🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.9

Radius: 14.7

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.82 AU - 0.82 AU

Year: 513 Days

Day: 9.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 104 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,191,470 km

• M1: 182,809 km (0.12 R)
• M2: 770,878 km (0.095 R)
• M3: 1,601,595 km (0.119 R)
• M4: 2,280,320 km (0.099 R)
• M5: 3,147,090 km (0.044 R)
• M6: 4,075,944 km (0.074 R)
• M7: 4,605,370 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.8

Radius: 8.7

Gravity: 12.57 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.98 AU - 1.08 AU

Year: 722 Days

Day: 11 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,191,470 km

• M1: 108,159 km (0.037 R)
• M2: 474,674 km (0.105 R)
• M3: 1,246,599 km (0.087 R)
• M4: 1,708,557 km (0.107 R)
• M5: 2,187,869 km (0.102 R)
• M6: 2,913,419 km (0.051 R)
• M7: 3,429,232 km (0.108 R)
• M8: 4,130,098 km (0.087 R)
• M9: 4,625,566 km (0.071 R)
• M10: 4,905,613 km (0.12 R)
• M11: 5,365,926 km (0.106 R)
• M12: 5,814,720 km (0.119 R)
• M13: 6,351,926 km (0.088 R)
• M14: 7,914,027 km (0.096 R)
• M15: 8,705,250 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.9

Radius: 8.9

Gravity: 12.43 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.2 AU - 2.4 AU

Year: 2408 Days

Day: 14.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,191,470 km

• M1: 112,797 km (0.075 R)
• M2: 529,876 km (0.109 R)
• M3: 893,698 km (0.115 R)
• M4: 1,209,050 km (0.119 R)
• M5: 1,577,809 km (0.088 R)
• M6: 2,008,501 km (0.073 R)
• M7: 2,414,061 km (0.069 R)
• M8: 3,159,058 km (0.052 R)
• M9: 3,632,835 km (0.042 R)
• M10: 3,988,130 km (0.075 R)
• M11: 4,475,819 km (0.078 R)
• M12: 5,195,534 km (0.12 R)
• M13: 5,830,427 km (0.112 R)
• M14: 6,125,734 km (0.106 R)
• M15: 6,487,611 km (0.051 R)
• M16: 9,038,554 km (0.045 R)
• M17: 11,344,007 km (0.113 R)
• M18: 11,636,321 km (0.09 R)
• M19: 12,811,262 km (0.052 R)
• M20: 16,434,672 km (0.089 R)
• M21: 17,742,906 km (0.057 R)
• M22: 18,768,698 km (0.083 R)
• M23: 19,954,262 km (0.089 R)
• M24: 20,565,369 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.3

Radius: 14.8

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.81 AU - 4.43 AU

Year: 4754 Days

Day: 14.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,191,470 km

• M1: 184,005 km (0.083 R)
• M2: 1,306,737 km (0.111 R)
• M3: 3,482,040 km (0.12 R)
• M4: 4,830,665 km (0.079 R)
• M5: 5,492,486 km (0.073 R)
• M6: 6,748,360 km (0.088 R)
• M7: 7,313,092 km (0.086 R)
• M8: 13,560,000 km (0.078 R)
• M9: 17,151,545 km (0.117 R)
• M10: 17,779,857 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.8

Radius: 12.3

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.83 AU - 5.67 AU

Year: 7146 Days

Day: 9.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,191,470 km

• M1: 156,180 km (0.057 R)
• M2: 752,328 km (0.047 R)
• M3: 1,560,605 km (0.056 R)
• M4: 2,807,503 km (0.105 R)
• M5: 3,995,310 km (0.068 R)
• M6: 4,889,158 km (0.112 R)
• M7: 5,780,761 km (0.101 R)
• M8: 6,317,518 km (0.114 R)
• M9: 6,997,889 km (0.081 R)
• M10: 8,295,352 km (0.107 R)
• M11: 14,744,815 km (0.117 R)
• M12: 16,866,113 km (0.081 R)
• M13: 17,547,232 km (0.087 R)
• M14: 20,001,235 km (0.094 R)
• M15: 21,706,053 km (0.048 R)
• M16: 28,437,209 km (0.086 R)
• M17: 28,917,119 km (0.049 R)
• M18: 30,190,346 km (0.097 R)
• M19: 38,860,141 km (0.028 R)
• M20: 40,168,823 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.6

Radius: 10.5

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.54 AU - 5.84 AU

Year: 8161 Days

Day: 5.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,191,470 km

• M1: 154,235 km (0.097 R)
• M2: 1,154,746 km (0.09 R)
• M3: 2,318,169 km (0.09 R)
• M4: 3,556,689 km (0.106 R)
• M5: 3,915,126 km (0.117 R)
• M6: 4,730,285 km (0.092 R)
• M7: 5,626,675 km (0.081 R)
• M8: 6,539,372 km (0.106 R)
• M9: 7,378,466 km (0.107 R)
• M10: 8,035,949 km (0.081 R)
• M11: 18,743,117 km (0.091 R)
• M12: 20,032,202 km (0.101 R)
• M13: 24,029,756 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.6

Radius: 6.3

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.08 AU - 11.74 AU

Year: 19925 Days

Day: 16.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,191,470 km

• M1: 78,539 km (0.115 R)
• M2: 678,875 km (0.08 R)
• M3: 899,083 km (0.079 R)
• M4: 2,553,785 km (0.097 R)
• M5: 3,740,695 km (0.116 R)
• M6: 4,384,115 km (0.087 R)
• M7: 4,702,609 km (0.113 R)
• M8: 6,312,432 km (0.097 R)
• M9: 9,774,126 km (0.11 R)
• M10: 14,138,495 km (0.088 R)
• M11: 16,707,090 km (0.114 R)
• M12: 17,198,968 km (0.074 R)
• M13: 22,917,347 km (0.088 R)
• M14: 25,134,686 km (0.031 R)
• M15: 30,612,511 km (0.096 R)
• M16: 30,926,667 km (0.101 R)
• M17: 31,348,683 km (0.111 R)
• M18: 42,929,652 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 13,744 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit