🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

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: 615.4

Radius: 9.8

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.85 AU - 1.21 AU

Year: 722 Days

Day: 8.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,112,234 km

• M1: 121,922 km (0.064 R)
• M2: 432,188 km (0.084 R)
• M3: 740,809 km (0.111 R)
• M4: 1,114,654 km (0.052 R)
• M5: 1,435,242 km (0.099 R)
• M6: 1,844,093 km (0.062 R)
• M7: 2,172,011 km (0.081 R)
• M8: 2,485,569 km (0.093 R)
• M9: 3,256,446 km (0.046 R)
• M10: 3,573,594 km (0.106 R)
• M11: 4,301,687 km (0.101 R)
• M12: 4,717,868 km (0.098 R)
• M13: 5,073,313 km (0.107 R)
• M14: 5,705,962 km (0.108 R)
• M15: 6,595,471 km (0.033 R)
• M16: 7,461,343 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.9

Radius: 15

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.27 AU - 1.83 AU

Year: 1332 Days

Day: 7.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,112,234 km

• M1: 187,745 km (0.098 R)
• M2: 676,033 km (0.08 R)
• M3: 1,655,600 km (0.092 R)
• M4: 2,527,755 km (0.077 R)
• M5: 3,202,890 km (0.11 R)
• M6: 3,807,715 km (0.065 R)
• M7: 4,818,697 km (0.109 R)
• M8: 5,661,681 km (0.101 R)
• M9: 6,576,322 km (0.079 R)
• M10: 7,807,363 km (0.117 R)
• M11: 8,375,835 km (0.119 R)
• M12: 8,941,465 km (0.113 R)
• M13: 9,886,624 km (0.089 R)
• M14: 12,125,207 km (0.079 R)
• M15: 13,604,580 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365

Radius: 14.1

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.07 AU - 2.21 AU

Year: 2161 Days

Day: 11.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,112,234 km

• M1: 176,974 km (0.107 R)
• M2: 825,481 km (0.063 R)
• M3: 2,788,654 km (0.116 R)
• M4: 3,280,981 km (0.097 R)
• M5: 3,952,675 km (0.115 R)
• M6: 4,854,301 km (0.041 R)
• M7: 5,572,969 km (0.07 R)
• M8: 7,223,632 km (0.082 R)
• M9: 8,307,020 km (0.045 R)
• M10: 9,688,556 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.4

Radius: 11.6

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.73 AU - 3.19 AU

Year: 3515 Days

Day: 6 Hours

Environment

Temp: -217 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,112,234 km

• M1: 144,811 km (0.038 R)
• M2: 579,542 km (0.06 R)
• M3: 1,013,974 km (0.117 R)
• M4: 1,380,190 km (0.101 R)
• M5: 2,499,930 km (0.065 R)
• M6: 2,905,340 km (0.075 R)
• M7: 3,298,334 km (0.12 R)
• M8: 4,371,699 km (0.109 R)
• M9: 5,114,751 km (0.12 R)
• M10: 5,477,077 km (0.105 R)
• M11: 5,940,232 km (0.062 R)
• M12: 7,229,467 km (0.079 R)
• M13: 9,177,530 km (0.115 R)
• M14: 9,597,900 km (0.084 R)
• M15: 9,991,193 km (0.041 R)
• M16: 10,354,417 km (0.095 R)
• M17: 11,629,290 km (0.089 R)
• M18: 12,304,724 km (0.118 R)
• M19: 12,675,428 km (0.119 R)
• M20: 13,783,349 km (0.106 R)
• M21: 16,301,979 km (0.044 R)
• M22: 19,800,176 km (0.097 R)
• M23: 20,698,212 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.5

Radius: 3.9

Gravity: 26.53 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.8 AU - 6.96 AU

Year: 9842 Days

Day: 20.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,112,234 km

• M1: 48,470 km (0.031 R)
• M2: 230,082 km (0.036 R)
• M3: 482,902 km (0.098 R)
• M4: 654,191 km (0.105 R)
• M5: 1,254,528 km (0.083 R)
• M6: 1,462,469 km (0.1 R)
• M7: 1,650,813 km (0.118 R)
• M8: 2,865,996 km (0.118 R)
• M9: 3,053,891 km (0.118 R)
• M10: 3,571,200 km (0.108 R)
• M11: 4,357,936 km (0.101 R)
• M12: 4,578,443 km (0.095 R)
• M13: 5,696,388 km (0.033 R)
• M14: 7,059,224 km (0.063 R)
• M15: 8,754,617 km (0.043 R)
• M16: 9,466,254 km (0.054 R)
• M17: 9,883,034 km (0.072 R)
• M18: 10,953,107 km (0.078 R)
• M19: 12,044,573 km (0.107 R)
• M20: 12,644,311 km (0.101 R)
• M21: 13,036,108 km (0.118 R)
• M22: 13,785,294 km (0.116 R)
• M23: 14,931,064 km (0.084 R)
• M24: 15,305,657 km (0.111 R)
• M25: 15,686,683 km (0.091 R)
• M26: 16,138,917 km (0.091 R)
• M27: 18,035,370 km (0.12 R)
• M28: 18,603,393 km (0.119 R)
• M29: 25,747,738 km (0.08 R)
• M30: 27,292,935 km (0.067 R)
• M31: 28,420,155 km (0.037 R)
• M32: 33,878,083 km (0.113 R)
• M33: 34,200,317 km (0.091 R)
• M34: 36,738,694 km (0.106 R)
• M35: 37,535,452 km (0.106 R)
• M36: 37,765,085 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843.2

Radius: 8

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.38 AU - 9.1 AU

Year: 14864 Days

Day: 21.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,112,234 km

• M1: 99,483 km (0.056 R)
• M2: 489,035 km (0.083 R)
• M3: 745,147 km (0.039 R)
• M4: 1,385,426 km (0.074 R)
• M5: 2,478,538 km (0.101 R)
• M6: 2,914,915 km (0.109 R)
• M7: 5,191,794 km (0.117 R)
• M8: 6,903,493 km (0.119 R)
• M9: 7,487,673 km (0.098 R)
• M10: 8,251,370 km (0.051 R)
• M11: 10,215,291 km (0.046 R)
• M12: 13,134,095 km (0.095 R)
• M13: 13,750,438 km (0.114 R)
• M14: 14,893,366 km (0.115 R)
• M15: 15,188,672 km (0.101 R)
• M16: 19,305,904 km (0.073 R)
• M17: 20,554,299 km (0.079 R)
• M18: 21,384,716 km (0.077 R)
• M19: 22,045,939 km (0.069 R)
• M20: 25,138,725 km (0.104 R)
• M21: 26,517,719 km (0.111 R)
• M22: 30,479,968 km (0.109 R)
• M23: 32,663,648 km (0.096 R)
• M24: 35,734,593 km (0.103 R)
• M25: 43,038,111 km (0.049 R)
• M26: 44,548,152 km (0.053 R)
• M27: 45,781,287 km (0.057 R)
• M28: 54,531,715 km (0.084 R)
• M29: 58,286,472 km (0.092 R)
• M30: 62,401,161 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.8

Radius: 4.4

Gravity: 15.69 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.86 AU - 10.06 AU

Year: 18513 Days

Day: 15.2 Hours

Environment

Temp: -244 °C

Axial Tilt: 68.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,112,234 km

• M1: 55,052 km (0.114 R)
• M2: 215,720 km (0.074 R)
• M3: 1,150,557 km (0.097 R)
• M4: 1,526,497 km (0.114 R)
• M5: 1,726,958 km (0.09 R)
• M6: 2,143,289 km (0.114 R)
• M7: 2,644,890 km (0.048 R)
• M8: 3,961,501 km (0.057 R)
• M9: 4,221,802 km (0.047 R)
• M10: 6,732,503 km (0.066 R)
• M11: 7,103,356 km (0.118 R)
• M12: 8,021,737 km (0.109 R)
• M13: 9,932,401 km (0.081 R)
• M14: 13,367,916 km (0.081 R)
• M15: 14,623,491 km (0.106 R)
• M16: 16,319,183 km (0.034 R)
• M17: 17,984,806 km (0.084 R)
• M18: 19,760,383 km (0.104 R)
• M19: 20,949,237 km (0.088 R)
• M20: 21,209,986 km (0.106 R)
• M21: 22,005,548 km (0.087 R)
• M22: 23,189,316 km (0.115 R)
• M23: 24,607,204 km (0.095 R)
• M24: 28,669,086 km (0.104 R)
• M25: 32,339,170 km (0.053 R)
• M26: 33,510,222 km (0.106 R)
• M27: 39,526,450 km (0.097 R)
• M28: 41,681,408 km (0.099 R)
• M29: 44,914,517 km (0.097 R)
• M30: 45,930,735 km (0.106 R)
• M31: 46,223,797 km (0.101 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 17,528 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit