🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978

Radius: 14

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.56 AU - 0.68 AU

Year: 331 Days

Day: 13.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,828,736 km

• M1: 189,840 km (0.059 R)
• M2: 633,397 km (0.101 R)
• M3: 1,242,410 km (0.066 R)
• M4: 1,766,751 km (0.044 R)
• M5: 2,367,685 km (0.052 R)
• M6: 3,212,465 km (0.116 R)
• M7: 3,962,100 km (0.076 R)
• M8: 4,652,045 km (0.097 R)
• M9: 5,201,967 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.6

Radius: 10.3

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.54 AU - 0.76 AU

Year: 355 Days

Day: 5.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,828,736 km

• M1: 128,056 km (0.093 R)
• M2: 473,776 km (0.103 R)
• M3: 891,753 km (0.109 R)
• M4: 1,261,858 km (0.068 R)
• M5: 1,770,192 km (0.057 R)
• M6: 2,096,764 km (0.111 R)
• M7: 2,472,703 km (0.1 R)
• M8: 2,835,029 km (0.116 R)
• M9: 3,308,058 km (0.094 R)
• M10: 3,656,172 km (0.12 R)
• M11: 4,003,837 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.1

Radius: 14.1

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.62 AU - 0.72 AU

Year: 372 Days

Day: 13.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,828,736 km

• M1: 175,329 km (0.078 R)
• M2: 628,311 km (0.117 R)
• M3: 1,109,717 km (0.041 R)
• M4: 1,588,131 km (0.039 R)
• M5: 2,301,713 km (0.102 R)
• M6: 3,156,216 km (0.107 R)
• M7: 3,737,553 km (0.11 R)
• M8: 4,966,051 km (0.076 R)
• M9: 5,414,994 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.9

Radius: 11.5

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.74 AU - 3.92 AU

Year: 5084 Days

Day: 7.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,828,736 km

• M1: 152,590 km (0.094 R)
• M2: 754,123 km (0.054 R)
• M3: 1,766,452 km (0.111 R)
• M4: 3,721,397 km (0.106 R)
• M5: 4,400,571 km (0.106 R)
• M6: 8,484,892 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.7

Radius: 12.7

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.23 AU - 5.67 AU

Year: 7470 Days

Day: 11.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,828,736 km

• M1: 158,723 km (0.115 R)
• M2: 774,468 km (0.12 R)
• M3: 1,213,089 km (0.113 R)
• M4: 2,191,160 km (0.098 R)
• M5: 3,483,985 km (0.073 R)
• M6: 4,259,650 km (0.112 R)
• M7: 6,025,952 km (0.057 R)
• M8: 6,518,278 km (0.065 R)
• M9: 7,887,398 km (0.056 R)
• M10: 8,317,342 km (0.091 R)
• M11: 8,970,936 km (0.072 R)
• M12: 10,015,278 km (0.1 R)
• M13: 11,681,350 km (0.091 R)
• M14: 12,138,222 km (0.033 R)
• M15: 14,143,132 km (0.059 R)
• M16: 14,662,536 km (0.099 R)
• M17: 15,556,383 km (0.106 R)
• M18: 16,047,812 km (0.117 R)
• M19: 16,932,684 km (0.072 R)
• M20: 17,518,509 km (0.063 R)
• M21: 18,593,519 km (0.039 R)
• M22: 21,548,526 km (0.077 R)
• M23: 25,305,976 km (0.095 R)
• M24: 29,854,649 km (0.116 R)
• M25: 34,400,928 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.2

Radius: 6.6

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.81 AU - 7.65 AU

Year: 11842 Days

Day: 15.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,828,736 km

• M1: 82,129 km (0.065 R)
• M2: 306,975 km (0.086 R)
• M3: 518,357 km (0.048 R)
• M4: 823,835 km (0.094 R)
• M5: 1,481,019 km (0.033 R)
• M6: 1,687,165 km (0.066 R)
• M7: 2,244,716 km (0.077 R)
• M8: 2,480,781 km (0.1 R)
• M9: 2,876,468 km (0.112 R)
• M10: 3,596,333 km (0.047 R)
• M11: 5,105,027 km (0.101 R)
• M12: 6,693,458 km (0.065 R)
• M13: 7,741,690 km (0.069 R)
• M14: 8,895,239 km (0.1 R)
• M15: 11,645,446 km (0.11 R)
• M16: 12,079,729 km (0.113 R)
• M17: 13,447,502 km (0.047 R)
• M18: 15,169,972 km (0.032 R)
• M19: 17,242,950 km (0.08 R)
• M20: 17,950,099 km (0.092 R)
• M21: 20,032,651 km (0.104 R)
• M22: 20,972,574 km (0.074 R)
• M23: 21,212,080 km (0.115 R)
• M24: 23,795,037 km (0.09 R)
• M25: 24,318,181 km (0.071 R)
• M26: 26,394,450 km (0.1 R)
• M27: 26,861,046 km (0.111 R)
• M28: 29,675,879 km (0.116 R)
• M29: 32,361,610 km (0.096 R)
• M30: 35,656,652 km (0.119 R)
• M31: 39,048,186 km (0.111 R)
• M32: 40,759,885 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.5

Radius: 3.9

Gravity: 65.25 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.88 AU - 8.56 AU

Year: 13158 Days

Day: 18.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,828,736 km

• M1: 48,470 km (0.077 R)
• M2: 281,543 km (0.093 R)
• M3: 453,880 km (0.09 R)
• M4: 948,151 km (0.025 R)
• M5: 1,539,212 km (0.049 R)
• M6: 2,025,106 km (0.073 R)
• M7: 3,398,864 km (0.054 R)
• M8: 4,501,250 km (0.114 R)
• M9: 5,222,910 km (0.108 R)
• M10: 7,067,452 km (0.073 R)
• M11: 7,846,708 km (0.094 R)
• M12: 8,038,043 km (0.104 R)
• M13: 8,330,956 km (0.056 R)
• M14: 10,876,364 km (0.064 R)
• M15: 11,662,500 km (0.083 R)
• M16: 11,911,730 km (0.078 R)
• M17: 13,896,146 km (0.111 R)
• M18: 14,247,103 km (0.106 R)
• M19: 14,748,106 km (0.094 R)
• M20: 15,709,721 km (0.094 R)
• M21: 19,015,385 km (0.111 R)
• M22: 21,896,341 km (0.106 R)
• M23: 22,853,020 km (0.079 R)
• M24: 34,635,198 km (0.086 R)
• M25: 35,021,011 km (0.099 R)
• M26: 35,409,517 km (0.077 R)
• M27: 37,665,901 km (0.111 R)
• M28: 42,316,151 km (0.111 R)
• M29: 45,312,746 km (0.074 R)
• M30: 47,809,535 km (0.097 R)
• M31: 51,557,111 km (0.067 R)
• M32: 51,891,911 km (0.107 R)
• M33: 53,587,902 km (0.103 R)
• M34: 64,934,452 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569

Radius: 7.7

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.54 AU - 8.36 AU

Year: 13792 Days

Day: 21.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,828,736 km

• M1: 95,892 km (0.09 R)
• M2: 399,576 km (0.117 R)
• M3: 657,483 km (0.094 R)
• M4: 1,676,992 km (0.075 R)
• M5: 2,026,752 km (0.117 R)
• M6: 2,344,797 km (0.079 R)
• M7: 3,105,951 km (0.107 R)
• M8: 3,635,976 km (0.096 R)
• M9: 4,941,068 km (0.089 R)
• M10: 5,345,581 km (0.114 R)
• M11: 7,188,477 km (0.075 R)
• M12: 9,675,093 km (0.098 R)
• M13: 11,082,809 km (0.101 R)
• M14: 12,746,038 km (0.096 R)
• M15: 13,507,491 km (0.107 R)
• M16: 14,501,270 km (0.072 R)
• M17: 15,472,160 km (0.069 R)
• M18: 16,118,722 km (0.089 R)
• M19: 19,048,746 km (0.101 R)
• M20: 27,993,801 km (0.073 R)
• M21: 29,934,534 km (0.116 R)
• M22: 31,618,856 km (0.062 R)
• M23: 33,961,709 km (0.092 R)
• M24: 34,443,713 km (0.027 R)
• M25: 35,917,402 km (0.063 R)
• M26: 38,076,248 km (0.037 R)
• M27: 40,051,688 km (0.107 R)
• M28: 45,360,169 km (0.108 R)
• M29: 45,944,947 km (0.091 R)
• M30: 47,729,051 km (0.118 R)
• M31: 52,070,980 km (0.079 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 19,781 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit