🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.8

Radius: 10

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.72 AU - 0.88 AU

Year: 485 Days

Day: 13.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,799,983 km

• M1: 124,465 km (0.076 R)
• M2: 480,957 km (0.071 R)
• M3: 836,551 km (0.084 R)
• M4: 1,238,371 km (0.108 R)
• M5: 1,895,854 km (0.093 R)
• M6: 2,537,479 km (0.104 R)
• M7: 3,329,450 km (0.098 R)
• M8: 3,770,764 km (0.112 R)
• M9: 4,130,547 km (0.067 R)
• M10: 4,845,026 km (0.07 R)
• M11: 5,349,769 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.5

Radius: 12.2

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.79 AU - 1.03 AU

Year: 589 Days

Day: 6.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,799,983 km

• M1: 163,660 km (0.085 R)
• M2: 556,354 km (0.09 R)
• M3: 1,398,291 km (0.115 R)
• M4: 1,844,093 km (0.108 R)
• M5: 2,335,372 km (0.114 R)
• M6: 2,721,634 km (0.108 R)
• M7: 3,350,693 km (0.115 R)
• M8: 3,776,149 km (0.084 R)
• M9: 4,405,059 km (0.092 R)
• M10: 4,950,792 km (0.08 R)
• M11: 5,345,282 km (0.06 R)
• M12: 5,986,159 km (0.056 R)
• M13: 6,434,803 km (0.115 R)
• M14: 6,822,261 km (0.096 R)
• M15: 7,377,868 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.1

Radius: 11.6

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.1 AU - 1.2 AU

Year: 836 Days

Day: 7.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,799,983 km

• M1: 144,362 km (0.077 R)
• M2: 587,770 km (0.095 R)
• M3: 984,653 km (0.114 R)
• M4: 1,444,816 km (0.07 R)
• M5: 1,841,849 km (0.086 R)
• M6: 2,362,749 km (0.079 R)
• M7: 3,258,840 km (0.12 R)
• M8: 4,316,946 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997

Radius: 12.8

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.82 AU - 3.06 AU

Year: 3419 Days

Day: 14.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,799,983 km

• M1: 159,172 km (0.109 R)
• M2: 561,890 km (0.099 R)
• M3: 1,082,341 km (0.064 R)
• M4: 1,607,878 km (0.057 R)
• M5: 2,143,289 km (0.09 R)
• M6: 2,865,398 km (0.1 R)
• M7: 3,284,421 km (0.072 R)
• M8: 4,045,426 km (0.055 R)
• M9: 4,697,074 km (0.053 R)
• M10: 5,947,862 km (0.117 R)
• M11: 6,421,040 km (0.032 R)
• M12: 8,242,992 km (0.116 R)
• M13: 9,214,930 km (0.074 R)
• M14: 9,890,962 km (0.116 R)
• M15: 11,521,729 km (0.036 R)
• M16: 12,979,560 km (0.047 R)
• M17: 18,960,483 km (0.04 R)
• M18: 19,858,669 km (0.074 R)
• M19: 23,299,420 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.9

Radius: 8.6

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.22 AU - 3.48 AU

Year: 4159 Days

Day: 12.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,799,983 km

• M1: 106,962 km (0.11 R)
• M2: 384,766 km (0.106 R)
• M3: 656,136 km (0.093 R)
• M4: 1,159,533 km (0.097 R)
• M5: 2,286,603 km (0.072 R)
• M6: 3,063,016 km (0.085 R)
• M7: 3,348,599 km (0.071 R)
• M8: 3,833,296 km (0.12 R)
• M9: 4,656,234 km (0.114 R)
• M10: 5,318,354 km (0.113 R)
• M11: 5,773,281 km (0.12 R)
• M12: 7,609,445 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.7

Radius: 11

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.46 AU - 4.82 AU

Year: 6779 Days

Day: 5.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,799,983 km

• M1: 136,732 km (0.103 R)
• M2: 487,689 km (0.081 R)
• M3: 965,654 km (0.118 R)
• M4: 2,662,842 km (0.101 R)
• M5: 3,082,015 km (0.064 R)
• M6: 4,507,085 km (0.108 R)
• M7: 4,909,802 km (0.117 R)
• M8: 6,297,771 km (0.1 R)
• M9: 8,480,554 km (0.104 R)
• M10: 12,479,754 km (0.031 R)
• M11: 12,954,428 km (0.088 R)
• M12: 13,772,279 km (0.098 R)
• M13: 14,165,572 km (0.077 R)
• M14: 14,857,313 km (0.062 R)
• M15: 15,390,779 km (0.107 R)
• M16: 17,456,725 km (0.115 R)
• M17: 18,726,811 km (0.087 R)
• M18: 20,345,610 km (0.106 R)
• M19: 22,362,488 km (0.095 R)
• M20: 27,052,232 km (0.117 R)
• M21: 30,804,894 km (0.068 R)
• M22: 33,356,585 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.6

Radius: 4.7

Gravity: 29.81 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.41 AU - 6.63 AU

Year: 11292 Days

Day: 20.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 76,799,983 km

• M1: 58,493 km (0.091 R)
• M2: 234,869 km (0.111 R)
• M3: 506,389 km (0.097 R)
• M4: 1,033,721 km (0.09 R)
• M5: 1,334,263 km (0.117 R)
• M6: 1,498,073 km (0.105 R)
• M7: 4,189,638 km (0.084 R)
• M8: 7,473,311 km (0.108 R)
• M9: 8,399,172 km (0.107 R)
• M10: 8,630,451 km (0.085 R)
• M11: 9,448,452 km (0.109 R)
• M12: 11,293,592 km (0.1 R)
• M13: 11,804,170 km (0.091 R)
• M14: 12,932,437 km (0.057 R)
• M15: 13,365,672 km (0.069 R)
• M16: 14,924,632 km (0.112 R)
• M17: 16,028,813 km (0.117 R)
• M18: 16,673,281 km (0.117 R)
• M19: 19,992,409 km (0.1 R)
• M20: 20,487,877 km (0.109 R)
• M21: 22,198,978 km (0.093 R)
• M22: 24,281,978 km (0.112 R)
• M23: 24,657,020 km (0.065 R)
• M24: 24,940,807 km (0.106 R)
• M25: 26,988,952 km (0.087 R)
• M26: 28,831,549 km (0.116 R)
• M27: 32,085,901 km (0.08 R)
• M28: 43,027,788 km (0.111 R)
• M29: 46,249,229 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.2

Radius: 6.6

Gravity: 13.53 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 8.25 AU - 12.01 AU

Year: 21868 Days

Day: 17.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,799,983 km

• M1: 82,279 km (0.11 R)
• M2: 544,536 km (0.114 R)
• M3: 1,040,004 km (0.098 R)
• M4: 1,309,729 km (0.08 R)
• M5: 1,558,810 km (0.114 R)
• M6: 1,953,150 km (0.094 R)
• M7: 3,543,375 km (0.114 R)
• M8: 4,632,896 km (0.112 R)
• M9: 5,216,328 km (0.112 R)
• M10: 6,181,683 km (0.095 R)
• M11: 6,797,129 km (0.062 R)
• M12: 7,166,636 km (0.09 R)
• M13: 8,513,615 km (0.063 R)
• M14: 8,943,110 km (0.086 R)
• M15: 9,163,169 km (0.094 R)
• M16: 12,162,456 km (0.099 R)
• M17: 13,197,375 km (0.11 R)
• M18: 13,992,637 km (0.104 R)
• M19: 15,758,341 km (0.114 R)
• M20: 17,667,359 km (0.108 R)
• M21: 19,083,004 km (0.083 R)
• M22: 20,382,411 km (0.057 R)
• M23: 27,540,220 km (0.092 R)
• M24: 29,317,592 km (0.071 R)
• M25: 29,560,240 km (0.102 R)
• M26: 35,106,282 km (0.108 R)
• M27: 35,655,007 km (0.109 R)
• M28: 38,484,501 km (0.108 R)
• M29: 45,878,675 km (0.028 R)
• M30: 53,983,738 km (0.105 R)
• M31: 54,714,524 km (0.108 R)
• M32: 56,570,584 km (0.112 R)
• M33: 57,514,098 km (0.103 R)
• M34: 66,483,239 km (0.061 R)
• M35: 70,317,282 km (0.119 R)
• M36: 72,731,343 km (0.112 R)
• M37: 73,846,745 km (0.048 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 12,906 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit