 13156 Days

Day: 16.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,116,028 km

• M1: 91,105 km (0.063 R)
• M2: 359,184 km (0.032 R)
• M3: 713,283 km (0.088 R)
• M4: 1,204,412 km (0.108 R)
• M5: 1,710,801 km (0.106 R)
• M6: 2,468,814 km (0.033 R)
• M7: 2,716,099 km (0.08 R)
• M8: 3,048,505 km (0.071 R)
• M9: 3,559,382 km (0.086 R)
• M10: 4,475,819 km (0.045 R)
• M11: 4,940,918 km (0.089 R)
• M12: 5,680,680 km (0.067 R)
• M13: 5,930,957 km (0.058 R)
• M14: 6,225,964 km (0.12 R)
• M15: 7,253,103 km (0.095 R)
• M16: 8,527,228 km (0.067 R)
• M17: 10,414,106 km (0.056 R)
• M18: 11,342,211 km (0.068 R)
• M19: 12,443,401 km (0.076 R)
• M20: 12,866,464 km (0.082 R)
• M21: 14,324,595 km (0.078 R)
• M22: 16,387,848 km (0.068 R)
• M23: 17,043,536 km (0.089 R)
• M24: 21,350,010 km (0.071 R)
• M25: 23,752,851 km (0.051 R)
• M26: 26,231,687 km (0.071 R)
• M27: 26,927,467 km (0.103 R)
• M28: 32,485,926 km (0.073 R)
• M29: 32,942,798 km (0.117 R)
• M30: 35,773,937 km (0.102 R)
• M31: 36,261,177 km (0.057 R)
• M32: 36,629,338 km (0.089 R)
• M33: 40,582,013 km (0.106 R)
• M34: 47,102,685 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710

Radius: 7.3

Gravity: 13.32 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6.52 AU - 8.88 AU

Year: 13796 Days

Day: 22.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,116,028 km

• M1: 91,554 km (0.086 R)
• M2: 483,351 km (0.105 R)
• M3: 792,869 km (0.085 R)
• M4: 1,182,721 km (0.074 R)
• M5: 1,600,697 km (0.083 R)
• M6: 1,896,303 km (0.088 R)
• M7: 2,408,675 km (0.052 R)
• M8: 3,256,147 km (0.09 R)
• M9: 3,932,330 km (0.117 R)
• M10: 5,100,091 km (0.113 R)
• M11: 5,707,757 km (0.067 R)
• M12: 6,812,388 km (0.082 R)
• M13: 7,684,394 km (0.027 R)
• M14: 8,289,667 km (0.109 R)
• M15: 8,976,620 km (0.074 R)
• M16: 9,595,207 km (0.098 R)
• M17: 10,241,769 km (0.116 R)
• M18: 10,859,609 km (0.096 R)
• M19: 13,121,229 km (0.116 R)
• M20: 16,804,478 km (0.112 R)
• M21: 19,215,547 km (0.081 R)
• M22: 20,856,486 km (0.1 R)
• M23: 22,031,578 km (0.115 R)
• M24: 27,175,201 km (0.08 R)
• M25: 28,031,649 km (0.115 R)
• M26: 28,795,496 km (0.119 R)
• M27: 30,137,389 km (0.093 R)
• M28: 32,227,570 km (0.081 R)
• M29: 35,036,420 km (0.119 R)
• M30: 38,940,027 km (0.074 R)
• M31: 40,579,320 km (0.113 R)
• M32: 42,836,004 km (0.079 R)
• M33: 46,073,751 km (0.108 R)
• M34: 48,841,311 km (0.118 R)
• M35: 56,068,833 km (0.099 R)
• M36: 58,156,920 km (0.103 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: 222 - 10,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit