🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.5 AU - 0.66 AU

Year: 285 Days

Day: 45.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 56,593,950 km

• M1: 33,660 km (0.097 R)
• M2: 55,202 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.1

Radius: 13.8

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.66 AU - 0.92 AU

Year: 453 Days

Day: 13 Hours

Environment

Temp: -138 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,593,950 km

• M1: 171,589 km (0.106 R)
• M2: 623,524 km (0.092 R)
• M3: 1,131,259 km (0.085 R)
• M4: 1,623,586 km (0.111 R)
• M5: 2,341,356 km (0.094 R)
• M6: 3,774,803 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.7

Radius: 10.2

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.83 AU - 1.35 AU

Year: 735 Days

Day: 11.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,593,950 km

• M1: 126,859 km (0.071 R)
• M2: 449,093 km (0.058 R)
• M3: 859,290 km (0.114 R)
• M4: 1,644,679 km (0.12 R)
• M5: 2,075,970 km (0.095 R)
• M6: 4,307,222 km (0.088 R)
• M7: 4,909,802 km (0.089 R)
• M8: 5,348,124 km (0.049 R)
• M9: 5,698,482 km (0.057 R)
• M10: 6,163,133 km (0.077 R)
• M11: 6,486,863 km (0.085 R)
• M12: 7,146,440 km (0.093 R)
• M13: 8,039,090 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.3

Radius: 12

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.96 AU - 1.56 AU

Year: 913 Days

Day: 14.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,593,950 km

• M1: 149,299 km (0.051 R)
• M2: 525,089 km (0.103 R)
• M3: 908,508 km (0.108 R)
• M4: 1,339,948 km (0.104 R)
• M5: 1,753,287 km (0.105 R)
• M6: 2,192,806 km (0.088 R)
• M7: 3,259,139 km (0.105 R)
• M8: 3,669,037 km (0.109 R)
• M9: 4,381,273 km (0.061 R)
• M10: 4,917,282 km (0.113 R)
• M11: 5,745,157 km (0.098 R)
• M12: 6,223,421 km (0.111 R)
• M13: 7,124,449 km (0.104 R)
• M14: 7,536,591 km (0.106 R)
• M15: 8,135,282 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.5

Radius: 13.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.93 AU - 2.01 AU

Year: 1785 Days

Day: 9.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,593,950 km

• M1: 165,455 km (0.092 R)
• M2: 598,092 km (0.097 R)
• M3: 1,066,184 km (0.081 R)
• M4: 1,659,340 km (0.094 R)
• M5: 2,243,968 km (0.104 R)
• M6: 2,694,407 km (0.058 R)
• M7: 4,234,368 km (0.097 R)
• M8: 5,120,885 km (0.095 R)
• M9: 5,723,764 km (0.119 R)
• M10: 6,524,861 km (0.042 R)
• M11: 7,399,260 km (0.109 R)
• M12: 7,995,557 km (0.096 R)
• M13: 9,092,259 km (0.077 R)
• M14: 9,843,989 km (0.093 R)
• M15: 10,495,936 km (0.089 R)
• M16: 12,193,872 km (0.116 R)
• M17: 12,665,554 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.9

Radius: 3.7

Gravity: 52 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.53 AU - 8.53 AU

Year: 12035 Days

Day: 17.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,593,950 km

• M1: 279,299 km (0.105 R)
• M2: 422,464 km (0.061 R)
• M3: 833,559 km (0.077 R)
• M4: 1,440,777 km (0.111 R)
• M5: 2,319,515 km (0.104 R)
• M6: 2,759,183 km (0.118 R)
• M7: 3,506,424 km (0.069 R)
• M8: 4,112,595 km (0.084 R)
• M9: 5,965,664 km (0.089 R)
• M10: 6,865,944 km (0.111 R)
• M11: 8,688,944 km (0.082 R)
• M12: 11,842,616 km (0.086 R)
• M13: 14,569,935 km (0.118 R)
• M14: 18,472,046 km (0.085 R)
• M15: 20,704,046 km (0.117 R)
• M16: 21,398,330 km (0.051 R)
• M17: 31,771,895 km (0.104 R)
• M18: 35,447,365 km (0.092 R)
• M19: 35,570,335 km (0.088 R)
• M20: 40,192,909 km (0.116 R)
• M21: 48,304,554 km (0.1 R)
• M22: 49,831,649 km (0.043 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662

Radius: 3.7

Gravity: 48.36 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.65 AU - 9.19 AU

Year: 13050 Days

Day: 21.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 56,593,950 km

• M1: 46,076 km (0.071 R)
• M2: 328,816 km (0.12 R)
• M3: 867,518 km (0.065 R)
• M4: 1,005,896 km (0.066 R)
• M5: 1,425,219 km (0.085 R)
• M6: 3,478,450 km (0.118 R)
• M7: 3,638,071 km (0.077 R)
• M8: 3,830,453 km (0.081 R)
• M9: 4,448,592 km (0.064 R)
• M10: 5,267,939 km (0.087 R)
• M11: 6,030,141 km (0.101 R)
• M12: 6,617,761 km (0.108 R)
• M13: 7,951,276 km (0.108 R)
• M14: 9,608,970 km (0.109 R)
• M15: 9,870,767 km (0.079 R)
• M16: 10,030,088 km (0.065 R)
• M17: 10,518,226 km (0.119 R)
• M18: 10,740,379 km (0.119 R)
• M19: 11,022,222 km (0.069 R)
• M20: 13,071,563 km (0.081 R)
• M21: 13,392,899 km (0.055 R)
• M22: 13,653,798 km (0.099 R)
• M23: 16,451,577 km (0.086 R)
• M24: 17,437,128 km (0.113 R)
• M25: 19,525,215 km (0.072 R)
• M26: 23,053,630 km (0.099 R)
• M27: 26,675,096 km (0.117 R)
• M28: 28,138,611 km (0.1 R)
• M29: 29,216,315 km (0.076 R)
• M30: 38,058,745 km (0.118 R)
• M31: 41,407,045 km (0.056 R)
• M32: 41,683,053 km (0.114 R)
• M33: 42,799,502 km (0.05 R)
• M34: 48,989,563 km (0.115 R)
• M35: 49,143,798 km (0.089 R)
• M36: 50,861,780 km (0.091 R)
• M37: 55,582,191 km (0.099 R)
• M38: 55,918,038 km (0.107 R)
• M39: 56,086,486 km (0.119 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 15,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit