🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.9

Radius: 14.5

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.7 AU - 0.76 AU

Year: 409 Days

Day: 9.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,223,595 km

• M1: 185,950 km (0.09 R)
• M2: 744,997 km (0.054 R)
• M3: 1,266,047 km (0.113 R)
• M4: 1,861,746 km (0.086 R)
• M5: 2,735,247 km (0.085 R)
• M6: 3,646,897 km (0.092 R)
• M7: 4,124,413 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.9

Radius: 12.2

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.79 AU - 0.81 AU

Year: 469 Days

Day: 7.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,223,595 km

• M1: 151,991 km (0.045 R)
• M2: 542,591 km (0.093 R)
• M3: 927,058 km (0.108 R)
• M4: 1,416,991 km (0.114 R)
• M5: 2,159,445 km (0.067 R)
• M6: 2,573,981 km (0.037 R)
• M7: 3,170,577 km (0.051 R)
• M8: 3,592,443 km (0.087 R)
• M9: 4,429,593 km (0.118 R)
• M10: 5,478,573 km (0.097 R)
• M11: 6,145,929 km (0.089 R)
• M12: 6,746,266 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.8

Radius: 13.9

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.03 AU - 1.35 AU

Year: 852 Days

Day: 7.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,223,595 km

• M1: 172,935 km (0.095 R)
• M2: 703,409 km (0.097 R)
• M3: 1,180,776 km (0.066 R)
• M4: 3,204,985 km (0.111 R)
• M5: 4,073,700 km (0.079 R)
• M6: 5,656,295 km (0.11 R)
• M7: 7,180,099 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389

Radius: 8.7

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.14 AU - 1.48 AU

Year: 984 Days

Day: 7.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,223,595 km

• M1: 109,057 km (0.12 R)
• M2: 422,165 km (0.085 R)
• M3: 1,209,349 km (0.102 R)
• M4: 1,630,168 km (0.116 R)
• M5: 3,046,411 km (0.104 R)
• M6: 3,994,862 km (0.071 R)
• M7: 5,400,633 km (0.11 R)
• M8: 5,954,893 km (0.12 R)
• M9: 8,160,863 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.5

Radius: 8.2

Gravity: 14.79 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.36 AU - 3.16 AU

Year: 3008 Days

Day: 14.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,223,595 km

• M1: 102,026 km (0.099 R)
• M2: 433,235 km (0.109 R)
• M3: 904,469 km (0.097 R)
• M4: 1,465,162 km (0.087 R)
• M5: 1,874,162 km (0.11 R)
• M6: 2,313,082 km (0.076 R)
• M7: 2,653,417 km (0.116 R)
• M8: 3,044,915 km (0.043 R)
• M9: 3,838,382 km (0.074 R)
• M10: 5,316,858 km (0.087 R)
• M11: 7,302,171 km (0.117 R)
• M12: 9,348,521 km (0.12 R)
• M13: 9,894,553 km (0.074 R)
• M14: 10,711,357 km (0.076 R)
• M15: 11,179,299 km (0.082 R)
• M16: 13,627,768 km (0.111 R)
• M17: 15,427,879 km (0.116 R)
• M18: 16,245,880 km (0.101 R)
• M19: 16,977,862 km (0.054 R)
• M20: 17,439,073 km (0.059 R)
• M21: 19,181,589 km (0.112 R)
• M22: 20,255,402 km (0.055 R)
• M23: 23,932,069 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.9

Radius: 11.6

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.51 AU - 3.63 AU

Year: 4425 Days

Day: 14.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,223,595 km

• M1: 144,362 km (0.077 R)
• M2: 631,752 km (0.046 R)
• M3: 1,197,980 km (0.085 R)
• M4: 1,713,644 km (0.096 R)
• M5: 2,406,431 km (0.119 R)
• M6: 3,908,544 km (0.056 R)
• M7: 5,668,114 km (0.115 R)
• M8: 6,804,459 km (0.095 R)
• M9: 7,444,289 km (0.084 R)
• M10: 8,497,757 km (0.033 R)
• M11: 9,814,368 km (0.042 R)
• M12: 11,823,169 km (0.08 R)
• M13: 14,798,820 km (0.076 R)
• M14: 15,188,821 km (0.072 R)
• M15: 16,519,046 km (0.119 R)
• M16: 19,476,296 km (0.076 R)
• M17: 20,012,605 km (0.108 R)
• M18: 20,974,968 km (0.072 R)
• M19: 23,590,986 km (0.086 R)
• M20: 24,123,853 km (0.069 R)
• M21: 24,664,799 km (0.112 R)
• M22: 27,157,997 km (0.054 R)
• M23: 29,200,158 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.1

Radius: 9.3

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.34 AU - 4.2 AU

Year: 4802 Days

Day: 7.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,223,595 km

• M1: 115,639 km (0.119 R)
• M2: 416,331 km (0.072 R)
• M3: 776,862 km (0.119 R)
• M4: 1,078,750 km (0.085 R)
• M5: 1,495,680 km (0.079 R)
• M6: 1,932,655 km (0.107 R)
• M7: 2,243,968 km (0.056 R)
• M8: 2,571,737 km (0.111 R)
• M9: 3,183,293 km (0.084 R)
• M10: 3,686,540 km (0.042 R)
• M11: 5,937,539 km (0.044 R)
• M12: 7,894,130 km (0.074 R)
• M13: 8,580,036 km (0.076 R)
• M14: 9,305,137 km (0.119 R)
• M15: 11,015,938 km (0.097 R)
• M16: 11,391,279 km (0.12 R)
• M17: 13,134,543 km (0.107 R)
• M18: 14,764,711 km (0.105 R)
• M19: 16,162,704 km (0.112 R)
• M20: 20,529,765 km (0.076 R)
• M21: 20,884,162 km (0.071 R)
• M22: 22,869,026 km (0.096 R)
• M23: 27,983,478 km (0.096 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 15,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit