🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.7

Radius: 9.7

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.2 AU - 1.64 AU

Year: 1093 Days

Day: 8.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,780,015 km

• M1: 120,576 km (0.069 R)
• M2: 435,180 km (0.095 R)
• M3: 813,812 km (0.069 R)
• M4: 1,689,409 km (0.081 R)
• M5: 2,855,225 km (0.114 R)
• M6: 4,364,967 km (0.063 R)
• M7: 6,077,413 km (0.069 R)
• M8: 6,792,491 km (0.119 R)
• M9: 8,472,924 km (0.08 R)
• M10: 8,782,442 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.4

Radius: 8.6

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.31 AU - 1.61 AU

Year: 1139 Days

Day: 6.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,780,015 km

• M1: 106,962 km (0.072 R)
• M2: 462,108 km (0.032 R)
• M3: 773,271 km (0.026 R)
• M4: 1,206,208 km (0.109 R)
• M5: 1,508,695 km (0.112 R)
• M6: 1,804,450 km (0.093 R)
• M7: 2,907,584 km (0.107 R)
• M8: 3,414,871 km (0.105 R)
• M9: 3,816,990 km (0.119 R)
• M10: 5,708,056 km (0.056 R)
• M11: 6,412,064 km (0.083 R)
• M12: 7,626,200 km (0.04 R)
• M13: 8,730,831 km (0.069 R)
• M14: 9,425,115 km (0.118 R)
• M15: 10,186,867 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.9

Radius: 8.7

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.24 AU - 1.82 AU

Year: 1222 Days

Day: 8 Hours

Environment

Temp: -176 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,780,015 km

• M1: 108,309 km (0.059 R)
• M2: 690,394 km (0.118 R)
• M3: 1,296,266 km (0.055 R)
• M4: 1,844,691 km (0.114 R)
• M5: 2,276,132 km (0.118 R)
• M6: 2,902,498 km (0.118 R)
• M7: 3,639,267 km (0.089 R)
• M8: 4,117,981 km (0.1 R)
• M9: 4,674,335 km (0.048 R)
• M10: 5,642,981 km (0.108 R)
• M11: 7,363,207 km (0.084 R)
• M12: 8,976,919 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.1

Radius: 13.5

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.46 AU - 2.22 AU

Year: 1612 Days

Day: 11.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,780,015 km

• M1: 167,998 km (0.108 R)
• M2: 730,337 km (0.047 R)
• M3: 1,361,041 km (0.1 R)
• M4: 2,594,476 km (0.076 R)
• M5: 3,335,135 km (0.112 R)
• M6: 4,068,464 km (0.099 R)
• M7: 4,988,939 km (0.111 R)
• M8: 5,498,919 km (0.112 R)
• M9: 6,233,294 km (0.112 R)
• M10: 6,877,313 km (0.08 R)
• M11: 7,758,445 km (0.089 R)
• M12: 8,183,153 km (0.105 R)
• M13: 8,743,547 km (0.099 R)
• M14: 9,487,946 km (0.09 R)
• M15: 12,623,218 km (0.095 R)
• M16: 13,534,119 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.2

Radius: 14.7

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.33 AU - 4.21 AU

Year: 4726 Days

Day: 13.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,780,015 km

• M1: 182,958 km (0.1 R)
• M2: 675,285 km (0.085 R)
• M3: 1,276,967 km (0.071 R)
• M4: 1,950,457 km (0.117 R)
• M5: 2,431,265 km (0.09 R)
• M6: 2,915,662 km (0.033 R)
• M7: 3,380,014 km (0.076 R)
• M8: 5,240,713 km (0.103 R)
• M9: 6,316,022 km (0.072 R)
• M10: 7,073,885 km (0.108 R)
• M11: 9,821,998 km (0.104 R)
• M12: 13,218,019 km (0.097 R)
• M13: 13,963,166 km (0.104 R)
• M14: 14,551,684 km (0.112 R)
• M15: 15,537,534 km (0.106 R)
• M16: 16,517,251 km (0.097 R)
• M17: 17,537,957 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.7

Radius: 14.6

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.39 AU - 4.53 AU

Year: 5088 Days

Day: 9.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,780,015 km

• M1: 181,612 km (0.055 R)
• M2: 731,683 km (0.083 R)
• M3: 2,327,444 km (0.102 R)
• M4: 3,551,154 km (0.094 R)
• M5: 4,101,525 km (0.089 R)
• M6: 4,859,088 km (0.112 R)
• M7: 5,659,886 km (0.057 R)
• M8: 6,233,145 km (0.079 R)
• M9: 7,095,128 km (0.093 R)
• M10: 7,883,060 km (0.053 R)
• M11: 8,408,747 km (0.095 R)
• M12: 9,359,591 km (0.11 R)
• M13: 11,051,842 km (0.103 R)
• M14: 11,632,581 km (0.101 R)
• M15: 12,397,624 km (0.056 R)
• M16: 14,525,953 km (0.106 R)
• M17: 17,400,028 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.4

Radius: 8.2

Gravity: 13.47 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.68 AU - 6.04 AU

Year: 8012 Days

Day: 13 Hours

Environment

Temp: -212 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,780,015 km

• M1: 102,026 km (0.12 R)
• M2: 486,343 km (0.1 R)
• M3: 800,947 km (0.089 R)
• M4: 1,085,333 km (0.118 R)
• M5: 1,758,822 km (0.103 R)
• M6: 3,021,578 km (0.082 R)
• M7: 3,314,790 km (0.115 R)
• M8: 4,038,245 km (0.103 R)
• M9: 4,595,946 km (0.1 R)
• M10: 5,109,366 km (0.061 R)
• M11: 5,829,829 km (0.086 R)
• M12: 6,653,814 km (0.073 R)
• M13: 7,192,067 km (0.09 R)
• M14: 9,401,029 km (0.091 R)
• M15: 10,736,938 km (0.114 R)
• M16: 11,640,510 km (0.107 R)
• M17: 12,479,006 km (0.029 R)
• M18: 13,118,985 km (0.094 R)
• M19: 16,931,337 km (0.089 R)
• M20: 17,933,643 km (0.107 R)
• M21: 19,587,896 km (0.032 R)
• M22: 21,015,210 km (0.118 R)
• M23: 23,986,373 km (0.114 R)
• M24: 30,747,299 km (0.058 R)
• M25: 37,111,791 km (0.074 R)
• M26: 38,555,111 km (0.071 R)
• M27: 41,425,446 km (0.044 R)
• M28: 44,167,874 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.4

Radius: 7.6

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.24 AU - 6.7 AU

Year: 10626 Days

Day: 15.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,780,015 km

• M1: 94,546 km (0.1 R)
• M2: 383,270 km (0.074 R)
• M3: 634,445 km (0.106 R)
• M4: 1,042,248 km (0.037 R)
• M5: 1,448,855 km (0.101 R)
• M6: 2,787,158 km (0.083 R)
• M7: 3,650,188 km (0.081 R)
• M8: 5,546,341 km (0.03 R)
• M9: 6,552,686 km (0.111 R)
• M10: 7,179,800 km (0.03 R)
• M11: 7,675,867 km (0.082 R)
• M12: 8,828,967 km (0.109 R)
• M13: 9,301,846 km (0.064 R)
• M14: 12,797,350 km (0.052 R)
• M15: 13,775,720 km (0.073 R)
• M16: 16,018,641 km (0.097 R)
• M17: 17,519,556 km (0.079 R)
• M18: 18,878,802 km (0.117 R)
• M19: 23,198,291 km (0.029 R)
• M20: 25,681,616 km (0.082 R)
• M21: 26,450,100 km (0.066 R)
• M22: 28,847,705 km (0.03 R)
• M23: 32,598,274 km (0.095 R)
• M24: 36,300,821 km (0.096 R)
• M25: 39,002,858 km (0.074 R)
• M26: 39,635,208 km (0.085 R)
• M27: 41,704,595 km (0.107 R)
• M28: 42,632,102 km (0.113 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: 524 - 11,611 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit