🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.3

Radius: 8.2

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.55 AU - 0.77 AU

Year: 370 Days

Day: 6.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,404,153 km

• M1: 102,026 km (0.072 R)
• M2: 420,071 km (0.098 R)
• M3: 693,835 km (0.064 R)
• M4: 1,278,463 km (0.086 R)
• M5: 1,581,997 km (0.105 R)
• M6: 2,028,098 km (0.099 R)
• M7: 2,387,133 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.5

Radius: 11.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.57 AU - 0.75 AU

Year: 370 Days

Day: 5 Hours

Environment

Temp: -155 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,404,153 km

• M1: 138,079 km (0.105 R)
• M2: 541,993 km (0.1 R)
• M3: 1,044,044 km (0.057 R)
• M4: 1,461,422 km (0.103 R)
• M5: 1,975,290 km (0.071 R)
• M6: 2,561,265 km (0.063 R)
• M7: 2,946,330 km (0.075 R)
• M8: 3,369,991 km (0.103 R)
• M9: 3,883,112 km (0.106 R)
• M10: 4,380,974 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.1

Radius: 12.1

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.63 AU - 0.89 AU

Year: 457 Days

Day: 12.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,404,153 km

• M1: 150,645 km (0.107 R)
• M2: 664,514 km (0.08 R)
• M3: 1,049,728 km (0.117 R)
• M4: 1,547,141 km (0.083 R)
• M5: 2,074,773 km (0.072 R)
• M6: 2,711,761 km (0.095 R)
• M7: 3,216,653 km (0.1 R)
• M8: 3,878,923 km (0.07 R)
• M9: 4,275,058 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.2

Radius: 11.2

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.61 AU - 0.95 AU

Year: 476 Days

Day: 11.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,404,153 km

• M1: 152,440 km (0.073 R)
• M2: 502,499 km (0.103 R)
• M3: 927,507 km (0.107 R)
• M4: 1,870,422 km (0.088 R)
• M5: 2,260,274 km (0.061 R)
• M6: 2,762,175 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635

Radius: 14.3

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.9 AU - 1.2 AU

Year: 743 Days

Day: 5.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,404,153 km

• M1: 177,872 km (0.118 R)
• M2: 653,443 km (0.117 R)
• M3: 1,116,898 km (0.116 R)
• M4: 1,897,051 km (0.103 R)
• M5: 2,607,940 km (0.052 R)
• M6: 3,244,179 km (0.102 R)
• M7: 3,738,750 km (0.087 R)
• M8: 4,632,747 km (0.055 R)
• M9: 5,407,215 km (0.104 R)
• M10: 6,286,701 km (0.116 R)
• M11: 6,888,832 km (0.114 R)
• M12: 7,899,516 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.6

Radius: 10.3

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.6 AU - 3.6 AU

Year: 3768 Days

Day: 7 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,404,153 km

• M1: 128,953 km (0.104 R)
• M2: 556,055 km (0.11 R)
• M3: 1,053,618 km (0.11 R)
• M4: 1,421,479 km (0.11 R)
• M5: 1,836,613 km (0.048 R)
• M6: 2,241,275 km (0.079 R)
• M7: 2,773,993 km (0.119 R)
• M8: 5,022,599 km (0.117 R)
• M9: 6,297,472 km (0.117 R)
• M10: 9,759,615 km (0.101 R)
• M11: 10,561,759 km (0.06 R)
• M12: 11,917,116 km (0.115 R)
• M13: 13,848,125 km (0.12 R)
• M14: 14,321,752 km (0.077 R)
• M15: 14,860,753 km (0.086 R)
• M16: 15,190,617 km (0.091 R)
• M17: 15,694,462 km (0.101 R)
• M18: 16,209,528 km (0.086 R)
• M19: 16,735,813 km (0.048 R)
• M20: 17,638,187 km (0.091 R)
• M21: 19,539,875 km (0.108 R)
• M22: 20,472,469 km (0.097 R)
• M23: 23,746,568 km (0.07 R)
• M24: 24,349,447 km (0.115 R)
• M25: 26,864,038 km (0.055 R)
• M26: 27,850,187 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.1

Radius: 10.5

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.73 AU - 4.19 AU

Year: 4442 Days

Day: 7.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,404,153 km

• M1: 293,212 km (0.04 R)
• M2: 1,291,179 km (0.053 R)
• M3: 2,516,535 km (0.113 R)
• M4: 3,671,730 km (0.105 R)
• M5: 4,412,688 km (0.079 R)
• M6: 4,895,740 km (0.115 R)
• M7: 8,074,545 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.8

Radius: 12.2

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.76 AU - 6.24 AU

Year: 8903 Days

Day: 7.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,404,153 km

• M1: 163,959 km (0.051 R)
• M2: 1,241,363 km (0.079 R)
• M3: 1,801,458 km (0.119 R)
• M4: 2,507,709 km (0.066 R)
• M5: 3,032,498 km (0.105 R)
• M6: 3,778,543 km (0.049 R)
• M7: 4,195,622 km (0.066 R)
• M8: 5,216,927 km (0.089 R)
• M9: 6,043,156 km (0.118 R)
• M10: 6,506,161 km (0.066 R)
• M11: 6,954,506 km (0.085 R)
• M12: 7,383,702 km (0.038 R)
• M13: 8,733,823 km (0.072 R)
• M14: 9,141,776 km (0.07 R)
• M15: 9,705,461 km (0.066 R)
• M16: 14,574,124 km (0.117 R)
• M17: 15,475,301 km (0.076 R)
• M18: 17,035,906 km (0.11 R)
• M19: 19,378,609 km (0.11 R)
• M20: 19,996,149 km (0.099 R)
• M21: 29,671,990 km (0.084 R)
• M22: 30,492,983 km (0.027 R)
• M23: 32,611,438 km (0.031 R)
• M24: 35,739,829 km (0.041 R)
• M25: 38,455,180 km (0.111 R)
• M26: 40,423,289 km (0.109 R)
• M27: 41,686,943 km (0.085 R)
• M28: 42,071,110 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.7

Radius: 3.5

Gravity: 64.3 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.33 AU - 9.15 AU

Year: 14864 Days

Day: 18 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 65,404,153 km

• M1: 44,580 km (0.115 R)
• M2: 219,011 km (0.031 R)
• M3: 520,750 km (0.081 R)
• M4: 758,611 km (0.059 R)
• M5: 891,753 km (0.117 R)
• M6: 1,064,838 km (0.12 R)
• M7: 1,273,676 km (0.073 R)
• M8: 1,670,859 km (0.067 R)
• M9: 2,225,717 km (0.072 R)
• M10: 2,658,055 km (0.111 R)
• M11: 2,845,800 km (0.057 R)
• M12: 3,381,211 km (0.088 R)
• M13: 4,195,323 km (0.071 R)
• M14: 4,515,313 km (0.109 R)
• M15: 5,535,570 km (0.094 R)
• M16: 5,649,264 km (0.114 R)
• M17: 5,803,201 km (0.11 R)
• M18: 6,240,924 km (0.077 R)
• M19: 6,829,442 km (0.104 R)
• M20: 7,271,952 km (0.058 R)
• M21: 7,875,281 km (0.034 R)
• M22: 8,067,364 km (0.1 R)
• M23: 8,713,627 km (0.117 R)
• M24: 9,829,478 km (0.04 R)
• M25: 11,096,871 km (0.104 R)
• M26: 12,534,207 km (0.093 R)
• M27: 15,545,612 km (0.118 R)
• M28: 17,097,241 km (0.106 R)
• M29: 18,076,210 km (0.099 R)
• M30: 18,242,862 km (0.082 R)
• M31: 19,438,747 km (0.046 R)
• M32: 25,469,935 km (0.03 R)
• M33: 25,890,155 km (0.088 R)
• M34: 27,069,735 km (0.112 R)
• M35: 29,882,773 km (0.103 R)
• M36: 31,903,092 km (0.104 R)
• M37: 32,268,859 km (0.081 R)
• M38: 37,686,696 km (0.066 R)
• M39: 38,232,279 km (0.102 R)
• M40: 40,752,405 km (0.032 R)
• M41: 50,442,756 km (0.066 R)
• M42: 60,810,188 km (0.085 R)
• M43: 64,622,989 km (0.1 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 15,003 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit