🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.6

Radius: 10.4

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.65 AU - 0.69 AU

Year: 385 Days

Day: 9.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,024,576 km

• M1: 129,402 km (0.101 R)
• M2: 588,967 km (0.118 R)
• M3: 937,979 km (0.074 R)
• M4: 1,289,534 km (0.054 R)
• M5: 2,043,657 km (0.08 R)
• M6: 2,506,812 km (0.111 R)
• M7: 2,901,899 km (0.097 R)
• M8: 3,445,987 km (0.063 R)
• M9: 3,818,336 km (0.068 R)
• M10: 4,331,307 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.9

Radius: 14.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.6 AU - 0.86 AU

Year: 438 Days

Day: 13.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,024,576 km

• M1: 184,005 km (0.111 R)
• M2: 657,483 km (0.108 R)
• M3: 1,150,707 km (0.069 R)
• M4: 1,665,174 km (0.102 R)
• M5: 2,182,334 km (0.082 R)
• M6: 2,727,618 km (0.1 R)
• M7: 3,263,029 km (0.109 R)
• M8: 3,868,601 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.5

Radius: 11.9

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.87 AU - 1.09 AU

Year: 682 Days

Day: 5.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 137 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,024,576 km

• M1: 147,952 km (0.1 R)
• M2: 644,468 km (0.105 R)
• M3: 1,057,059 km (0.059 R)
• M4: 2,121,148 km (0.111 R)
• M5: 2,734,649 km (0.086 R)
• M6: 3,562,075 km (0.106 R)
• M7: 4,156,577 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.5

Radius: 8.3

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.27 AU - 2.03 AU

Year: 1490 Days

Day: 13.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,024,576 km

• M1: 103,223 km (0.054 R)
• M2: 491,878 km (0.108 R)
• M3: 751,729 km (0.093 R)
• M4: 1,281,007 km (0.069 R)
• M5: 2,193,404 km (0.112 R)
• M6: 3,511,361 km (0.074 R)
• M7: 4,474,024 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.9

Radius: 12.2

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.42 AU - 2.28 AU

Year: 1769 Days

Day: 13.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,024,576 km

• M1: 151,692 km (0.09 R)
• M2: 681,119 km (0.058 R)
• M3: 1,564,195 km (0.115 R)
• M4: 2,213,899 km (0.099 R)
• M5: 2,602,554 km (0.101 R)
• M6: 3,093,086 km (0.112 R)
• M7: 3,535,895 km (0.047 R)
• M8: 4,020,892 km (0.081 R)
• M9: 6,102,546 km (0.069 R)
• M10: 7,377,120 km (0.112 R)
• M11: 8,256,157 km (0.03 R)
• M12: 9,085,079 km (0.108 R)
• M13: 9,843,390 km (0.099 R)
• M14: 10,577,916 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.5

Radius: 9.3

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.91 AU - 2.61 AU

Year: 2388 Days

Day: 12.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,024,576 km

• M1: 115,639 km (0.089 R)
• M2: 422,165 km (0.107 R)
• M3: 744,100 km (0.109 R)
• M4: 1,150,408 km (0.115 R)
• M5: 1,638,097 km (0.084 R)
• M6: 2,061,010 km (0.112 R)
• M7: 2,593,279 km (0.045 R)
• M8: 3,015,594 km (0.104 R)
• M9: 4,084,171 km (0.045 R)
• M10: 5,408,113 km (0.078 R)
• M11: 6,948,522 km (0.115 R)
• M12: 7,687,386 km (0.115 R)
• M13: 8,226,686 km (0.105 R)
• M14: 10,771,795 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.6

Radius: 10.9

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.14 AU - 5.3 AU

Year: 7208 Days

Day: 12.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,024,576 km

• M1: 135,835 km (0.025 R)
• M2: 502,200 km (0.073 R)
• M3: 1,390,213 km (0.106 R)
• M4: 2,159,744 km (0.078 R)
• M5: 2,604,349 km (0.112 R)
• M6: 4,317,993 km (0.05 R)
• M7: 4,802,241 km (0.045 R)
• M8: 5,292,623 km (0.059 R)
• M9: 5,816,066 km (0.103 R)
• M10: 6,407,875 km (0.107 R)
• M11: 8,183,602 km (0.095 R)
• M12: 9,012,524 km (0.073 R)
• M13: 9,625,576 km (0.104 R)
• M14: 11,785,919 km (0.12 R)
• M15: 12,951,884 km (0.099 R)
• M16: 15,635,969 km (0.093 R)
• M17: 16,845,767 km (0.086 R)
• M18: 17,844,034 km (0.11 R)
• M19: 26,228,995 km (0.104 R)
• M20: 28,117,668 km (0.063 R)
• M21: 28,860,571 km (0.077 R)
• M22: 33,491,822 km (0.119 R)
• M23: 33,907,405 km (0.12 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 16,062 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit