🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.4

Radius: 11

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.41 AU - 0.69 AU

Year: 287 Days

Day: 14.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,485,606 km

• M1: 136,732 km (0.065 R)
• M2: 531,671 km (0.096 R)
• M3: 930,798 km (0.085 R)
• M4: 1,272,928 km (0.103 R)
• M5: 1,674,000 km (0.108 R)
• M6: 2,250,999 km (0.061 R)
• M7: 2,700,092 km (0.105 R)
• M8: 3,060,024 km (0.051 R)
• M9: 3,418,311 km (0.043 R)
• M10: 3,977,359 km (0.036 R)
• M11: 5,009,883 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.4

Radius: 13.3

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.61 AU - 0.87 AU

Year: 447 Days

Day: 8.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,485,606 km

• M1: 165,605 km (0.119 R)
• M2: 646,113 km (0.104 R)
• M3: 1,109,268 km (0.035 R)
• M4: 1,951,055 km (0.11 R)
• M5: 2,523,566 km (0.105 R)
• M6: 3,676,816 km (0.078 R)
• M7: 4,114,241 km (0.093 R)
• M8: 4,785,636 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.9

Radius: 10.1

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.81 AU - 0.93 AU

Year: 570 Days

Day: 12.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,485,606 km

• M1: 148,401 km (0.061 R)
• M2: 613,950 km (0.108 R)
• M3: 974,481 km (0.066 R)
• M4: 1,291,329 km (0.08 R)
• M5: 1,913,357 km (0.043 R)
• M6: 2,852,532 km (0.119 R)
• M7: 3,684,745 km (0.077 R)
• M8: 4,716,970 km (0.036 R)
• M9: 5,242,657 km (0.118 R)
• M10: 6,205,170 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.8

Radius: 8.3

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.86 AU - 1.12 AU

Year: 692 Days

Day: 10.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,485,606 km

• M1: 103,372 km (0.06 R)
• M2: 380,427 km (0.119 R)
• M3: 702,212 km (0.114 R)
• M4: 1,320,800 km (0.115 R)
• M5: 1,696,739 km (0.113 R)
• M6: 2,273,140 km (0.051 R)
• M7: 2,560,667 km (0.087 R)
• M8: 3,020,231 km (0.098 R)
• M9: 3,368,944 km (0.097 R)
• M10: 4,190,984 km (0.05 R)
• M11: 4,626,015 km (0.093 R)
• M12: 5,024,843 km (0.101 R)
• M13: 5,446,410 km (0.104 R)
• M14: 5,818,609 km (0.101 R)
• M15: 6,303,007 km (0.084 R)
• M16: 6,594,424 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.9

Radius: 9.3

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.21 AU - 1.51 AU

Year: 1115 Days

Day: 9 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,485,606 km

• M1: 115,639 km (0.11 R)
• M2: 427,551 km (0.088 R)
• M3: 911,799 km (0.092 R)
• M4: 1,211,593 km (0.118 R)
• M5: 1,687,913 km (0.112 R)
• M6: 2,296,178 km (0.118 R)
• M7: 2,902,647 km (0.089 R)
• M8: 3,244,179 km (0.1 R)
• M9: 3,553,997 km (0.088 R)
• M10: 4,366,163 km (0.109 R)
• M11: 4,816,154 km (0.058 R)
• M12: 5,108,468 km (0.102 R)
• M13: 5,568,930 km (0.107 R)
• M14: 6,354,768 km (0.114 R)
• M15: 6,684,631 km (0.083 R)
• M16: 7,743,485 km (0.119 R)
• M17: 8,378,229 km (0.062 R)
• M18: 8,668,299 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807

Radius: 14.6

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.48 AU - 1.86 AU

Year: 1517 Days

Day: 15 Hours

Environment

Temp: -201 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,485,606 km

• M1: 181,761 km (0.112 R)
• M2: 692,489 km (0.096 R)
• M3: 1,257,669 km (0.098 R)
• M4: 1,958,835 km (0.064 R)
• M5: 2,483,175 km (0.104 R)
• M6: 3,753,710 km (0.094 R)
• M7: 4,362,723 km (0.119 R)
• M8: 5,184,763 km (0.089 R)
• M9: 6,131,867 km (0.056 R)
• M10: 7,271,803 km (0.08 R)
• M11: 7,821,874 km (0.068 R)
• M12: 8,882,374 km (0.033 R)
• M13: 10,443,128 km (0.073 R)
• M14: 12,142,261 km (0.108 R)
• M15: 12,998,110 km (0.102 R)

Asteroid Belt

Center: 1.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.9

Radius: 14.7

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.08 AU - 2.38 AU

Year: 2341 Days

Day: 6.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,485,606 km

• M1: 182,958 km (0.092 R)
• M2: 642,972 km (0.094 R)
• M3: 1,228,049 km (0.096 R)
• M4: 1,983,967 km (0.116 R)
• M5: 2,513,394 km (0.109 R)
• M6: 2,988,367 km (0.106 R)
• M7: 4,185,300 km (0.09 R)
• M8: 4,745,992 km (0.083 R)
• M9: 5,505,052 km (0.045 R)
• M10: 6,538,474 km (0.097 R)
• M11: 7,357,672 km (0.082 R)
• M12: 8,016,202 km (0.113 R)
• M13: 9,025,090 km (0.093 R)
• M14: 9,706,807 km (0.119 R)
• M15: 11,254,697 km (0.075 R)
• M16: 12,695,324 km (0.112 R)
• M17: 13,830,772 km (0.093 R)
• M18: 15,381,803 km (0.093 R)
• M19: 16,566,169 km (0.116 R)
• M20: 17,425,459 km (0.109 R)
• M21: 19,350,185 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 13,972 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit