🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.8

Radius: 13.3

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.72 AU - 0.76 AU

Year: 411 Days

Day: 8 Hours

Environment

Temp: -144 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,484,914 km

• M1: 165,455 km (0.088 R)
• M2: 605,273 km (0.119 R)
• M3: 1,044,343 km (0.102 R)
• M4: 1,473,689 km (0.104 R)
• M5: 1,903,633 km (0.1 R)
• M6: 2,581,162 km (0.088 R)
• M7: 3,193,915 km (0.079 R)
• M8: 3,811,604 km (0.084 R)
• M9: 4,728,639 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.6

Radius: 12.4

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.86 AU - 0.9 AU

Year: 533 Days

Day: 11.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,484,914 km

• M1: 154,235 km (0.117 R)
• M2: 594,053 km (0.109 R)
• M3: 1,034,918 km (0.109 R)
• M4: 1,550,432 km (0.047 R)
• M5: 2,085,694 km (0.097 R)
• M6: 2,519,228 km (0.076 R)
• M7: 2,924,638 km (0.118 R)
• M8: 3,816,690 km (0.082 R)
• M9: 4,341,031 km (0.064 R)
• M10: 4,960,516 km (0.112 R)
• M11: 5,552,475 km (0.098 R)
• M12: 6,265,009 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.4

Radius: 11.7

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.47 AU - 1.83 AU

Year: 1368 Days

Day: 5.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,484,914 km

• M1: 145,559 km (0.114 R)
• M2: 524,341 km (0.103 R)
• M3: 944,561 km (0.103 R)
• M4: 1,464,414 km (0.075 R)
• M5: 2,180,688 km (0.09 R)
• M6: 3,926,047 km (0.107 R)
• M7: 4,681,067 km (0.11 R)
• M8: 5,208,848 km (0.116 R)
• M9: 5,937,839 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346

Radius: 10.5

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.83 AU - 2.65 AU

Year: 2165 Days

Day: 5.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,484,914 km

• M1: 130,599 km (0.075 R)
• M2: 459,565 km (0.06 R)
• M3: 958,025 km (0.087 R)
• M4: 1,307,635 km (0.12 R)
• M5: 2,160,044 km (0.098 R)
• M6: 3,074,984 km (0.084 R)
• M7: 3,490,717 km (0.095 R)
• M8: 4,031,812 km (0.108 R)
• M9: 4,454,725 km (0.114 R)
• M10: 5,009,434 km (0.081 R)
• M11: 5,411,703 km (0.082 R)
• M12: 5,927,516 km (0.105 R)
• M13: 8,800,992 km (0.12 R)
• M14: 9,231,385 km (0.115 R)
• M15: 9,838,005 km (0.086 R)
• M16: 10,436,845 km (0.081 R)
• M17: 12,648,949 km (0.053 R)
• M18: 13,721,266 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.6

Radius: 10.4

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.32 AU - 2.98 AU

Year: 2785 Days

Day: 8 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,484,914 km

• M1: 129,402 km (0.08 R)
• M2: 751,430 km (0.095 R)
• M3: 1,087,726 km (0.096 R)
• M4: 1,619,547 km (0.108 R)
• M5: 2,028,547 km (0.038 R)
• M6: 2,532,243 km (0.12 R)
• M7: 2,913,119 km (0.053 R)
• M8: 4,054,701 km (0.094 R)
• M9: 4,980,861 km (0.075 R)
• M10: 6,907,083 km (0.089 R)
• M11: 9,800,157 km (0.107 R)
• M12: 10,781,219 km (0.104 R)
• M13: 11,715,308 km (0.092 R)
• M14: 13,458,124 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.7

Radius: 13.5

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.52 AU - 4.04 AU

Year: 4745 Days

Day: 8.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,484,914 km

• M1: 168,746 km (0.029 R)
• M2: 591,959 km (0.113 R)
• M3: 1,124,976 km (0.098 R)
• M4: 1,798,914 km (0.055 R)
• M5: 2,532,542 km (0.098 R)
• M6: 2,997,343 km (0.103 R)
• M7: 3,478,599 km (0.108 R)
• M8: 4,079,235 km (0.114 R)
• M9: 4,525,635 km (0.111 R)
• M10: 5,163,071 km (0.112 R)
• M11: 5,888,920 km (0.063 R)
• M12: 8,593,799 km (0.113 R)
• M13: 9,614,954 km (0.079 R)
• M14: 12,182,951 km (0.082 R)
• M15: 13,470,989 km (0.115 R)
• M16: 13,937,435 km (0.077 R)
• M17: 15,740,838 km (0.079 R)
• M18: 19,149,874 km (0.111 R)
• M19: 20,275,149 km (0.107 R)
• M20: 23,023,112 km (0.025 R)
• M21: 27,225,765 km (0.12 R)
• M22: 28,224,630 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.5

Radius: 3.1

Gravity: 32.52 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.49 AU - 8.93 AU

Year: 12500 Days

Day: 17.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,484,914 km

• M1: 42,187 km (0.085 R)
• M2: 177,273 km (0.069 R)
• M3: 283,937 km (0.032 R)
• M4: 463,753 km (0.102 R)
• M5: 622,626 km (0.117 R)
• M6: 861,983 km (0.101 R)
• M7: 967,599 km (0.091 R)
• M8: 1,103,583 km (0.111 R)
• M9: 1,675,795 km (0.06 R)
• M10: 1,872,816 km (0.099 R)
• M11: 2,655,063 km (0.05 R)
• M12: 4,148,499 km (0.118 R)
• M13: 4,312,159 km (0.101 R)
• M14: 5,881,889 km (0.106 R)
• M15: 6,479,832 km (0.117 R)
• M16: 7,078,672 km (0.098 R)
• M17: 8,086,812 km (0.079 R)
• M18: 9,186,955 km (0.088 R)
• M19: 9,371,708 km (0.027 R)
• M20: 10,786,605 km (0.117 R)
• M21: 14,461,925 km (0.103 R)
• M22: 15,092,630 km (0.118 R)
• M23: 16,955,722 km (0.061 R)
• M24: 18,743,865 km (0.098 R)
• M25: 18,892,117 km (0.116 R)
• M26: 22,024,098 km (0.114 R)
• M27: 22,605,585 km (0.083 R)
• M28: 26,496,775 km (0.115 R)
• M29: 29,092,597 km (0.05 R)
• M30: 29,994,223 km (0.041 R)
• M31: 32,810,703 km (0.108 R)
• M32: 34,227,394 km (0.084 R)
• M33: 34,783,001 km (0.104 R)
• M34: 39,689,661 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.3

Radius: 7.7

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.46 AU - 8.98 AU

Year: 15217 Days

Day: 22.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,484,914 km

• M1: 96,042 km (0.062 R)
• M2: 406,607 km (0.11 R)
• M3: 771,476 km (0.093 R)
• M4: 1,019,061 km (0.085 R)
• M5: 1,457,682 km (0.065 R)
• M6: 1,894,807 km (0.091 R)
• M7: 2,376,362 km (0.095 R)
• M8: 3,224,133 km (0.109 R)
• M9: 3,939,510 km (0.096 R)
• M10: 5,609,023 km (0.118 R)
• M11: 6,762,123 km (0.092 R)
• M12: 7,351,239 km (0.115 R)
• M13: 8,158,469 km (0.115 R)
• M14: 10,269,744 km (0.05 R)
• M15: 10,654,061 km (0.12 R)
• M16: 12,471,974 km (0.071 R)
• M17: 12,909,548 km (0.096 R)
• M18: 13,815,214 km (0.111 R)
• M19: 16,190,230 km (0.117 R)
• M20: 17,013,616 km (0.06 R)
• M21: 17,864,529 km (0.107 R)
• M22: 19,567,252 km (0.079 R)
• M23: 20,935,175 km (0.111 R)
• M24: 21,642,474 km (0.051 R)
• M25: 26,022,400 km (0.077 R)
• M26: 35,604,892 km (0.077 R)
• M27: 40,423,140 km (0.114 R)
• M28: 42,074,551 km (0.103 R)
• M29: 49,908,542 km (0.107 R)
• M30: 51,328,675 km (0.103 R)
• M31: 52,451,557 km (0.114 R)
• M32: 54,084,268 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.1

Radius: 8

Gravity: 12.17 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.76 AU - 9.36 AU

Year: 16171 Days

Day: 17.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,484,914 km

• M1: 99,483 km (0.075 R)
• M2: 462,108 km (0.048 R)
• M3: 822,489 km (0.068 R)
• M4: 1,267,842 km (0.073 R)
• M5: 1,562,400 km (0.043 R)
• M6: 2,071,781 km (0.078 R)
• M7: 4,214,022 km (0.1 R)
• M8: 4,913,243 km (0.12 R)
• M9: 6,583,204 km (0.069 R)
• M10: 8,807,126 km (0.065 R)
• M11: 9,889,915 km (0.085 R)
• M12: 12,913,887 km (0.052 R)
• M13: 13,529,482 km (0.101 R)
• M14: 17,723,757 km (0.119 R)
• M15: 20,068,854 km (0.088 R)
• M16: 23,708,869 km (0.071 R)
• M17: 29,958,769 km (0.111 R)
• M18: 35,341,450 km (0.071 R)
• M19: 36,274,791 km (0.053 R)
• M20: 41,777,001 km (0.082 R)
• M21: 45,896,178 km (0.084 R)
• M22: 56,182,528 km (0.117 R)
• M23: 59,487,892 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.6

Radius: 4.8

Gravity: 12.7 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 7.31 AU - 11.79 AU

Year: 19055 Days

Day: 15.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 55,484,914 km

• M1: 59,690 km (0.111 R)
• M2: 322,533 km (0.03 R)
• M3: 503,098 km (0.119 R)
• M4: 978,669 km (0.086 R)
• M5: 1,162,824 km (0.067 R)
• M6: 1,775,577 km (0.088 R)
• M7: 2,732,704 km (0.065 R)
• M8: 3,125,100 km (0.077 R)
• M9: 3,907,646 km (0.112 R)
• M10: 4,078,636 km (0.111 R)
• M11: 6,382,892 km (0.1 R)
• M12: 8,218,159 km (0.117 R)
• M13: 9,793,275 km (0.089 R)
• M14: 10,432,507 km (0.096 R)
• M15: 11,099,115 km (0.063 R)
• M16: 11,270,105 km (0.088 R)
• M17: 12,031,558 km (0.105 R)
• M18: 12,333,297 km (0.069 R)
• M19: 16,954,525 km (0.071 R)
• M20: 20,065,114 km (0.072 R)
• M21: 20,746,981 km (0.104 R)
• M22: 20,919,916 km (0.079 R)
• M23: 21,180,964 km (0.108 R)
• M24: 22,793,629 km (0.078 R)
• M25: 24,103,059 km (0.08 R)
• M26: 31,522,515 km (0.054 R)
• M27: 33,145,652 km (0.087 R)
• M28: 33,977,716 km (0.074 R)
• M29: 35,436,295 km (0.025 R)
• M30: 37,830,459 km (0.107 R)
• M31: 39,132,709 km (0.085 R)
• M32: 42,102,526 km (0.112 R)
• M33: 43,784,006 km (0.083 R)
• M34: 44,068,541 km (0.078 R)
• M35: 44,929,626 km (0.12 R)
• M36: 50,958,271 km (0.043 R)
• M37: 52,065,893 km (0.105 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 14,831 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit