🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.4

Radius: 9.5

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.57 AU - 0.61 AU

Year: 307 Days

Day: 7 Hours

Environment

Temp: -149 °C

Axial Tilt: 176.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,460,151 km

• M1: 118,182 km (0.119 R)
• M2: 422,614 km (0.04 R)
• M3: 722,109 km (0.077 R)
• M4: 1,063,790 km (0.07 R)
• M5: 1,554,023 km (0.047 R)
• M6: 1,893,909 km (0.116 R)
• M7: 2,198,191 km (0.119 R)
• M8: 2,591,783 km (0.065 R)
• M9: 3,510,015 km (0.105 R)
• M10: 3,897,773 km (0.076 R)
• M11: 4,463,851 km (0.108 R)
• M12: 4,759,755 km (0.077 R)
• M13: 5,068,825 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.9

Radius: 13.7

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.72 AU - 1.14 AU

Year: 608 Days

Day: 8.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,460,151 km

• M1: 170,392 km (0.107 R)
• M2: 749,336 km (0.092 R)
• M3: 1,234,033 km (0.09 R)
• M4: 1,803,103 km (0.082 R)
• M5: 2,337,766 km (0.055 R)
• M6: 2,955,306 km (0.072 R)
• M7: 3,746,828 km (0.093 R)
• M8: 4,385,013 km (0.075 R)
• M9: 5,178,330 km (0.104 R)
• M10: 5,663,177 km (0.111 R)
• M11: 6,254,388 km (0.093 R)
• M12: 6,866,393 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.8

Radius: 9.7

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.38 AU - 1.7 AU

Year: 1296 Days

Day: 9.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,460,151 km

• M1: 120,576 km (0.105 R)
• M2: 452,982 km (0.114 R)
• M3: 1,068,727 km (0.118 R)
• M4: 1,385,127 km (0.099 R)
• M5: 1,716,187 km (0.109 R)
• M6: 2,111,724 km (0.1 R)
• M7: 2,554,982 km (0.11 R)
• M8: 2,902,947 km (0.084 R)
• M9: 3,564,468 km (0.101 R)
• M10: 5,270,333 km (0.081 R)
• M11: 6,043,754 km (0.103 R)
• M12: 6,494,343 km (0.101 R)
• M13: 7,199,248 km (0.107 R)
• M14: 7,570,251 km (0.102 R)
• M15: 8,910,498 km (0.109 R)
• M16: 10,039,364 km (0.096 R)
• M17: 11,367,045 km (0.109 R)
• M18: 11,689,428 km (0.084 R)
• M19: 12,503,091 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146

Radius: 14.9

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.66 AU - 1.78 AU

Year: 1530 Days

Day: 14.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,460,151 km

• M1: 186,399 km (0.11 R)
• M2: 741,108 km (0.039 R)
• M3: 1,240,914 km (0.075 R)
• M4: 1,846,187 km (0.119 R)
• M5: 2,333,428 km (0.074 R)
• M6: 3,248,518 km (0.115 R)
• M7: 4,013,412 km (0.095 R)
• M8: 4,566,924 km (0.119 R)
• M9: 5,402,428 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.3

Radius: 8.5

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.14 AU - 3.22 AU

Year: 2976 Days

Day: 7.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,460,151 km

• M1: 105,766 km (0.106 R)
• M2: 397,781 km (0.108 R)
• M3: 692,040 km (0.109 R)
• M4: 1,103,883 km (0.063 R)
• M5: 1,406,968 km (0.094 R)
• M6: 1,684,921 km (0.101 R)
• M7: 2,185,774 km (0.08 R)
• M8: 2,655,063 km (0.07 R)
• M9: 2,964,581 km (0.112 R)
• M10: 3,280,083 km (0.091 R)
• M11: 3,775,401 km (0.113 R)
• M12: 4,726,545 km (0.118 R)
• M13: 5,435,788 km (0.097 R)
• M14: 6,498,831 km (0.106 R)
• M15: 7,095,128 km (0.117 R)
• M16: 7,597,926 km (0.073 R)
• M17: 8,430,887 km (0.093 R)
• M18: 10,717,341 km (0.075 R)
• M19: 12,922,862 km (0.077 R)
• M20: 13,530,230 km (0.112 R)
• M21: 15,157,256 km (0.095 R)
• M22: 16,151,035 km (0.059 R)
• M23: 16,636,630 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.6

Radius: 8

Gravity: 12.49 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.01 AU - 4.89 AU

Year: 5325 Days

Day: 7 Hours

Environment

Temp: -224 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,460,151 km

• M1: 99,483 km (0.091 R)
• M2: 562,189 km (0.113 R)
• M3: 922,420 km (0.03 R)
• M4: 1,927,718 km (0.104 R)
• M5: 2,183,531 km (0.085 R)
• M6: 3,553,398 km (0.11 R)
• M7: 3,917,519 km (0.086 R)
• M8: 4,433,034 km (0.068 R)
• M9: 5,509,690 km (0.078 R)
• M10: 8,643,615 km (0.093 R)
• M11: 9,864,484 km (0.1 R)
• M12: 10,631,472 km (0.085 R)
• M13: 12,800,791 km (0.109 R)
• M14: 13,767,791 km (0.075 R)
• M15: 14,840,558 km (0.04 R)
• M16: 15,846,603 km (0.095 R)
• M17: 16,212,220 km (0.073 R)
• M18: 18,059,904 km (0.101 R)
• M19: 20,687,740 km (0.117 R)
• M20: 21,051,562 km (0.1 R)
• M21: 21,345,522 km (0.12 R)
• M22: 30,455,583 km (0.047 R)
• M23: 32,076,327 km (0.108 R)
• M24: 32,368,192 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.6

Radius: 7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.54 AU - 6.1 AU

Year: 9523 Days

Day: 15.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,460,151 km

• M1: 87,365 km (0.115 R)
• M2: 328,966 km (0.102 R)
• M3: 588,967 km (0.057 R)
• M4: 907,610 km (0.111 R)
• M5: 1,140,534 km (0.101 R)
• M6: 1,572,274 km (0.118 R)
• M7: 2,079,560 km (0.11 R)
• M8: 2,317,271 km (0.027 R)
• M9: 2,573,083 km (0.07 R)
• M10: 3,355,929 km (0.09 R)
• M11: 4,626,015 km (0.115 R)
• M12: 5,804,846 km (0.082 R)
• M13: 8,552,211 km (0.06 R)
• M14: 8,894,192 km (0.116 R)
• M15: 11,642,454 km (0.105 R)
• M16: 12,445,047 km (0.069 R)
• M17: 13,334,556 km (0.105 R)
• M18: 21,539,251 km (0.061 R)
• M19: 23,329,938 km (0.077 R)
• M20: 26,000,559 km (0.091 R)

Asteroid Belt

Center: 6.73 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.9

Radius: 3.1

Gravity: 66.59 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.81 AU - 9.45 AU

Year: 14295 Days

Day: 21.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,460,151 km

• M1: 39,494 km (0.101 R)
• M2: 205,099 km (0.085 R)
• M3: 368,011 km (0.081 R)
• M4: 472,430 km (0.112 R)
• M5: 880,683 km (0.098 R)
• M6: 1,144,424 km (0.042 R)
• M7: 1,579,604 km (0.056 R)
• M8: 1,707,959 km (0.091 R)
• M9: 1,878,201 km (0.112 R)
• M10: 2,542,865 km (0.116 R)
• M11: 3,273,501 km (0.118 R)
• M12: 4,133,988 km (0.075 R)
• M13: 5,065,833 km (0.053 R)
• M14: 6,817,624 km (0.074 R)
• M15: 14,268,944 km (0.038 R)
• M16: 14,826,047 km (0.116 R)
• M17: 15,109,983 km (0.097 R)
• M18: 16,736,711 km (0.078 R)
• M19: 17,592,111 km (0.103 R)
• M20: 22,217,528 km (0.082 R)
• M21: 34,757,270 km (0.036 R)
• M22: 40,532,645 km (0.061 R)
• M23: 41,506,827 km (0.084 R)
• M24: 51,146,166 km (0.116 R)
• M25: 54,607,262 km (0.083 R)
• M26: 58,045,470 km (0.109 R)
• M27: 58,220,948 km (0.062 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 15,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit