🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.7

Radius: 10.8

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.49 AU - 0.61 AU

Year: 287 Days

Day: 5.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,544,807 km

• M1: 134,339 km (0.088 R)
• M2: 571,913 km (0.112 R)
• M3: 983,307 km (0.111 R)
• M4: 1,343,987 km (0.037 R)
• M5: 1,739,524 km (0.096 R)
• M6: 2,141,643 km (0.069 R)
• M7: 2,534,338 km (0.078 R)
• M8: 3,004,823 km (0.094 R)
• M9: 3,357,724 km (0.098 R)
• M10: 3,903,308 km (0.097 R)
• M11: 4,402,516 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.5

Radius: 11.6

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.73 AU - 0.83 AU

Year: 484 Days

Day: 13.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 150.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,544,807 km

• M1: 144,362 km (0.063 R)
• M2: 581,637 km (0.109 R)
• M3: 1,012,329 km (0.08 R)
• M4: 1,458,878 km (0.065 R)
• M5: 1,857,557 km (0.094 R)
• M6: 2,414,061 km (0.072 R)
• M7: 3,568,059 km (0.102 R)
• M8: 4,052,756 km (0.118 R)
• M9: 4,419,420 km (0.041 R)
• M10: 4,979,664 km (0.058 R)
• M11: 5,829,231 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.1

Radius: 14.5

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.98 AU - 1.52 AU

Year: 982 Days

Day: 11.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,544,807 km

• M1: 180,864 km (0.064 R)
• M2: 682,465 km (0.099 R)
• M3: 1,224,758 km (0.09 R)
• M4: 1,791,135 km (0.086 R)
• M5: 2,249,952 km (0.115 R)
• M6: 2,839,218 km (0.091 R)
• M7: 4,130,248 km (0.101 R)
• M8: 5,293,969 km (0.097 R)
• M9: 5,996,032 km (0.038 R)
• M10: 6,482,824 km (0.035 R)
• M11: 8,841,384 km (0.103 R)
• M12: 10,323,151 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.7

Radius: 12.2

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.48 AU - 2.82 AU

Year: 3032 Days

Day: 13.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,544,807 km

• M1: 151,692 km (0.107 R)
• M2: 698,173 km (0.119 R)
• M3: 1,227,899 km (0.11 R)
• M4: 1,931,608 km (0.038 R)
• M5: 3,907,796 km (0.086 R)
• M6: 4,615,842 km (0.099 R)
• M7: 5,227,099 km (0.053 R)
• M8: 6,763,021 km (0.072 R)
• M9: 8,368,505 km (0.106 R)
• M10: 9,317,105 km (0.12 R)
• M11: 9,856,854 km (0.087 R)
• M12: 10,295,475 km (0.099 R)
• M13: 10,747,261 km (0.087 R)
• M14: 13,159,825 km (0.107 R)
• M15: 14,188,909 km (0.104 R)
• M16: 14,800,615 km (0.084 R)
• M17: 15,589,893 km (0.105 R)
• M18: 17,715,230 km (0.069 R)
• M19: 19,276,434 km (0.115 R)
• M20: 21,387,708 km (0.068 R)
• M21: 22,947,565 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.2

Radius: 8.5

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.54 AU - 2.84 AU

Year: 3101 Days

Day: 8.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,544,807 km

• M1: 105,766 km (0.069 R)
• M2: 745,895 km (0.059 R)
• M3: 1,061,397 km (0.037 R)
• M4: 1,700,180 km (0.087 R)
• M5: 2,435,902 km (0.069 R)
• M6: 3,781,984 km (0.057 R)
• M7: 4,878,536 km (0.119 R)
• M8: 5,728,102 km (0.112 R)
• M9: 6,202,477 km (0.089 R)
• M10: 7,072,239 km (0.046 R)
• M11: 8,021,139 km (0.118 R)
• M12: 9,465,656 km (0.063 R)
• M13: 10,249,698 km (0.088 R)
• M14: 11,118,712 km (0.067 R)
• M15: 12,955,624 km (0.1 R)
• M16: 13,773,626 km (0.027 R)
• M17: 14,882,744 km (0.093 R)
• M18: 16,656,227 km (0.06 R)
• M19: 17,277,507 km (0.106 R)
• M20: 17,914,195 km (0.047 R)
• M21: 18,208,754 km (0.066 R)
• M22: 18,626,431 km (0.045 R)
• M23: 19,357,516 km (0.097 R)
• M24: 21,202,955 km (0.116 R)
• M25: 22,134,501 km (0.103 R)
• M26: 23,023,711 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.5

Radius: 15

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.25 AU - 3.71 AU

Year: 4563 Days

Day: 11.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,544,807 km

• M1: 186,698 km (0.082 R)
• M2: 805,136 km (0.102 R)
• M3: 1,384,528 km (0.069 R)
• M4: 2,303,807 km (0.106 R)
• M5: 3,044,317 km (0.11 R)
• M6: 4,391,745 km (0.037 R)
• M7: 5,109,066 km (0.045 R)
• M8: 5,592,866 km (0.117 R)
• M9: 6,437,496 km (0.045 R)
• M10: 7,133,724 km (0.059 R)
• M11: 8,092,198 km (0.078 R)
• M12: 9,770,237 km (0.097 R)
• M13: 10,734,994 km (0.033 R)
• M14: 12,708,190 km (0.05 R)
• M15: 14,012,833 km (0.079 R)
• M16: 15,239,984 km (0.106 R)
• M17: 16,479,701 km (0.096 R)
• M18: 17,907,763 km (0.117 R)
• M19: 19,288,102 km (0.102 R)
• M20: 21,698,274 km (0.072 R)
• M21: 22,687,714 km (0.119 R)
• M22: 23,266,508 km (0.114 R)
• M23: 24,378,319 km (0.063 R)
• M24: 25,215,918 km (0.117 R)
• M25: 27,110,126 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.7

Radius: 13.4

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.18 AU - 5.46 AU

Year: 8625 Days

Day: 11.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,544,807 km

• M1: 167,250 km (0.058 R)
• M2: 1,196,035 km (0.084 R)
• M3: 1,845,888 km (0.081 R)
• M4: 2,498,135 km (0.116 R)
• M5: 4,099,281 km (0.083 R)
• M6: 5,683,373 km (0.092 R)
• M7: 7,354,680 km (0.046 R)
• M8: 8,016,651 km (0.06 R)
• M9: 9,545,092 km (0.048 R)
• M10: 10,790,046 km (0.096 R)
• M11: 13,546,985 km (0.081 R)
• M12: 14,713,848 km (0.118 R)
• M13: 15,528,409 km (0.113 R)
• M14: 16,743,742 km (0.071 R)
• M15: 20,699,259 km (0.115 R)
• M16: 21,870,910 km (0.036 R)
• M17: 25,651,397 km (0.085 R)
• M18: 26,660,585 km (0.11 R)
• M19: 29,027,821 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.9

Radius: 7.4

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.74 AU - 9.07 AU

Year: 14150 Days

Day: 15.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,544,807 km

• M1: 102,175 km (0.071 R)
• M2: 399,576 km (0.103 R)
• M3: 775,665 km (0.092 R)
• M4: 1,305,391 km (0.066 R)
• M5: 2,136,108 km (0.071 R)
• M6: 3,786,322 km (0.063 R)
• M7: 8,949,543 km (0.079 R)
• M8: 13,224,901 km (0.115 R)
• M9: 15,298,028 km (0.066 R)
• M10: 16,905,307 km (0.1 R)
• M11: 18,410,112 km (0.06 R)
• M12: 25,413,237 km (0.075 R)
• M13: 30,132,452 km (0.102 R)
• M14: 34,006,438 km (0.074 R)
• M15: 35,078,457 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 14,288 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit