🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.1

Radius: 8.5

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.44 AU - 0.72 AU

Year: 310 Days

Day: 13.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,006,015 km

• M1: 105,766 km (0.062 R)
• M2: 388,954 km (0.11 R)
• M3: 790,924 km (0.083 R)
• M4: 1,145,172 km (0.059 R)
• M5: 1,610,571 km (0.057 R)
• M6: 1,928,167 km (0.1 R)
• M7: 2,329,089 km (0.112 R)
• M8: 3,529,014 km (0.115 R)
• M9: 3,816,391 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.7

Radius: 13

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.06 AU - 1.32 AU

Year: 912 Days

Day: 6.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,006,015 km

• M1: 161,715 km (0.038 R)
• M2: 625,170 km (0.104 R)
• M3: 1,067,082 km (0.12 R)
• M4: 1,631,365 km (0.108 R)
• M5: 2,127,282 km (0.117 R)
• M6: 2,613,325 km (0.118 R)
• M7: 3,211,118 km (0.114 R)
• M8: 4,149,396 km (0.117 R)
• M9: 4,569,617 km (0.056 R)
• M10: 5,423,820 km (0.087 R)
• M11: 7,404,945 km (0.106 R)
• M12: 8,050,460 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.5

Radius: 11.4

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.48 AU - 1.62 AU

Year: 1356 Days

Day: 8 Hours

Environment

Temp: -189 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,006,015 km

• M1: 142,268 km (0.056 R)
• M2: 717,172 km (0.065 R)
• M3: 1,258,866 km (0.096 R)
• M4: 1,887,028 km (0.069 R)
• M5: 2,284,509 km (0.073 R)
• M6: 2,956,353 km (0.091 R)
• M7: 3,539,785 km (0.097 R)
• M8: 4,072,952 km (0.087 R)
• M9: 4,507,683 km (0.096 R)
• M10: 4,884,670 km (0.102 R)
• M11: 7,850,447 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.3

Radius: 9.4

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.4 AU - 1.74 AU

Year: 1383 Days

Day: 10.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,006,015 km

• M1: 117,584 km (0.052 R)
• M2: 577,597 km (0.093 R)
• M3: 950,844 km (0.079 R)
• M4: 1,437,336 km (0.064 R)
• M5: 1,903,334 km (0.086 R)
• M6: 2,526,409 km (0.108 R)
• M7: 2,886,042 km (0.093 R)
• M8: 3,818,336 km (0.044 R)
• M9: 4,414,783 km (0.114 R)
• M10: 4,772,322 km (0.085 R)
• M11: 5,246,397 km (0.047 R)
• M12: 5,606,928 km (0.042 R)
• M13: 6,005,307 km (0.103 R)
• M14: 6,377,806 km (0.11 R)
• M15: 7,072,987 km (0.116 R)
• M16: 8,641,072 km (0.088 R)
• M17: 9,317,404 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383

Radius: 14

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.37 AU - 2.11 AU

Year: 1613 Days

Day: 10 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,006,015 km

• M1: 178,919 km (0.11 R)
• M2: 619,335 km (0.065 R)
• M3: 1,059,153 km (0.119 R)
• M4: 2,242,472 km (0.051 R)
• M5: 2,868,838 km (0.116 R)
• M6: 4,111,548 km (0.098 R)
• M7: 6,392,167 km (0.091 R)
• M8: 7,687,535 km (0.103 R)
• M9: 8,383,913 km (0.088 R)
• M10: 9,328,175 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.3

Radius: 6.9

Gravity: 18.3 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.57 AU - 8.49 AU

Year: 13102 Days

Day: 23.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,006,015 km

• M1: 88,113 km (0.116 R)
• M2: 575,204 km (0.106 R)
• M3: 955,033 km (0.064 R)
• M4: 1,241,513 km (0.088 R)
• M5: 1,917,994 km (0.117 R)
• M6: 2,794,189 km (0.073 R)
• M7: 3,942,053 km (0.075 R)
• M8: 4,492,274 km (0.116 R)
• M9: 4,852,955 km (0.078 R)
• M10: 5,092,312 km (0.115 R)
• M11: 5,558,010 km (0.112 R)
• M12: 6,574,378 km (0.102 R)
• M13: 7,755,453 km (0.083 R)
• M14: 8,226,836 km (0.069 R)
• M15: 8,568,068 km (0.079 R)
• M16: 9,226,748 km (0.102 R)
• M17: 12,077,186 km (0.083 R)
• M18: 14,043,051 km (0.088 R)
• M19: 18,265,750 km (0.118 R)
• M20: 19,784,618 km (0.109 R)
• M21: 20,397,370 km (0.071 R)
• M22: 23,360,904 km (0.054 R)
• M23: 23,750,457 km (0.111 R)
• M24: 28,436,162 km (0.078 R)
• M25: 29,329,111 km (0.118 R)
• M26: 30,587,080 km (0.036 R)
• M27: 37,023,977 km (0.108 R)
• M28: 41,402,856 km (0.055 R)
• M29: 47,036,563 km (0.07 R)
• M30: 50,520,847 km (0.078 R)
• M31: 53,328,200 km (0.1 R)
• M32: 53,834,290 km (0.092 R)
• M33: 57,998,047 km (0.089 R)
• M34: 60,706,666 km (0.109 R)
• M35: 61,627,890 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.7

Radius: 4.1

Gravity: 38.23 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.94 AU - 10.58 AU

Year: 21433 Days

Day: 19.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 78,006,015 km

• M1: 52,658 km (0.117 R)
• M2: 199,564 km (0.079 R)
• M3: 440,715 km (0.111 R)
• M4: 1,115,252 km (0.079 R)
• M5: 1,283,699 km (0.095 R)
• M6: 1,654,552 km (0.075 R)
• M7: 2,241,126 km (0.051 R)
• M8: 2,557,824 km (0.096 R)
• M9: 2,929,575 km (0.117 R)
• M10: 3,196,757 km (0.093 R)
• M11: 3,479,946 km (0.098 R)
• M12: 3,872,939 km (0.093 R)
• M13: 4,328,465 km (0.036 R)
• M14: 4,710,837 km (0.102 R)
• M15: 5,951,153 km (0.033 R)
• M16: 6,467,714 km (0.095 R)
• M17: 6,646,334 km (0.075 R)
• M18: 7,589,399 km (0.095 R)
• M19: 8,944,457 km (0.109 R)
• M20: 10,391,816 km (0.11 R)
• M21: 11,722,489 km (0.068 R)
• M22: 14,411,810 km (0.051 R)
• M23: 20,775,105 km (0.092 R)
• M24: 25,327,368 km (0.087 R)
• M25: 27,599,760 km (0.104 R)
• M26: 29,880,978 km (0.073 R)
• M27: 31,257,577 km (0.11 R)
• M28: 32,414,867 km (0.085 R)
• M29: 33,334,445 km (0.073 R)
• M30: 34,136,439 km (0.112 R)
• M31: 39,220,223 km (0.06 R)
• M32: 40,716,950 km (0.119 R)
• M33: 45,272,205 km (0.102 R)
• M34: 46,090,356 km (0.12 R)
• M35: 48,433,807 km (0.094 R)
• M36: 48,774,890 km (0.087 R)
• M37: 51,739,471 km (0.096 R)
• M38: 57,259,931 km (0.107 R)
• M39: 60,951,857 km (0.042 R)
• M40: 64,386,774 km (0.083 R)
• M41: 69,452,607 km (0.061 R)
• M42: 70,978,655 km (0.053 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 10,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit