🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550

Radius: 8.4

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.89 AU - 1.17 AU

Year: 686 Days

Day: 7.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,081,517 km

• M1: 104,569 km (0.096 R)
• M2: 378,632 km (0.096 R)
• M3: 888,163 km (0.099 R)
• M4: 1,181,674 km (0.107 R)
• M5: 1,686,118 km (0.096 R)
• M6: 1,971,102 km (0.081 R)
• M7: 2,607,192 km (0.114 R)
• M8: 2,885,893 km (0.105 R)
• M9: 3,477,403 km (0.114 R)
• M10: 4,342,976 km (0.072 R)
• M11: 4,785,486 km (0.074 R)
• M12: 5,398,239 km (0.075 R)
• M13: 5,891,463 km (0.057 R)
• M14: 6,197,690 km (0.08 R)
• M15: 6,883,746 km (0.107 R)
• M16: 7,441,896 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.5

Radius: 13.2

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.99 AU - 1.09 AU

Year: 696 Days

Day: 14.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,081,517 km

• M1: 167,550 km (0.061 R)
• M2: 746,643 km (0.09 R)
• M3: 1,306,737 km (0.116 R)
• M4: 1,774,081 km (0.114 R)
• M5: 2,202,978 km (0.109 R)
• M6: 2,690,368 km (0.098 R)
• M7: 4,361,526 km (0.043 R)
• M8: 4,789,675 km (0.09 R)
• M9: 5,965,664 km (0.08 R)
• M10: 6,600,557 km (0.095 R)
• M11: 7,189,973 km (0.092 R)
• M12: 8,324,673 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409

Radius: 9.2

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.06 AU - 1.14 AU

Year: 757 Days

Day: 12.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,081,517 km

• M1: 119,828 km (0.116 R)
• M2: 532,718 km (0.109 R)
• M3: 905,366 km (0.029 R)
• M4: 1,494,034 km (0.085 R)
• M5: 3,552,501 km (0.116 R)
• M6: 4,826,925 km (0.119 R)
• M7: 5,505,650 km (0.067 R)
• M8: 5,868,276 km (0.089 R)
• M9: 6,742,526 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.2

Radius: 14

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.3 AU - 1.48 AU

Year: 1075 Days

Day: 5.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,081,517 km

• M1: 174,282 km (0.086 R)
• M2: 630,705 km (0.106 R)
• M3: 1,140,085 km (0.069 R)
• M4: 1,615,956 km (0.109 R)
• M5: 2,216,442 km (0.059 R)
• M6: 3,030,105 km (0.097 R)
• M7: 4,068,015 km (0.06 R)
• M8: 4,983,554 km (0.066 R)
• M9: 5,633,257 km (0.081 R)
• M10: 6,450,810 km (0.113 R)
• M11: 7,495,003 km (0.067 R)
• M12: 9,153,894 km (0.059 R)
• M13: 10,009,145 km (0.077 R)
• M14: 10,756,536 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.8

Radius: 8.4

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.95 AU - 2.71 AU

Year: 2333 Days

Day: 8.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,081,517 km

• M1: 104,419 km (0.101 R)
• M2: 371,452 km (0.091 R)
• M3: 770,279 km (0.043 R)
• M4: 1,244,355 km (0.116 R)
• M5: 1,593,367 km (0.066 R)
• M6: 3,392,431 km (0.118 R)
• M7: 4,222,101 km (0.094 R)
• M8: 6,092,373 km (0.029 R)
• M9: 6,781,720 km (0.105 R)
• M10: 7,338,673 km (0.052 R)
• M11: 7,681,851 km (0.119 R)
• M12: 10,724,522 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.5

Radius: 9.9

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.16 AU - 2.68 AU

Year: 2470 Days

Day: 8 Hours

Environment

Temp: -190 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,081,517 km

• M1: 123,418 km (0.055 R)
• M2: 498,311 km (0.109 R)
• M3: 1,137,692 km (0.061 R)
• M4: 2,036,925 km (0.078 R)
• M5: 4,193,079 km (0.034 R)
• M6: 5,802,602 km (0.09 R)
• M7: 6,512,743 km (0.03 R)
• M8: 8,186,145 km (0.09 R)
• M9: 9,137,139 km (0.067 R)
• M10: 10,828,941 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.5

Radius: 9.2

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.2 AU - 3.18 AU

Year: 2894 Days

Day: 6.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,081,517 km

• M1: 115,041 km (0.115 R)
• M2: 423,661 km (0.103 R)
• M3: 1,272,180 km (0.105 R)
• M4: 2,268,801 km (0.082 R)
• M5: 2,588,791 km (0.112 R)
• M6: 3,489,670 km (0.119 R)
• M7: 7,705,188 km (0.102 R)
• M8: 8,497,159 km (0.114 R)
• M9: 8,848,116 km (0.108 R)
• M10: 9,854,909 km (0.105 R)
• M11: 12,745,140 km (0.116 R)
• M12: 13,248,088 km (0.1 R)
• M13: 13,677,285 km (0.083 R)
• M14: 14,790,891 km (0.042 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.3

Radius: 14.8

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.04 AU - 5.68 AU

Year: 8141 Days

Day: 6.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,081,517 km

• M1: 184,005 km (0.116 R)
• M2: 682,017 km (0.113 R)
• M3: 1,284,597 km (0.054 R)
• M4: 3,020,979 km (0.052 R)
• M5: 3,804,723 km (0.112 R)
• M6: 4,578,144 km (0.096 R)
• M7: 5,401,680 km (0.046 R)
• M8: 5,919,438 km (0.057 R)
• M9: 6,804,908 km (0.102 R)
• M10: 7,709,526 km (0.05 R)
• M11: 9,215,378 km (0.093 R)
• M12: 12,149,591 km (0.077 R)
• M13: 12,756,360 km (0.102 R)
• M14: 13,334,257 km (0.113 R)
• M15: 14,081,199 km (0.105 R)
• M16: 18,424,623 km (0.065 R)
• M17: 19,164,086 km (0.055 R)
• M18: 22,183,270 km (0.042 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.3

Radius: 6.9

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 10.26 AU - 11.6 AU

Year: 23705 Days

Day: 17.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,081,517 km

• M1: 88,412 km (0.079 R)
• M2: 334,202 km (0.111 R)
• M3: 605,722 km (0.102 R)
• M4: 902,374 km (0.074 R)
• M5: 1,308,682 km (0.084 R)
• M6: 1,849,179 km (0.068 R)
• M7: 2,072,529 km (0.037 R)
• M8: 2,398,503 km (0.07 R)
• M9: 2,926,733 km (0.071 R)
• M10: 3,153,673 km (0.119 R)
• M11: 3,474,411 km (0.028 R)
• M12: 6,922,342 km (0.052 R)
• M13: 7,987,928 km (0.101 R)
• M14: 10,615,166 km (0.075 R)
• M15: 14,994,344 km (0.044 R)
• M16: 15,825,211 km (0.118 R)
• M17: 16,056,938 km (0.108 R)
• M18: 19,991,960 km (0.086 R)
• M19: 21,465,798 km (0.087 R)
• M20: 22,912,111 km (0.09 R)
• M21: 23,608,788 km (0.084 R)
• M22: 24,422,152 km (0.036 R)
• M23: 29,001,642 km (0.1 R)
• M24: 30,052,267 km (0.12 R)
• M25: 30,766,747 km (0.116 R)
• M26: 31,370,673 km (0.088 R)
• M27: 38,544,789 km (0.065 R)
• M28: 41,991,225 km (0.106 R)
• M29: 43,334,913 km (0.094 R)
• M30: 50,820,341 km (0.104 R)
• M31: 51,325,384 km (0.11 R)
• M32: 53,206,128 km (0.097 R)
• M33: 63,887,117 km (0.054 R)
• M34: 66,262,133 km (0.083 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 17,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit