🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.94 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.5

Radius: 12.3

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.43 AU - 2.31 AU

Year: 1705 Days

Day: 12.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,344,717 km

• M1: 153,039 km (0.1 R)
• M2: 593,156 km (0.106 R)
• M3: 1,049,878 km (0.092 R)
• M4: 1,698,983 km (0.079 R)
• M5: 2,172,311 km (0.102 R)
• M6: 2,773,545 km (0.091 R)
• M7: 3,329,301 km (0.084 R)
• M8: 3,907,347 km (0.086 R)
• M9: 5,060,447 km (0.107 R)
• M10: 5,498,619 km (0.079 R)
• M11: 5,917,045 km (0.104 R)
• M12: 6,694,505 km (0.055 R)
• M13: 7,146,739 km (0.088 R)
• M14: 9,913,103 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.1

Radius: 8

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.85 AU - 2.85 AU

Year: 2402 Days

Day: 5.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,344,717 km

• M1: 184,903 km (0.052 R)
• M2: 436,377 km (0.117 R)
• M3: 701,016 km (0.065 R)
• M4: 1,104,182 km (0.119 R)
• M5: 1,404,724 km (0.041 R)
• M6: 1,779,018 km (0.083 R)
• M7: 2,064,600 km (0.102 R)
• M8: 2,440,689 km (0.028 R)
• M9: 3,111,636 km (0.075 R)
• M10: 3,735,758 km (0.102 R)
• M11: 4,550,618 km (0.118 R)
• M12: 6,528,451 km (0.102 R)
• M13: 7,444,439 km (0.077 R)
• M14: 9,621,237 km (0.063 R)
• M15: 10,838,067 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507

Radius: 15

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.05 AU - 2.73 AU

Year: 2464 Days

Day: 9.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,344,717 km

• M1: 186,549 km (0.111 R)
• M2: 770,429 km (0.119 R)
• M3: 1,382,434 km (0.097 R)
• M4: 2,409,124 km (0.037 R)
• M5: 3,006,020 km (0.105 R)
• M6: 4,380,824 km (0.113 R)
• M7: 5,723,315 km (0.091 R)
• M8: 6,961,088 km (0.11 R)
• M9: 7,468,973 km (0.077 R)
• M10: 8,945,953 km (0.107 R)
• M11: 10,034,128 km (0.107 R)
• M12: 10,537,225 km (0.102 R)
• M13: 11,594,134 km (0.079 R)
• M14: 14,500,522 km (0.075 R)
• M15: 15,426,682 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.5

Radius: 11.2

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.77 AU - 4.49 AU

Year: 4612 Days

Day: 5.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,344,717 km

• M1: 139,276 km (0.11 R)
• M2: 649,704 km (0.051 R)
• M3: 1,270,535 km (0.087 R)
• M4: 2,153,611 km (0.095 R)
• M5: 2,960,093 km (0.11 R)
• M6: 4,929,399 km (0.096 R)
• M7: 6,215,941 km (0.06 R)
• M8: 9,368,417 km (0.092 R)
• M9: 10,530,194 km (0.105 R)
• M10: 10,884,891 km (0.04 R)
• M11: 13,319,895 km (0.105 R)
• M12: 16,728,183 km (0.07 R)
• M13: 19,065,650 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.2

Radius: 12.1

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.09 AU - 6.19 AU

Year: 8932 Days

Day: 11.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,344,717 km

• M1: 153,188 km (0.084 R)
• M2: 745,147 km (0.11 R)
• M3: 1,180,028 km (0.111 R)
• M4: 1,614,759 km (0.09 R)
• M5: 2,157,500 km (0.099 R)
• M6: 2,975,651 km (0.056 R)
• M7: 3,591,246 km (0.093 R)
• M8: 4,578,443 km (0.082 R)
• M9: 5,960,278 km (0.113 R)
• M10: 7,194,162 km (0.096 R)
• M11: 7,910,586 km (0.08 R)
• M12: 8,632,545 km (0.029 R)
• M13: 10,535,729 km (0.118 R)
• M14: 12,019,591 km (0.109 R)
• M15: 14,093,765 km (0.103 R)
• M16: 15,215,749 km (0.073 R)
• M17: 16,079,976 km (0.103 R)
• M18: 18,452,598 km (0.065 R)
• M19: 19,578,621 km (0.112 R)
• M20: 21,967,251 km (0.108 R)
• M21: 22,357,252 km (0.111 R)
• M22: 23,312,285 km (0.118 R)
• M23: 24,627,699 km (0.116 R)
• M24: 26,078,798 km (0.074 R)
• M25: 30,871,465 km (0.075 R)
• M26: 32,658,711 km (0.102 R)
• M27: 33,167,194 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 689.4

Radius: 6

Gravity: 19.15 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.77 AU - 7.23 AU

Year: 9801 Days

Day: 18 Hours

Environment

Temp: -233 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,344,717 km

• M1: 75,248 km (0.098 R)
• M2: 279,598 km (0.118 R)
• M3: 564,882 km (0.073 R)
• M4: 1,147,116 km (0.04 R)
• M5: 1,443,769 km (0.097 R)
• M6: 1,698,983 km (0.105 R)
• M7: 2,209,561 km (0.071 R)
• M8: 2,510,551 km (0.077 R)
• M9: 2,946,928 km (0.071 R)
• M10: 3,836,886 km (0.092 R)
• M11: 5,242,657 km (0.108 R)
• M12: 6,766,611 km (0.089 R)
• M13: 9,499,764 km (0.078 R)
• M14: 11,135,467 km (0.104 R)
• M15: 11,906,943 km (0.06 R)
• M16: 12,248,176 km (0.079 R)
• M17: 13,865,329 km (0.097 R)
• M18: 15,019,327 km (0.104 R)
• M19: 16,166,743 km (0.107 R)
• M20: 18,032,827 km (0.115 R)
• M21: 22,016,319 km (0.1 R)
• M22: 34,917,190 km (0.056 R)
• M23: 35,616,411 km (0.096 R)
• M24: 35,969,462 km (0.11 R)
• M25: 37,405,003 km (0.111 R)
• M26: 39,252,686 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.4

Radius: 5.3

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.87 AU - 9.03 AU

Year: 13560 Days

Day: 15.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,344,717 km

• M1: 65,973 km (0.09 R)
• M2: 237,861 km (0.037 R)
• M3: 457,470 km (0.098 R)
• M4: 1,568,683 km (0.099 R)
• M5: 3,620,268 km (0.103 R)
• M6: 4,766,039 km (0.072 R)
• M7: 6,855,472 km (0.108 R)
• M8: 7,254,749 km (0.086 R)
• M9: 11,829,003 km (0.033 R)
• M10: 18,571,080 km (0.12 R)
• M11: 20,437,014 km (0.088 R)
• M12: 25,469,337 km (0.071 R)
• M13: 28,131,880 km (0.05 R)
• M14: 28,872,090 km (0.074 R)
• M15: 31,367,382 km (0.109 R)
• M16: 31,863,150 km (0.078 R)
• M17: 36,344,653 km (0.093 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 18,965 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit