🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.6

Radius: 10.1

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.79 AU - 1.09 AU

Year: 618 Days

Day: 9.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,281,924 km

• M1: 125,662 km (0.103 R)
• M2: 460,911 km (0.075 R)
• M3: 787,483 km (0.087 R)
• M4: 1,680,433 km (0.107 R)
• M5: 2,395,511 km (0.095 R)
• M6: 2,879,759 km (0.031 R)
• M7: 3,302,074 km (0.105 R)
• M8: 3,691,327 km (0.112 R)
• M9: 4,032,411 km (0.055 R)
• M10: 4,986,546 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.8

Radius: 11.9

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.87 AU - 1.31 AU

Year: 772 Days

Day: 14.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,281,924 km

• M1: 147,952 km (0.114 R)
• M2: 534,812 km (0.119 R)
• M3: 1,017,266 km (0.111 R)
• M4: 1,398,291 km (0.101 R)
• M5: 2,241,275 km (0.094 R)
• M6: 3,519,290 km (0.048 R)
• M7: 4,232,872 km (0.08 R)
• M8: 4,654,588 km (0.059 R)
• M9: 5,772,683 km (0.068 R)
• M10: 6,219,232 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.4

Radius: 13.3

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.17 AU - 4.47 AU

Year: 5064 Days

Day: 11 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,281,924 km

• M1: 165,754 km (0.04 R)
• M2: 1,424,172 km (0.082 R)
• M3: 2,388,629 km (0.105 R)
• M4: 5,841,198 km (0.105 R)
• M5: 6,417,599 km (0.081 R)
• M6: 7,462,540 km (0.086 R)
• M7: 11,157,907 km (0.07 R)
• M8: 13,446,904 km (0.11 R)
• M9: 17,056,252 km (0.115 R)
• M10: 17,780,754 km (0.098 R)
• M11: 18,294,324 km (0.054 R)
• M12: 19,291,543 km (0.114 R)
• M13: 20,078,278 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.2

Radius: 7.3

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.99 AU - 7.75 AU

Year: 10904 Days

Day: 21.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,281,924 km

• M1: 90,956 km (0.036 R)
• M2: 461,958 km (0.059 R)
• M3: 1,308,682 km (0.104 R)
• M4: 2,040,365 km (0.064 R)
• M5: 2,797,630 km (0.067 R)
• M6: 3,588,105 km (0.1 R)
• M7: 3,923,204 km (0.096 R)
• M8: 6,054,226 km (0.087 R)
• M9: 6,323,352 km (0.113 R)
• M10: 7,518,340 km (0.1 R)
• M11: 9,204,458 km (0.06 R)
• M12: 10,206,016 km (0.099 R)
• M13: 10,636,109 km (0.113 R)
• M14: 11,379,611 km (0.095 R)
• M15: 12,478,108 km (0.116 R)
• M16: 13,192,587 km (0.085 R)
• M17: 14,344,641 km (0.101 R)
• M18: 18,340,998 km (0.111 R)
• M19: 18,692,404 km (0.086 R)
• M20: 19,920,901 km (0.11 R)
• M21: 23,513,644 km (0.11 R)
• M22: 25,549,222 km (0.099 R)
• M23: 27,242,071 km (0.076 R)
• M24: 28,162,248 km (0.093 R)
• M25: 31,146,875 km (0.105 R)
• M26: 35,735,790 km (0.111 R)
• M27: 36,505,022 km (0.097 R)
• M28: 37,849,458 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.4

Radius: 5.3

Gravity: 14.08 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.95 AU - 7.91 AU

Year: 11059 Days

Day: 23 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,281,924 km

• M1: 65,973 km (0.073 R)
• M2: 314,455 km (0.117 R)
• M3: 525,837 km (0.079 R)
• M4: 1,488,648 km (0.116 R)
• M5: 1,740,870 km (0.102 R)
• M6: 3,178,207 km (0.088 R)
• M7: 3,770,614 km (0.117 R)
• M8: 6,023,259 km (0.119 R)
• M9: 7,711,022 km (0.107 R)
• M10: 9,178,727 km (0.102 R)
• M11: 9,690,950 km (0.099 R)
• M12: 10,772,094 km (0.086 R)
• M13: 11,289,254 km (0.101 R)
• M14: 14,997,935 km (0.102 R)
• M15: 16,439,759 km (0.091 R)
• M16: 18,625,085 km (0.078 R)
• M17: 22,796,621 km (0.084 R)
• M18: 24,519,989 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.8

Radius: 6.2

Gravity: 15.68 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.6 AU - 8.32 AU

Year: 12454 Days

Day: 21.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,281,924 km

• M1: 77,342 km (0.074 R)
• M2: 324,328 km (0.087 R)
• M3: 1,133,802 km (0.108 R)
• M4: 1,643,482 km (0.099 R)
• M5: 1,985,164 km (0.098 R)
• M6: 2,373,071 km (0.106 R)
• M7: 2,854,627 km (0.091 R)
• M8: 3,106,849 km (0.109 R)
• M9: 3,871,742 km (0.088 R)
• M10: 4,755,716 km (0.05 R)
• M11: 5,177,882 km (0.112 R)
• M12: 6,285,205 km (0.076 R)
• M13: 8,161,761 km (0.057 R)
• M14: 8,390,945 km (0.083 R)
• M15: 8,910,348 km (0.111 R)
• M16: 10,382,691 km (0.112 R)
• M17: 10,870,679 km (0.087 R)
• M18: 12,547,821 km (0.094 R)
• M19: 12,915,083 km (0.081 R)
• M20: 13,164,014 km (0.043 R)
• M21: 14,323,847 km (0.071 R)
• M22: 14,860,454 km (0.06 R)
• M23: 16,771,118 km (0.094 R)
• M24: 17,367,266 km (0.101 R)
• M25: 19,159,897 km (0.076 R)
• M26: 21,244,543 km (0.076 R)
• M27: 23,753,449 km (0.098 R)
• M28: 25,760,005 km (0.049 R)
• M29: 28,188,278 km (0.073 R)
• M30: 30,325,134 km (0.114 R)
• M31: 33,494,814 km (0.104 R)
• M32: 33,964,850 km (0.119 R)
• M33: 34,678,282 km (0.096 R)
• M34: 39,560,858 km (0.03 R)
• M35: 41,825,470 km (0.074 R)
• M36: 52,851,881 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.8

Radius: 8

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.75 AU - 8.39 AU

Year: 12750 Days

Day: 18.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,281,924 km

• M1: 103,223 km (0.091 R)
• M2: 883,675 km (0.088 R)
• M3: 1,667,268 km (0.026 R)
• M4: 2,833,084 km (0.094 R)
• M5: 3,638,968 km (0.115 R)
• M6: 4,737,615 km (0.11 R)
• M7: 5,528,090 km (0.115 R)
• M8: 6,906,934 km (0.045 R)
• M9: 7,234,703 km (0.102 R)
• M10: 8,135,731 km (0.097 R)
• M11: 8,501,497 km (0.104 R)
• M12: 8,840,187 km (0.054 R)
• M13: 9,384,574 km (0.049 R)
• M14: 11,242,280 km (0.1 R)
• M15: 11,928,037 km (0.094 R)
• M16: 12,257,451 km (0.065 R)
• M17: 12,544,679 km (0.117 R)
• M18: 13,433,290 km (0.113 R)
• M19: 14,205,365 km (0.065 R)
• M20: 16,350,748 km (0.097 R)
• M21: 18,389,917 km (0.049 R)
• M22: 24,899,668 km (0.103 R)
• M23: 26,063,091 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.6

Radius: 8

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.05 AU - 10.31 AU

Year: 17345 Days

Day: 21 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,281,924 km

• M1: 99,931 km (0.11 R)
• M2: 497,114 km (0.076 R)
• M3: 925,712 km (0.076 R)
• M4: 1,693,597 km (0.068 R)
• M5: 2,174,106 km (0.077 R)
• M6: 2,508,307 km (0.094 R)
• M7: 5,219,171 km (0.112 R)
• M8: 7,421,401 km (0.06 R)
• M9: 8,369,402 km (0.097 R)
• M10: 9,808,235 km (0.105 R)
• M11: 10,072,125 km (0.045 R)
• M12: 11,061,416 km (0.062 R)
• M13: 11,347,298 km (0.032 R)
• M14: 13,360,137 km (0.034 R)
• M15: 19,370,082 km (0.083 R)
• M16: 21,687,054 km (0.065 R)
• M17: 23,518,132 km (0.075 R)
• M18: 24,762,188 km (0.116 R)
• M19: 25,948,947 km (0.115 R)
• M20: 27,173,256 km (0.091 R)
• M21: 31,761,722 km (0.085 R)
• M22: 36,841,168 km (0.11 R)
• M23: 53,302,320 km (0.078 R)
• M24: 54,613,246 km (0.111 R)
• M25: 55,276,712 km (0.111 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 15,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit