🌌 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: 950.6

Radius: 11.9

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.7 AU - 0.7 AU

Year: 404 Days

Day: 11.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,684,628 km

• M1: 147,952 km (0.079 R)
• M2: 538,552 km (0.109 R)
• M3: 1,032,824 km (0.095 R)
• M4: 1,692,999 km (0.097 R)
• M5: 2,194,601 km (0.118 R)
• M6: 2,670,322 km (0.111 R)
• M7: 3,168,483 km (0.105 R)
• M8: 3,563,571 km (0.113 R)
• M9: 4,211,479 km (0.097 R)
• M10: 4,616,141 km (0.088 R)
• M11: 5,537,964 km (0.047 R)
• M12: 6,297,622 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.4

Radius: 13.5

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.73 AU - 0.95 AU

Year: 531 Days

Day: 14.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 22,684,628 km

• M1: 172,038 km (0.081 R)
• M2: 1,005,298 km (0.113 R)
• M3: 1,535,024 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.3

Radius: 9.1

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.94 AU - 0.94 AU

Year: 629 Days

Day: 13.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,684,628 km

• M1: 113,545 km (0.108 R)
• M2: 937,979 km (0.083 R)
• M3: 1,305,840 km (0.098 R)
• M4: 1,593,666 km (0.074 R)
• M5: 2,009,997 km (0.085 R)
• M6: 2,388,330 km (0.092 R)
• M7: 3,109,541 km (0.091 R)
• M8: 3,968,981 km (0.079 R)
• M9: 4,507,384 km (0.081 R)
• M10: 5,928,863 km (0.094 R)
• M11: 6,772,146 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.3

Radius: 13.7

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.43 AU - 1.57 AU

Year: 1268 Days

Day: 14.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,684,628 km

• M1: 170,691 km (0.101 R)
• M2: 609,013 km (0.117 R)
• M3: 1,269,338 km (0.056 R)
• M4: 1,704,518 km (0.072 R)
• M5: 2,430,965 km (0.064 R)
• M6: 2,867,342 km (0.115 R)
• M7: 3,370,290 km (0.101 R)
• M8: 3,993,216 km (0.094 R)
• M9: 4,472,528 km (0.106 R)
• M10: 5,226,950 km (0.049 R)
• M11: 6,856,070 km (0.114 R)
• M12: 7,288,408 km (0.106 R)
• M13: 8,133,038 km (0.084 R)
• M14: 8,644,513 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.9

Radius: 12.1

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.52 AU - 2.24 AU

Year: 1779 Days

Day: 6.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,684,628 km

• M1: 171,439 km (0.098 R)
• M2: 867,817 km (0.046 R)
• M3: 1,719,328 km (0.093 R)
• M4: 2,499,032 km (0.105 R)
• M5: 2,917,009 km (0.077 R)
• M6: 3,456,608 km (0.074 R)
• M7: 3,879,970 km (0.043 R)
• M8: 4,267,728 km (0.096 R)
• M9: 4,644,565 km (0.084 R)
• M10: 5,282,002 km (0.12 R)
• M11: 5,911,360 km (0.062 R)
• M12: 7,022,124 km (0.086 R)
• M13: 8,267,078 km (0.08 R)
• M14: 8,684,904 km (0.093 R)
• M15: 9,116,943 km (0.099 R)
• M16: 10,023,955 km (0.111 R)
• M17: 11,564,813 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.6

Radius: 9.3

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.3 AU - 3.36 AU

Year: 4194 Days

Day: 11.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,684,628 km

• M1: 115,639 km (0.116 R)
• M2: 441,015 km (0.119 R)
• M3: 1,027,588 km (0.045 R)
• M4: 1,454,690 km (0.1 R)
• M5: 1,985,164 km (0.115 R)
• M6: 2,516,386 km (0.102 R)
• M7: 3,122,257 km (0.057 R)
• M8: 3,761,938 km (0.105 R)
• M9: 4,531,768 km (0.114 R)
• M10: 4,882,127 km (0.068 R)
• M11: 5,301,001 km (0.118 R)
• M12: 7,442,644 km (0.118 R)
• M13: 7,733,612 km (0.067 R)
• M14: 8,099,378 km (0.099 R)
• M15: 8,974,077 km (0.059 R)
• M16: 10,993,349 km (0.115 R)
• M17: 12,603,022 km (0.112 R)
• M18: 14,215,388 km (0.069 R)
• M19: 14,816,024 km (0.054 R)
• M20: 17,673,044 km (0.095 R)
• M21: 19,080,161 km (0.055 R)
• M22: 21,263,991 km (0.112 R)
• M23: 21,983,407 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409

Radius: 8.3

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.56 AU - 4.12 AU

Year: 4213 Days

Day: 10.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 22,684,628 km

• M1: 103,971 km (0.085 R)
• M2: 388,805 km (0.09 R)
• M3: 850,165 km (0.109 R)
• M4: 1,148,014 km (0.109 R)
• M5: 1,788,143 km (0.107 R)
• M6: 2,808,999 km (0.05 R)
• M7: 3,260,037 km (0.116 R)
• M8: 5,228,745 km (0.097 R)
• M9: 5,563,545 km (0.075 R)
• M10: 6,276,079 km (0.111 R)
• M11: 6,536,380 km (0.07 R)
• M12: 7,048,004 km (0.09 R)
• M13: 8,851,706 km (0.119 R)
• M14: 11,621,660 km (0.108 R)
• M15: 13,155,487 km (0.052 R)
• M16: 14,217,183 km (0.077 R)
• M17: 15,915,269 km (0.096 R)
• M18: 18,620,597 km (0.055 R)
• M19: 20,521,986 km (0.086 R)
• M20: 21,033,012 km (0.098 R)
• M21: 21,421,817 km (0.085 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 18,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit