🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.8

Radius: 12.6

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.74 AU - 0.92 AU

Year: 481 Days

Day: 6.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,805,234 km

• M1: 156,629 km (0.066 R)
• M2: 579,093 km (0.039 R)
• M3: 1,041,650 km (0.112 R)
• M4: 1,466,957 km (0.078 R)
• M5: 2,223,623 km (0.053 R)
• M6: 2,645,040 km (0.058 R)
• M7: 3,155,318 km (0.047 R)
• M8: 3,587,207 km (0.117 R)
• M9: 4,244,241 km (0.117 R)
• M10: 4,757,063 km (0.12 R)
• M11: 5,227,099 km (0.114 R)
• M12: 5,962,822 km (0.079 R)
• M13: 6,887,187 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.1

Radius: 8.4

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.76 AU - 1.22 AU

Year: 626 Days

Day: 7.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,805,234 km

• M1: 104,569 km (0.114 R)
• M2: 366,066 km (0.091 R)
• M3: 755,918 km (0.1 R)
• M4: 1,230,143 km (0.048 R)
• M5: 1,703,321 km (0.084 R)
• M6: 2,372,173 km (0.116 R)
• M7: 3,048,505 km (0.091 R)
• M8: 3,330,198 km (0.105 R)
• M9: 3,656,022 km (0.101 R)
• M10: 4,060,535 km (0.119 R)
• M11: 4,387,107 km (0.04 R)
• M12: 4,763,495 km (0.095 R)
• M13: 5,246,846 km (0.118 R)
• M14: 5,799,161 km (0.112 R)
• M15: 6,061,107 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510

Radius: 8

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.86 AU - 1.22 AU

Year: 674 Days

Day: 12.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,805,234 km

• M1: 99,483 km (0.113 R)
• M2: 349,909 km (0.116 R)
• M3: 827,127 km (0.119 R)
• M4: 1,192,445 km (0.072 R)
• M5: 1,625,082 km (0.113 R)
• M6: 2,021,965 km (0.096 R)
• M7: 2,431,265 km (0.119 R)
• M8: 2,726,720 km (0.111 R)
• M9: 3,154,271 km (0.058 R)
• M10: 3,747,277 km (0.074 R)
• M11: 4,172,733 km (0.047 R)
• M12: 4,535,957 km (0.075 R)
• M13: 5,222,312 km (0.068 R)
• M14: 5,626,675 km (0.114 R)
• M15: 6,379,302 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374

Radius: 11.9

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.59 AU - 1.79 AU

Year: 1397 Days

Day: 6.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,805,234 km

• M1: 147,952 km (0.053 R)
• M2: 714,180 km (0.087 R)
• M3: 1,095,655 km (0.064 R)
• M4: 1,511,238 km (0.047 R)
• M5: 2,748,262 km (0.11 R)
• M6: 3,699,705 km (0.036 R)
• M7: 4,127,256 km (0.117 R)
• M8: 5,064,038 km (0.101 R)
• M9: 5,756,825 km (0.113 R)
• M10: 6,377,956 km (0.028 R)
• M11: 6,901,847 km (0.114 R)
• M12: 7,678,560 km (0.115 R)
• M13: 8,140,518 km (0.046 R)
• M14: 9,092,110 km (0.112 R)
• M15: 9,697,832 km (0.102 R)
• M16: 10,547,099 km (0.029 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.3

Radius: 10.6

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.54 AU - 2.54 AU

Year: 1853 Days

Day: 11.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,805,234 km

• M1: 133,740 km (0.073 R)
• M2: 525,687 km (0.112 R)
• M3: 1,041,052 km (0.083 R)
• M4: 1,696,889 km (0.069 R)
• M5: 2,351,978 km (0.105 R)
• M6: 2,768,159 km (0.106 R)
• M7: 3,416,666 km (0.102 R)
• M8: 4,361,676 km (0.096 R)
• M9: 4,862,828 km (0.079 R)
• M10: 6,441,984 km (0.086 R)
• M11: 7,639,664 km (0.1 R)
• M12: 8,655,134 km (0.058 R)
• M13: 9,758,269 km (0.106 R)
• M14: 11,218,195 km (0.119 R)
• M15: 12,242,192 km (0.101 R)
• M16: 12,652,240 km (0.091 R)
• M17: 15,688,179 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.7

Radius: 8.1

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.17 AU - 3.43 AU

Year: 3812 Days

Day: 9.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,805,234 km

• M1: 101,128 km (0.12 R)
• M2: 381,774 km (0.104 R)
• M3: 722,707 km (0.115 R)
• M4: 1,564,794 km (0.107 R)
• M5: 1,816,717 km (0.117 R)
• M6: 2,404,337 km (0.108 R)
• M7: 2,681,691 km (0.1 R)
• M8: 3,112,832 km (0.102 R)
• M9: 3,874,734 km (0.12 R)
• M10: 4,384,115 km (0.113 R)
• M11: 4,983,554 km (0.103 R)
• M12: 5,712,395 km (0.072 R)
• M13: 6,849,638 km (0.056 R)
• M14: 7,290,353 km (0.055 R)
• M15: 7,656,269 km (0.113 R)
• M16: 8,794,410 km (0.118 R)
• M17: 10,804,706 km (0.062 R)
• M18: 11,895,873 km (0.1 R)
• M19: 12,403,758 km (0.028 R)
• M20: 12,750,227 km (0.063 R)
• M21: 13,014,416 km (0.062 R)
• M22: 13,327,226 km (0.111 R)
• M23: 14,201,475 km (0.109 R)
• M24: 14,580,856 km (0.08 R)
• M25: 16,424,201 km (0.09 R)
• M26: 16,684,651 km (0.098 R)
• M27: 18,642,288 km (0.112 R)
• M28: 19,327,596 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.6

Radius: 13.4

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.61 AU - 5.73 AU

Year: 7474 Days

Day: 8.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,805,234 km

• M1: 166,652 km (0.085 R)
• M2: 642,822 km (0.114 R)
• M3: 1,343,090 km (0.089 R)
• M4: 2,575,477 km (0.071 R)
• M5: 4,567,672 km (0.107 R)
• M6: 6,293,134 km (0.105 R)
• M7: 7,975,661 km (0.053 R)
• M8: 9,533,274 km (0.053 R)
• M9: 12,639,075 km (0.113 R)
• M10: 14,748,555 km (0.097 R)
• M11: 15,418,753 km (0.067 R)
• M12: 18,234,933 km (0.111 R)
• M13: 20,767,924 km (0.107 R)
• M14: 36,909,086 km (0.074 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: 444 - 12,930 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit