🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.1

Radius: 11.9

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.68 AU - 0.74 AU

Year: 380 Days

Day: 5.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,743,759 km

• M1: 148,551 km (0.051 R)
• M2: 565,031 km (0.107 R)
• M3: 1,086,679 km (0.119 R)
• M4: 1,857,407 km (0.115 R)
• M5: 2,428,871 km (0.099 R)
• M6: 2,819,022 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.3

Radius: 12.9

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.96 AU - 1.3 AU

Year: 764 Days

Day: 11.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,743,759 km

• M1: 160,967 km (0.12 R)
• M2: 641,625 km (0.101 R)
• M3: 1,051,972 km (0.115 R)
• M4: 1,468,602 km (0.046 R)
• M5: 2,111,873 km (0.111 R)
• M6: 2,581,910 km (0.115 R)
• M7: 3,476,355 km (0.098 R)
• M8: 4,209,834 km (0.12 R)
• M9: 5,011,379 km (0.074 R)
• M10: 5,501,162 km (0.069 R)
• M11: 6,041,510 km (0.078 R)
• M12: 6,499,130 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.3

Radius: 10.1

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.19 AU - 1.33 AU

Year: 899 Days

Day: 12 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,743,759 km

• M1: 125,662 km (0.096 R)
• M2: 664,813 km (0.118 R)
• M3: 981,811 km (0.111 R)
• M4: 1,537,268 km (0.074 R)
• M5: 3,728,577 km (0.052 R)
• M6: 4,203,551 km (0.086 R)
• M7: 4,542,240 km (0.092 R)
• M8: 5,489,793 km (0.064 R)
• M9: 6,148,323 km (0.094 R)
• M10: 6,904,989 km (0.059 R)
• M11: 7,306,061 km (0.102 R)
• M12: 8,154,879 km (0.101 R)
• M13: 8,819,991 km (0.07 R)
• M14: 9,929,259 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.7

Radius: 10.8

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.85 AU - 2.09 AU

Year: 1758 Days

Day: 8.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,743,759 km

• M1: 134,339 km (0.115 R)
• M2: 480,508 km (0.092 R)
• M3: 843,283 km (0.11 R)
• M4: 1,415,645 km (0.092 R)
• M5: 1,861,596 km (0.06 R)
• M6: 3,667,990 km (0.076 R)
• M7: 4,012,664 km (0.106 R)
• M8: 4,459,064 km (0.077 R)
• M9: 5,224,257 km (0.085 R)
• M10: 6,906,335 km (0.113 R)
• M11: 7,841,472 km (0.051 R)
• M12: 8,262,889 km (0.034 R)
• M13: 10,710,609 km (0.035 R)
• M14: 13,520,506 km (0.113 R)
• M15: 14,348,829 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.2

Radius: 13.8

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.99 AU - 2.37 AU

Year: 2047 Days

Day: 6.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,743,759 km

• M1: 171,888 km (0.088 R)
• M2: 675,584 km (0.107 R)
• M3: 1,374,655 km (0.045 R)
• M4: 1,810,433 km (0.11 R)
• M5: 2,340,459 km (0.113 R)
• M6: 3,138,264 km (0.093 R)
• M7: 4,316,647 km (0.063 R)
• M8: 4,789,974 km (0.063 R)
• M9: 6,498,382 km (0.101 R)
• M10: 6,963,033 km (0.096 R)
• M11: 7,589,100 km (0.115 R)
• M12: 8,282,337 km (0.082 R)
• M13: 8,736,665 km (0.107 R)
• M14: 9,303,940 km (0.065 R)
• M15: 10,166,821 km (0.055 R)
• M16: 11,118,712 km (0.091 R)
• M17: 11,937,611 km (0.101 R)
• M18: 12,558,143 km (0.119 R)
• M19: 13,118,686 km (0.107 R)
• M20: 14,593,272 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.1

Radius: 12.7

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.11 AU - 3.31 AU

Year: 3657 Days

Day: 13.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,743,759 km

• M1: 157,975 km (0.12 R)
• M2: 599,887 km (0.077 R)
• M3: 1,024,745 km (0.112 R)
• M4: 1,504,057 km (0.09 R)
• M5: 1,909,916 km (0.099 R)
• M6: 2,404,187 km (0.076 R)
• M7: 2,822,463 km (0.065 R)
• M8: 4,512,171 km (0.059 R)
• M9: 4,988,939 km (0.111 R)
• M10: 6,288,646 km (0.092 R)
• M11: 6,710,960 km (0.065 R)
• M12: 7,802,726 km (0.071 R)
• M13: 8,526,181 km (0.086 R)
• M14: 9,993,437 km (0.083 R)
• M15: 10,609,631 km (0.106 R)
• M16: 11,210,116 km (0.103 R)
• M17: 11,623,007 km (0.078 R)
• M18: 13,285,488 km (0.108 R)
• M19: 14,657,300 km (0.082 R)
• M20: 15,504,024 km (0.077 R)
• M21: 15,913,773 km (0.044 R)
• M22: 17,847,475 km (0.095 R)
• M23: 19,103,798 km (0.109 R)
• M24: 20,235,506 km (0.041 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.8

Radius: 3.6

Gravity: 37.79 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.74 AU - 6.78 AU

Year: 9959 Days

Day: 20.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,743,759 km

• M1: 44,730 km (0.046 R)
• M2: 167,101 km (0.034 R)
• M3: 289,621 km (0.115 R)
• M4: 417,976 km (0.109 R)
• M5: 627,713 km (0.076 R)
• M6: 1,002,306 km (0.07 R)
• M7: 1,497,026 km (0.058 R)
• M8: 2,053,530 km (0.073 R)
• M9: 3,782,133 km (0.12 R)
• M10: 3,961,651 km (0.086 R)
• M11: 4,255,311 km (0.041 R)
• M12: 5,382,083 km (0.083 R)
• M13: 5,576,560 km (0.086 R)
• M14: 5,809,334 km (0.106 R)
• M15: 7,187,579 km (0.108 R)
• M16: 7,344,358 km (0.104 R)
• M17: 8,204,695 km (0.096 R)
• M18: 10,369,526 km (0.068 R)
• M19: 11,716,954 km (0.082 R)
• M20: 15,982,139 km (0.097 R)
• M21: 16,316,490 km (0.108 R)
• M22: 17,986,451 km (0.107 R)
• M23: 18,275,474 km (0.099 R)
• M24: 19,311,290 km (0.106 R)
• M25: 19,538,230 km (0.088 R)
• M26: 20,074,688 km (0.036 R)
• M27: 30,451,694 km (0.104 R)
• M28: 34,835,061 km (0.089 R)
• M29: 39,499,074 km (0.071 R)
• M30: 40,602,956 km (0.119 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 16,522 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit