🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.8

Radius: 10.7

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.96 AU - 0.98 AU

Year: 659 Days

Day: 8.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,036,953 km

• M1: 133,142 km (0.096 R)
• M2: 491,728 km (0.108 R)
• M3: 875,746 km (0.068 R)
• M4: 1,412,503 km (0.081 R)
• M5: 2,187,570 km (0.09 R)
• M6: 3,951,628 km (0.106 R)
• M7: 4,626,763 km (0.074 R)
• M8: 5,190,448 km (0.073 R)
• M9: 6,093,570 km (0.106 R)
• M10: 6,475,045 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.5

Radius: 13.1

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.9 AU - 1.14 AU

Year: 711 Days

Day: 14.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,036,953 km

• M1: 163,660 km (0.098 R)
• M2: 580,141 km (0.087 R)
• M3: 989,291 km (0.11 R)
• M4: 1,422,825 km (0.045 R)
• M5: 2,026,453 km (0.113 R)
• M6: 2,514,142 km (0.069 R)
• M7: 2,973,258 km (0.1 R)
• M8: 3,571,948 km (0.065 R)
• M9: 3,984,689 km (0.117 R)
• M10: 4,513,667 km (0.113 R)
• M11: 5,244,901 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.1

Radius: 9.3

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.28 AU - 2.06 AU

Year: 1490 Days

Day: 11.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,036,953 km

• M1: 115,789 km (0.098 R)
• M2: 760,107 km (0.047 R)
• M3: 1,110,166 km (0.085 R)
• M4: 1,597,855 km (0.079 R)
• M5: 2,112,172 km (0.117 R)
• M6: 3,602,616 km (0.09 R)
• M7: 4,043,780 km (0.066 R)
• M8: 4,458,914 km (0.075 R)
• M9: 4,772,920 km (0.104 R)
• M10: 5,569,080 km (0.11 R)
• M11: 6,141,142 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.3

Radius: 13.8

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.5 AU - 2 AU

Year: 1598 Days

Day: 6.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,036,953 km

• M1: 171,589 km (0.068 R)
• M2: 636,090 km (0.088 R)
• M3: 1,072,168 km (0.065 R)
• M4: 1,617,003 km (0.083 R)
• M5: 2,322,208 km (0.051 R)
• M6: 3,538,289 km (0.079 R)
• M7: 4,242,745 km (0.044 R)
• M8: 4,998,214 km (0.081 R)
• M9: 5,661,382 km (0.109 R)
• M10: 7,138,362 km (0.085 R)
• M11: 8,037,744 km (0.107 R)
• M12: 9,735,381 km (0.115 R)
• M13: 10,806,950 km (0.12 R)
• M14: 11,264,271 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.9

Radius: 9.5

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.47 AU - 3.11 AU

Year: 3217 Days

Day: 5.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 157.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,036,953 km

• M1: 118,182 km (0.1 R)
• M2: 441,912 km (0.098 R)
• M3: 836,551 km (0.111 R)
• M4: 1,257,520 km (0.088 R)
• M5: 1,573,321 km (0.108 R)
• M6: 2,316,822 km (0.054 R)
• M7: 2,738,539 km (0.094 R)
• M8: 4,060,236 km (0.097 R)
• M9: 5,029,480 km (0.086 R)
• M10: 5,765,053 km (0.117 R)
• M11: 8,468,885 km (0.089 R)
• M12: 8,795,457 km (0.117 R)
• M13: 9,578,602 km (0.09 R)
• M14: 10,556,523 km (0.088 R)
• M15: 10,897,008 km (0.094 R)
• M16: 12,043,825 km (0.093 R)
• M17: 12,373,988 km (0.036 R)
• M18: 17,443,411 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194

Radius: 8.2

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.06 AU - 3.36 AU

Year: 3970 Days

Day: 5.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,036,953 km

• M1: 102,026 km (0.053 R)
• M2: 465,100 km (0.118 R)
• M3: 743,053 km (0.091 R)
• M4: 1,258,268 km (0.092 R)
• M5: 1,725,611 km (0.112 R)
• M6: 2,053,979 km (0.098 R)
• M7: 2,451,012 km (0.099 R)
• M8: 4,168,993 km (0.078 R)
• M9: 4,490,928 km (0.115 R)
• M10: 4,764,842 km (0.071 R)
• M11: 6,049,289 km (0.1 R)
• M12: 6,703,630 km (0.099 R)
• M13: 7,346,602 km (0.093 R)
• M14: 8,153,084 km (0.088 R)
• M15: 8,787,678 km (0.037 R)
• M16: 10,554,579 km (0.083 R)
• M17: 11,002,475 km (0.085 R)
• M18: 16,057,536 km (0.028 R)
• M19: 16,851,003 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.4

Radius: 7.6

Gravity: 14.84 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.36 AU - 9.12 AU

Year: 14864 Days

Day: 16 Hours

Environment

Temp: -234 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 29,036,953 km

• M1: 592,707 km (0.095 R)
• M2: 829,520 km (0.096 R)
• M3: 2,508,906 km (0.059 R)
• M4: 2,758,435 km (0.116 R)
• M5: 3,177,160 km (0.119 R)
• M6: 3,781,086 km (0.115 R)
• M7: 4,394,288 km (0.117 R)
• M8: 4,758,858 km (0.089 R)
• M9: 5,001,356 km (0.048 R)
• M10: 5,511,036 km (0.119 R)
• M11: 6,298,669 km (0.058 R)
• M12: 6,676,703 km (0.058 R)
• M13: 7,249,363 km (0.066 R)
• M14: 9,760,812 km (0.07 R)
• M15: 11,150,876 km (0.096 R)
• M16: 13,203,059 km (0.118 R)
• M17: 13,822,694 km (0.074 R)
• M18: 15,269,305 km (0.058 R)
• M19: 18,206,510 km (0.089 R)
• M20: 19,941,396 km (0.08 R)
• M21: 22,941,881 km (0.082 R)
• M22: 24,652,233 km (0.062 R)
• M23: 25,275,607 km (0.028 R)
• M24: 27,209,010 km (0.101 R)
• M25: 30,647,069 km (0.12 R)
• M26: 42,678,777 km (0.083 R)
• M27: 49,399,311 km (0.053 R)
• M28: 50,556,002 km (0.082 R)
• M29: 57,878,967 km (0.106 R)
• M30: 61,222,480 km (0.113 R)
• M31: 61,982,736 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.9

Radius: 7.2

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.65 AU - 10.95 AU

Year: 18019 Days

Day: 23 Hours

Environment

Temp: -233 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,036,953 km

• M1: 89,609 km (0.088 R)
• M2: 335,249 km (0.073 R)
• M3: 586,723 km (0.12 R)
• M4: 1,257,669 km (0.106 R)
• M5: 1,497,175 km (0.099 R)
• M6: 1,806,693 km (0.09 R)
• M7: 2,311,736 km (0.118 R)
• M8: 3,191,820 km (0.115 R)
• M9: 4,497,510 km (0.12 R)
• M10: 4,931,943 km (0.114 R)
• M11: 5,478,723 km (0.057 R)
• M12: 5,914,651 km (0.102 R)
• M13: 6,279,819 km (0.113 R)
• M14: 7,190,721 km (0.115 R)
• M15: 8,525,882 km (0.082 R)
• M16: 17,124,468 km (0.111 R)
• M17: 19,682,143 km (0.07 R)
• M18: 26,021,802 km (0.077 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 18,094 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit