🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.4

Radius: 13.3

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.59 AU - 0.81 AU

Year: 378 Days

Day: 7.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 50,678,975 km

• M1: 165,455 km (0.098 R)
• M2: 667,655 km (0.084 R)
• M3: 1,286,990 km (0.07 R)
• M4: 1,788,742 km (0.097 R)
• M5: 2,299,020 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.1

Radius: 10.6

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.62 AU - 1.04 AU

Year: 488 Days

Day: 10.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,678,975 km

• M1: 131,796 km (0.118 R)
• M2: 537,206 km (0.104 R)
• M3: 891,903 km (0.115 R)
• M4: 1,257,520 km (0.109 R)
• M5: 1,601,296 km (0.117 R)
• M6: 1,931,009 km (0.114 R)
• M7: 2,466,719 km (0.092 R)
• M8: 2,942,141 km (0.102 R)
• M9: 3,340,969 km (0.095 R)
• M10: 3,825,218 km (0.072 R)
• M11: 4,520,100 km (0.086 R)
• M12: 4,979,216 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553

Radius: 13.8

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.07 AU - 1.29 AU

Year: 828 Days

Day: 10.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,678,975 km

• M1: 172,935 km (0.046 R)
• M2: 630,854 km (0.052 R)
• M3: 1,067,231 km (0.103 R)
• M4: 1,685,370 km (0.032 R)
• M5: 2,131,770 km (0.079 R)
• M6: 3,081,567 km (0.118 R)
• M7: 3,536,793 km (0.069 R)
• M8: 4,052,307 km (0.097 R)
• M9: 4,834,854 km (0.036 R)
• M10: 5,811,728 km (0.075 R)
• M11: 6,938,050 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.1

Radius: 9.9

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.03 AU - 1.45 AU

Year: 892 Days

Day: 12.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,678,975 km

• M1: 123,119 km (0.101 R)
• M2: 559,646 km (0.104 R)
• M3: 1,060,350 km (0.093 R)
• M4: 1,419,983 km (0.049 R)
• M5: 1,936,694 km (0.101 R)
• M6: 2,373,819 km (0.104 R)
• M7: 3,939,660 km (0.089 R)
• M8: 4,342,078 km (0.115 R)
• M9: 4,787,730 km (0.095 R)
• M10: 5,825,341 km (0.109 R)
• M11: 6,253,341 km (0.104 R)
• M12: 6,842,906 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.8

Radius: 13.3

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.61 AU - 1.69 AU

Year: 1368 Days

Day: 8.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,678,975 km

• M1: 165,455 km (0.096 R)
• M2: 606,619 km (0.063 R)
• M3: 1,277,267 km (0.094 R)
• M4: 1,770,640 km (0.08 R)
• M5: 2,355,119 km (0.041 R)
• M6: 3,935,172 km (0.09 R)
• M7: 5,065,384 km (0.093 R)
• M8: 5,605,283 km (0.119 R)
• M9: 6,376,908 km (0.087 R)
• M10: 7,033,793 km (0.112 R)
• M11: 8,513,016 km (0.118 R)
• M12: 8,967,046 km (0.115 R)
• M13: 9,533,424 km (0.079 R)
• M14: 10,123,587 km (0.112 R)
• M15: 10,599,308 km (0.082 R)
• M16: 11,196,952 km (0.1 R)
• M17: 12,268,671 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.4

Radius: 8.6

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.92 AU - 6.34 AU

Year: 7502 Days

Day: 14.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,678,975 km

• M1: 107,112 km (0.115 R)
• M2: 488,587 km (0.111 R)
• M3: 1,057,358 km (0.061 R)
• M4: 1,790,088 km (0.107 R)
• M5: 2,218,836 km (0.062 R)
• M6: 9,520,408 km (0.059 R)
• M7: 11,646,194 km (0.107 R)
• M8: 12,351,399 km (0.055 R)
• M9: 13,031,471 km (0.074 R)
• M10: 15,881,609 km (0.116 R)
• M11: 18,985,316 km (0.083 R)
• M12: 21,117,834 km (0.082 R)
• M13: 22,702,374 km (0.088 R)
• M14: 23,563,310 km (0.054 R)
• M15: 26,964,717 km (0.053 R)
• M16: 29,651,644 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.5

Radius: 7.2

Gravity: 18.12 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.77 AU - 7.57 AU

Year: 9896 Days

Day: 18.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,678,975 km

• M1: 89,609 km (0.098 R)
• M2: 511,924 km (0.057 R)
• M3: 1,050,027 km (0.075 R)
• M4: 1,587,533 km (0.051 R)
• M5: 1,819,559 km (0.096 R)
• M6: 2,146,281 km (0.114 R)
• M7: 3,318,679 km (0.096 R)
• M8: 3,675,320 km (0.042 R)
• M9: 5,329,574 km (0.116 R)
• M10: 6,225,067 km (0.106 R)
• M11: 7,217,200 km (0.073 R)
• M12: 8,219,505 km (0.083 R)
• M13: 8,969,589 km (0.103 R)
• M14: 11,897,070 km (0.116 R)
• M15: 13,353,854 km (0.118 R)
• M16: 17,736,623 km (0.063 R)
• M17: 18,043,598 km (0.109 R)
• M18: 19,387,585 km (0.056 R)
• M19: 20,042,674 km (0.115 R)
• M20: 20,543,528 km (0.068 R)
• M21: 23,725,773 km (0.101 R)
• M22: 24,192,369 km (0.102 R)
• M23: 25,726,196 km (0.095 R)
• M24: 26,617,052 km (0.117 R)
• M25: 27,323,901 km (0.05 R)
• M26: 33,087,907 km (0.069 R)
• M27: 34,735,578 km (0.106 R)
• M28: 40,666,685 km (0.083 R)
• M29: 42,968,099 km (0.084 R)
• M30: 46,799,450 km (0.103 R)
• M31: 48,423,484 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 499.2

Radius: 3.7

Gravity: 36.46 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.85 AU - 8.75 AU

Year: 12735 Days

Day: 18.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,678,975 km

• M1: 46,226 km (0.1 R)
• M2: 173,384 km (0.079 R)
• M3: 346,319 km (0.059 R)
• M4: 827,725 km (0.039 R)
• M5: 1,983,817 km (0.085 R)
• M6: 2,802,417 km (0.088 R)
• M7: 2,935,409 km (0.079 R)
• M8: 4,359,132 km (0.075 R)
• M9: 4,910,401 km (0.076 R)
• M10: 5,786,745 km (0.102 R)
• M11: 6,039,416 km (0.074 R)
• M12: 6,644,689 km (0.106 R)
• M13: 6,762,572 km (0.079 R)
• M14: 7,712,817 km (0.103 R)
• M15: 8,063,325 km (0.105 R)
• M16: 8,701,959 km (0.081 R)
• M17: 10,765,512 km (0.102 R)
• M18: 10,928,124 km (0.099 R)
• M19: 12,646,406 km (0.098 R)
• M20: 13,759,414 km (0.12 R)
• M21: 14,274,479 km (0.107 R)
• M22: 14,536,724 km (0.075 R)
• M23: 17,190,740 km (0.056 R)
• M24: 18,866,087 km (0.057 R)
• M25: 20,898,224 km (0.107 R)
• M26: 25,776,162 km (0.069 R)
• M27: 31,141,041 km (0.079 R)
• M28: 36,102,903 km (0.085 R)
• M29: 36,345,700 km (0.117 R)
• M30: 36,834,586 km (0.093 R)
• M31: 45,972,024 km (0.108 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 12,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit