🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.2

Radius: 12.4

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.45 AU - 0.71 AU

Year: 295 Days

Day: 9.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,126,053 km

• M1: 154,235 km (0.095 R)
• M2: 587,172 km (0.045 R)
• M3: 1,113,008 km (0.103 R)
• M4: 1,546,543 km (0.065 R)
• M5: 2,299,020 km (0.083 R)
• M6: 2,760,230 km (0.044 R)
• M7: 3,223,086 km (0.083 R)
• M8: 3,804,274 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.7

Radius: 10.6

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.01 AU - 1.03 AU

Year: 687 Days

Day: 14 Hours

Environment

Temp: -178 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,126,053 km

• M1: 131,945 km (0.109 R)
• M2: 484,099 km (0.087 R)
• M3: 846,574 km (0.12 R)
• M4: 1,686,417 km (0.068 R)
• M5: 3,203,938 km (0.069 R)
• M6: 3,714,216 km (0.086 R)
• M7: 4,058,291 km (0.081 R)
• M8: 4,589,363 km (0.089 R)
• M9: 5,870,071 km (0.081 R)
• M10: 6,444,078 km (0.094 R)
• M11: 6,988,016 km (0.097 R)
• M12: 7,994,959 km (0.12 R)
• M13: 8,701,061 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351

Radius: 8.6

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.05 AU - 1.35 AU

Year: 877 Days

Day: 14.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,126,053 km

• M1: 106,962 km (0.09 R)
• M2: 625,020 km (0.118 R)
• M3: 952,938 km (0.115 R)
• M4: 1,775,876 km (0.115 R)
• M5: 2,128,030 km (0.117 R)
• M6: 2,442,933 km (0.089 R)
• M7: 2,710,564 km (0.088 R)
• M8: 3,204,985 km (0.103 R)
• M9: 3,487,126 km (0.04 R)
• M10: 3,941,904 km (0.114 R)
• M11: 4,466,843 km (0.109 R)
• M12: 4,738,363 km (0.097 R)
• M13: 5,438,780 km (0.111 R)
• M14: 5,917,643 km (0.086 R)
• M15: 6,245,711 km (0.109 R)
• M16: 6,626,737 km (0.07 R)
• M17: 7,216,601 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.8

Radius: 12.3

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.05 AU - 6.37 AU

Year: 9099 Days

Day: 8.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,126,053 km

• M1: 153,039 km (0.119 R)
• M2: 636,988 km (0.119 R)
• M3: 1,023,249 km (0.093 R)
• M4: 1,425,817 km (0.053 R)
• M5: 1,825,244 km (0.07 R)
• M6: 2,568,595 km (0.104 R)
• M7: 3,101,313 km (0.066 R)
• M8: 3,579,877 km (0.097 R)
• M9: 4,247,532 km (0.115 R)
• M10: 5,254,326 km (0.095 R)
• M11: 6,915,162 km (0.114 R)
• M12: 9,234,976 km (0.116 R)
• M13: 10,917,952 km (0.089 R)
• M14: 12,322,975 km (0.096 R)
• M15: 23,109,131 km (0.115 R)
• M16: 24,661,359 km (0.06 R)
• M17: 26,771,885 km (0.118 R)
• M18: 32,123,151 km (0.117 R)
• M19: 32,683,395 km (0.117 R)
• M20: 38,649,507 km (0.115 R)
• M21: 41,226,630 km (0.107 R)
• M22: 47,729,799 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.1

Radius: 7

Gravity: 15.39 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.05 AU - 6.61 AU

Year: 10620 Days

Day: 15.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,126,053 km

• M1: 87,515 km (0.119 R)
• M2: 382,073 km (0.094 R)
• M3: 704,756 km (0.111 R)
• M4: 1,290,282 km (0.112 R)
• M5: 2,976,549 km (0.099 R)
• M6: 3,924,850 km (0.117 R)
• M7: 4,868,214 km (0.109 R)
• M8: 5,225,005 km (0.082 R)
• M9: 5,564,442 km (0.061 R)
• M10: 6,909,626 km (0.118 R)
• M11: 8,007,076 km (0.107 R)
• M12: 8,321,531 km (0.025 R)
• M13: 8,974,975 km (0.105 R)
• M14: 9,763,056 km (0.092 R)
• M15: 10,757,882 km (0.12 R)
• M16: 14,081,648 km (0.109 R)
• M17: 14,474,043 km (0.104 R)
• M18: 15,212,159 km (0.115 R)
• M19: 16,330,403 km (0.068 R)
• M20: 17,130,303 km (0.09 R)
• M21: 19,444,432 km (0.083 R)
• M22: 22,398,242 km (0.116 R)
• M23: 24,307,111 km (0.118 R)
• M24: 25,735,172 km (0.062 R)
• M25: 26,618,398 km (0.104 R)
• M26: 32,459,596 km (0.052 R)
• M27: 33,722,352 km (0.114 R)
• M28: 33,955,276 km (0.091 R)
• M29: 38,083,280 km (0.083 R)
• M30: 41,190,577 km (0.041 R)
• M31: 41,724,342 km (0.094 R)
• M32: 41,993,020 km (0.084 R)
• M33: 44,323,156 km (0.108 R)
• M34: 44,883,700 km (0.07 R)
• M35: 49,389,288 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806

Radius: 3.7

Gravity: 58.88 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.6 AU - 11.34 AU

Year: 22592 Days

Day: 16.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,126,053 km

• M1: 50,863 km (0.095 R)
• M2: 216,019 km (0.041 R)
• M3: 345,870 km (0.097 R)
• M4: 1,280,109 km (0.096 R)
• M5: 2,061,907 km (0.119 R)
• M6: 2,281,517 km (0.103 R)
• M7: 2,716,249 km (0.11 R)
• M8: 3,290,555 km (0.11 R)
• M9: 5,211,541 km (0.06 R)
• M10: 9,144,768 km (0.117 R)
• M11: 10,543,808 km (0.074 R)
• M12: 11,260,830 km (0.042 R)
• M13: 12,149,441 km (0.12 R)
• M14: 13,910,956 km (0.064 R)
• M15: 18,667,869 km (0.058 R)
• M16: 19,043,959 km (0.11 R)
• M17: 21,408,054 km (0.116 R)
• M18: 26,471,642 km (0.12 R)
• M19: 26,708,306 km (0.083 R)
• M20: 30,819,555 km (0.101 R)
• M21: 31,477,038 km (0.089 R)
• M22: 35,047,640 km (0.082 R)
• M23: 35,332,923 km (0.112 R)
• M24: 42,979,917 km (0.072 R)
• M25: 45,641,712 km (0.071 R)
• M26: 45,811,655 km (0.107 R)
• M27: 49,478,149 km (0.096 R)
• M28: 50,924,910 km (0.117 R)
• M29: 55,821,099 km (0.049 R)
• M30: 59,997,572 km (0.096 R)
• M31: 64,805,498 km (0.114 R)
• M32: 66,754,609 km (0.106 R)
• M33: 68,075,558 km (0.112 R)
• M34: 69,413,861 km (0.055 R)
• M35: 82,005,065 km (0.037 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 20,093 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit