🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.2

Radius: 12.2

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.98 AU - 1.04 AU

Year: 701 Days

Day: 7.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,006,543 km

• M1: 153,188 km (0.043 R)
• M2: 671,096 km (0.109 R)
• M3: 1,814,921 km (0.032 R)
• M4: 2,712,359 km (0.101 R)
• M5: 4,038,245 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299

Radius: 9.6

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.45 AU - 2.01 AU

Year: 1571 Days

Day: 11.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,006,543 km

• M1: 119,529 km (0.04 R)
• M2: 512,822 km (0.1 R)
• M3: 1,205,908 km (0.028 R)
• M4: 2,027,051 km (0.081 R)
• M5: 2,589,539 km (0.071 R)
• M6: 6,433,606 km (0.114 R)
• M7: 8,867,414 km (0.052 R)
• M8: 10,212,448 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.2

Radius: 8.2

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.76 AU - 1.9 AU

Year: 1709 Days

Day: 6.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,006,543 km

• M1: 102,026 km (0.055 R)
• M2: 406,158 km (0.082 R)
• M3: 711,487 km (0.095 R)
• M4: 1,668,615 km (0.108 R)
• M5: 2,403,290 km (0.053 R)
• M6: 2,985,824 km (0.072 R)
• M7: 3,865,160 km (0.079 R)
• M8: 4,268,027 km (0.066 R)
• M9: 4,871,804 km (0.036 R)
• M10: 5,436,387 km (0.048 R)
• M11: 5,724,811 km (0.119 R)
• M12: 6,145,929 km (0.107 R)
• M13: 6,501,673 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.4

Radius: 8.7

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.76 AU - 3.38 AU

Year: 3713 Days

Day: 9.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,006,543 km

• M1: 108,458 km (0.072 R)
• M2: 465,100 km (0.11 R)
• M3: 869,313 km (0.06 R)
• M4: 1,312,721 km (0.059 R)
• M5: 1,658,891 km (0.087 R)
• M6: 2,643,544 km (0.108 R)
• M7: 3,216,653 km (0.058 R)
• M8: 5,266,443 km (0.109 R)
• M9: 5,707,608 km (0.09 R)
• M10: 6,664,286 km (0.12 R)
• M11: 8,236,111 km (0.067 R)
• M12: 9,941,526 km (0.043 R)
• M13: 11,071,140 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.3

Radius: 10.9

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.53 AU - 3.97 AU

Year: 4044 Days

Day: 7.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,006,543 km

• M1: 140,173 km (0.066 R)
• M2: 517,609 km (0.047 R)
• M3: 881,730 km (0.086 R)
• M4: 1,284,747 km (0.083 R)
• M5: 2,004,462 km (0.119 R)
• M6: 2,494,844 km (0.096 R)
• M7: 3,266,470 km (0.119 R)
• M8: 4,079,534 km (0.058 R)
• M9: 4,534,162 km (0.11 R)
• M10: 5,518,665 km (0.088 R)
• M11: 5,904,927 km (0.115 R)
• M12: 6,794,137 km (0.11 R)
• M13: 7,238,592 km (0.077 R)
• M14: 7,668,686 km (0.068 R)
• M15: 8,616,538 km (0.064 R)
• M16: 9,445,310 km (0.072 R)
• M17: 10,040,261 km (0.105 R)
• M18: 10,617,858 km (0.049 R)
• M19: 10,957,745 km (0.072 R)
• M20: 12,205,391 km (0.109 R)
• M21: 12,959,514 km (0.12 R)
• M22: 14,250,843 km (0.104 R)
• M23: 16,233,912 km (0.091 R)
• M24: 16,914,882 km (0.082 R)
• M25: 19,259,978 km (0.108 R)
• M26: 19,830,544 km (0.036 R)
• M27: 21,677,928 km (0.115 R)
• M28: 22,503,708 km (0.058 R)
• M29: 22,924,378 km (0.117 R)
• M30: 24,957,562 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.8

Radius: 8.4

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.21 AU - 4.13 AU

Year: 4853 Days

Day: 11.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,006,543 km

• M1: 104,419 km (0.044 R)
• M2: 482,453 km (0.068 R)
• M3: 1,291,778 km (0.093 R)
• M4: 2,406,581 km (0.093 R)
• M5: 2,954,708 km (0.057 R)
• M6: 3,275,146 km (0.078 R)
• M7: 5,334,062 km (0.107 R)
• M8: 6,265,009 km (0.101 R)
• M9: 7,157,959 km (0.11 R)
• M10: 9,329,222 km (0.095 R)
• M11: 10,749,804 km (0.059 R)
• M12: 12,638,327 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.1

Radius: 8.6

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.1 AU - 4.96 AU

Year: 5584 Days

Day: 13.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,006,543 km

• M1: 178,321 km (0.119 R)
• M2: 544,686 km (0.086 R)
• M3: 1,094,458 km (0.055 R)
• M4: 1,484,310 km (0.098 R)
• M5: 2,005,359 km (0.099 R)
• M6: 3,391,234 km (0.111 R)
• M7: 4,767,834 km (0.093 R)
• M8: 6,071,280 km (0.111 R)
• M9: 6,393,813 km (0.106 R)
• M10: 7,137,614 km (0.105 R)
• M11: 8,288,470 km (0.106 R)
• M12: 9,755,576 km (0.11 R)
• M13: 10,996,491 km (0.072 R)
• M14: 14,502,317 km (0.102 R)
• M15: 14,973,849 km (0.09 R)
• M16: 18,262,609 km (0.059 R)
• M17: 21,798,803 km (0.098 R)
• M18: 24,345,557 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.4

Radius: 7.7

Gravity: 14.41 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.6 AU - 7.38 AU

Year: 10119 Days

Day: 23.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,006,543 km

• M1: 108,159 km (0.089 R)
• M2: 364,570 km (0.09 R)
• M3: 795,561 km (0.102 R)
• M4: 1,128,866 km (0.092 R)
• M5: 1,749,397 km (0.08 R)
• M6: 2,966,825 km (0.106 R)
• M7: 3,222,637 km (0.064 R)
• M8: 4,251,871 km (0.111 R)
• M9: 4,547,925 km (0.118 R)
• M10: 4,794,612 km (0.072 R)
• M11: 5,450,898 km (0.115 R)
• M12: 5,694,293 km (0.071 R)
• M13: 6,165,676 km (0.111 R)
• M14: 8,315,398 km (0.092 R)
• M15: 9,608,372 km (0.104 R)
• M16: 13,262,150 km (0.117 R)
• M17: 16,490,323 km (0.112 R)
• M18: 28,404,746 km (0.066 R)
• M19: 40,518,134 km (0.085 R)
• M20: 44,042,960 km (0.115 R)
• M21: 45,879,722 km (0.107 R)
• M22: 48,506,511 km (0.103 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 19,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit