🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.8

Radius: 10.9

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.71 AU - 1.09 AU

Year: 569 Days

Day: 12.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,900,147 km

• M1: 135,536 km (0.071 R)
• M2: 709,543 km (0.09 R)
• M3: 1,517,521 km (0.077 R)
• M4: 1,868,627 km (0.099 R)
• M5: 2,318,318 km (0.108 R)
• M6: 2,719,540 km (0.098 R)
• M7: 3,123,604 km (0.112 R)
• M8: 3,712,720 km (0.105 R)
• M9: 4,053,803 km (0.048 R)
• M10: 4,597,891 km (0.101 R)
• M11: 5,236,673 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.1

Radius: 11.3

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.18 AU - 1.92 AU

Year: 1287 Days

Day: 6.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,900,147 km

• M1: 140,472 km (0.06 R)
• M2: 500,255 km (0.119 R)
• M3: 864,376 km (0.058 R)
• M4: 1,366,876 km (0.07 R)
• M5: 2,183,381 km (0.069 R)
• M6: 2,545,109 km (0.118 R)
• M7: 2,947,377 km (0.057 R)
• M8: 3,696,863 km (0.089 R)
• M9: 4,161,663 km (0.104 R)
• M10: 4,530,871 km (0.032 R)
• M11: 6,257,230 km (0.106 R)
• M12: 6,919,949 km (0.115 R)
• M13: 7,931,380 km (0.083 R)
• M14: 8,385,709 km (0.115 R)
• M15: 8,977,967 km (0.042 R)
• M16: 9,566,185 km (0.112 R)
• M17: 10,279,318 km (0.095 R)
• M18: 12,180,259 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.1

Radius: 13.2

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.64 AU - 2.82 AU

Year: 3008 Days

Day: 9.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,900,147 km

• M1: 164,109 km (0.103 R)
• M2: 778,657 km (0.088 R)
• M3: 1,254,079 km (0.094 R)
• M4: 1,717,384 km (0.057 R)
• M5: 2,244,267 km (0.119 R)
• M6: 3,332,143 km (0.107 R)
• M7: 3,777,197 km (0.108 R)
• M8: 4,405,508 km (0.081 R)
• M9: 5,999,174 km (0.119 R)
• M10: 6,857,118 km (0.106 R)
• M11: 7,493,208 km (0.074 R)
• M12: 8,684,605 km (0.106 R)
• M13: 9,464,908 km (0.106 R)
• M14: 9,998,523 km (0.112 R)
• M15: 11,802,374 km (0.069 R)
• M16: 12,888,754 km (0.109 R)
• M17: 13,412,197 km (0.114 R)
• M18: 14,548,543 km (0.109 R)
• M19: 15,020,673 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996

Radius: 11

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.5 AU - 3.84 AU

Year: 3764 Days

Day: 8.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,900,147 km

• M1: 136,732 km (0.064 R)
• M2: 502,350 km (0.091 R)
• M3: 943,963 km (0.099 R)
• M4: 1,807,890 km (0.073 R)
• M5: 2,314,578 km (0.118 R)
• M6: 3,099,069 km (0.101 R)
• M7: 4,402,366 km (0.104 R)
• M8: 4,798,202 km (0.052 R)
• M9: 5,244,752 km (0.06 R)
• M10: 5,633,257 km (0.106 R)
• M11: 6,594,125 km (0.06 R)
• M12: 7,047,556 km (0.097 R)
• M13: 9,033,767 km (0.118 R)
• M14: 10,564,153 km (0.08 R)
• M15: 11,368,092 km (0.072 R)
• M16: 13,711,991 km (0.099 R)
• M17: 14,723,123 km (0.082 R)
• M18: 19,465,525 km (0.109 R)
• M19: 19,996,299 km (0.076 R)
• M20: 21,717,272 km (0.087 R)
• M21: 23,535,036 km (0.101 R)
• M22: 24,519,241 km (0.071 R)
• M23: 25,768,084 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.2

Radius: 14.6

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.76 AU - 4.48 AU

Year: 5577 Days

Day: 13 Hours

Environment

Temp: -219 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,900,147 km

• M1: 181,761 km (0.119 R)
• M2: 849,866 km (0.106 R)
• M3: 1,308,533 km (0.065 R)
• M4: 1,911,861 km (0.11 R)
• M5: 3,605,159 km (0.088 R)
• M6: 4,166,899 km (0.058 R)
• M7: 5,119,838 km (0.119 R)
• M8: 9,325,632 km (0.092 R)
• M9: 10,437,743 km (0.104 R)
• M10: 11,146,388 km (0.08 R)
• M11: 11,636,620 km (0.105 R)
• M12: 13,032,518 km (0.027 R)
• M13: 15,064,057 km (0.099 R)
• M14: 16,405,202 km (0.065 R)
• M15: 18,700,931 km (0.113 R)
• M16: 20,033,249 km (0.089 R)
• M17: 22,808,140 km (0.079 R)
• M18: 26,865,384 km (0.116 R)
• M19: 27,393,165 km (0.108 R)
• M20: 28,288,209 km (0.074 R)
• M21: 28,834,541 km (0.099 R)
• M22: 29,574,003 km (0.112 R)
• M23: 33,462,351 km (0.065 R)
• M24: 33,971,133 km (0.084 R)
• M25: 34,900,136 km (0.079 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 10,468 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit