🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.6

Radius: 10.9

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.49 AU - 0.59 AU

Year: 269 Days

Day: 5.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,750,480 km

• M1: 135,835 km (0.043 R)
• M2: 514,317 km (0.066 R)
• M3: 927,058 km (0.046 R)
• M4: 1,516,324 km (0.064 R)
• M5: 2,038,720 km (0.084 R)
• M6: 2,384,440 km (0.112 R)
• M7: 2,769,805 km (0.052 R)
• M8: 3,156,066 km (0.107 R)
• M9: 3,556,540 km (0.118 R)
• M10: 4,171,836 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.3

Radius: 12.3

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.07 AU - 1.13 AU

Year: 782 Days

Day: 5.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,750,480 km

• M1: 153,039 km (0.105 R)
• M2: 541,395 km (0.078 R)
• M3: 1,176,288 km (0.109 R)
• M4: 1,567,786 km (0.064 R)
• M5: 1,957,039 km (0.069 R)
• M6: 2,380,701 km (0.057 R)
• M7: 2,795,984 km (0.101 R)
• M8: 3,511,062 km (0.103 R)
• M9: 4,053,055 km (0.074 R)
• M10: 4,919,376 km (0.088 R)
• M11: 6,261,718 km (0.089 R)
• M12: 7,172,320 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.4

Radius: 14.8

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.97 AU - 1.49 AU

Year: 925 Days

Day: 10.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,750,480 km

• M1: 184,005 km (0.095 R)
• M2: 697,126 km (0.116 R)
• M3: 1,223,860 km (0.05 R)
• M4: 2,081,505 km (0.113 R)
• M5: 3,315,089 km (0.077 R)
• M6: 4,977,570 km (0.04 R)
• M7: 5,445,213 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.3

Radius: 12.9

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.41 AU - 2.09 AU

Year: 1570 Days

Day: 5.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,750,480 km

• M1: 160,369 km (0.101 R)
• M2: 838,496 km (0.093 R)
• M3: 1,944,473 km (0.09 R)
• M4: 3,684,895 km (0.074 R)
• M5: 4,622,724 km (0.101 R)
• M6: 5,209,147 km (0.111 R)
• M7: 6,651,421 km (0.101 R)
• M8: 7,504,577 km (0.098 R)
• M9: 10,506,109 km (0.071 R)
• M10: 11,108,539 km (0.027 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.1

Radius: 8.9

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.96 AU - 2.3 AU

Year: 2108 Days

Day: 13.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,750,480 km

• M1: 110,702 km (0.116 R)
• M2: 389,553 km (0.096 R)
• M3: 902,075 km (0.117 R)
• M4: 1,472,641 km (0.117 R)
• M5: 2,838,320 km (0.098 R)
• M6: 3,339,024 km (0.098 R)
• M7: 3,756,851 km (0.088 R)
• M8: 4,284,782 km (0.083 R)
• M9: 6,168,967 km (0.115 R)
• M10: 6,466,368 km (0.06 R)
• M11: 7,010,156 km (0.078 R)
• M12: 7,334,335 km (0.067 R)
• M13: 8,159,517 km (0.118 R)
• M14: 9,560,351 km (0.07 R)
• M15: 10,231,896 km (0.086 R)
• M16: 11,594,134 km (0.103 R)
• M17: 11,933,721 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.8

Radius: 7

Gravity: 12.53 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.15 AU - 6.75 AU

Year: 11110 Days

Day: 22.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,750,480 km

• M1: 89,310 km (0.099 R)
• M2: 558,598 km (0.081 R)
• M3: 956,828 km (0.089 R)
• M4: 1,739,225 km (0.098 R)
• M5: 1,980,975 km (0.076 R)
• M6: 2,245,314 km (0.08 R)
• M7: 3,159,956 km (0.075 R)
• M8: 3,423,248 km (0.115 R)
• M9: 4,389,202 km (0.035 R)
• M10: 4,626,464 km (0.082 R)
• M11: 4,903,669 km (0.055 R)
• M12: 5,423,970 km (0.104 R)
• M13: 6,125,285 km (0.072 R)
• M14: 8,185,995 km (0.101 R)
• M15: 8,730,831 km (0.035 R)
• M16: 9,348,072 km (0.12 R)
• M17: 9,742,113 km (0.1 R)
• M18: 10,775,684 km (0.064 R)
• M19: 11,154,167 km (0.109 R)
• M20: 14,903,688 km (0.051 R)
• M21: 16,132,036 km (0.056 R)
• M22: 16,842,925 km (0.03 R)
• M23: 17,500,408 km (0.098 R)
• M24: 18,250,940 km (0.099 R)
• M25: 19,896,517 km (0.12 R)
• M26: 20,384,206 km (0.086 R)
• M27: 24,116,074 km (0.066 R)
• M28: 25,901,226 km (0.092 R)
• M29: 31,562,009 km (0.062 R)
• M30: 36,765,921 km (0.11 R)
• M31: 37,131,837 km (0.05 R)
• M32: 38,369,311 km (0.08 R)
• M33: 38,871,960 km (0.036 R)
• M34: 41,715,067 km (0.111 R)
• M35: 48,539,722 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.1

Radius: 7.3

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.23 AU - 9.35 AU

Year: 16189 Days

Day: 15.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,750,480 km

• M1: 92,751 km (0.106 R)
• M2: 334,650 km (0.094 R)
• M3: 605,722 km (0.111 R)
• M4: 2,603,452 km (0.078 R)
• M5: 7,949,481 km (0.096 R)
• M6: 9,695,737 km (0.053 R)
• M7: 12,485,737 km (0.106 R)
• M8: 15,696,108 km (0.102 R)
• M9: 18,581,103 km (0.09 R)
• M10: 19,931,523 km (0.097 R)
• M11: 22,543,801 km (0.1 R)
• M12: 25,989,937 km (0.092 R)
• M13: 43,142,979 km (0.027 R)
• M14: 50,796,107 km (0.116 R)
• M15: 53,926,442 km (0.083 R)
• M16: 56,140,939 km (0.115 R)
• M17: 59,485,499 km (0.098 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: 483 - 12,829 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit