🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.9

Radius: 12.5

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.89 AU - 1.37 AU

Year: 829 Days

Day: 10.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,905,676 km

• M1: 155,432 km (0.094 R)
• M2: 736,620 km (0.082 R)
• M3: 1,128,267 km (0.093 R)
• M4: 2,215,096 km (0.106 R)
• M5: 2,614,073 km (0.076 R)
• M6: 3,235,802 km (0.106 R)
• M7: 4,002,641 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.5

Radius: 9.1

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.24 AU - 1.8 AU

Year: 1294 Days

Day: 8.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,905,676 km

• M1: 113,246 km (0.11 R)
• M2: 460,013 km (0.082 R)
• M3: 949,797 km (0.083 R)
• M4: 1,539,212 km (0.097 R)
• M5: 2,044,853 km (0.026 R)
• M6: 2,657,905 km (0.11 R)
• M7: 3,131,383 km (0.099 R)
• M8: 3,911,685 km (0.11 R)
• M9: 4,698,570 km (0.117 R)
• M10: 7,721,644 km (0.116 R)
• M11: 9,415,391 km (0.072 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 450.8

Radius: 4.9

Gravity: 18.78 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.8 AU - 5.92 AU

Year: 9792 Days

Day: 23.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,905,676 km

• M1: 67,768 km (0.071 R)
• M2: 325,076 km (0.116 R)
• M3: 516,113 km (0.101 R)
• M4: 679,474 km (0.052 R)
• M5: 905,366 km (0.11 R)
• M6: 1,158,336 km (0.111 R)
• M7: 1,356,254 km (0.106 R)
• M8: 2,403,589 km (0.088 R)
• M9: 3,102,361 km (0.07 R)
• M10: 3,581,672 km (0.107 R)
• M11: 3,902,410 km (0.116 R)
• M12: 4,657,879 km (0.111 R)
• M13: 4,890,504 km (0.085 R)
• M14: 5,700,876 km (0.112 R)
• M15: 5,866,480 km (0.105 R)
• M16: 6,633,319 km (0.098 R)
• M17: 8,195,420 km (0.071 R)
• M18: 8,883,720 km (0.087 R)
• M19: 10,083,196 km (0.113 R)
• M20: 11,282,671 km (0.089 R)
• M21: 11,809,406 km (0.071 R)
• M22: 16,831,107 km (0.047 R)
• M23: 17,939,477 km (0.12 R)
• M24: 19,022,117 km (0.107 R)
• M25: 19,767,563 km (0.085 R)
• M26: 21,158,076 km (0.045 R)
• M27: 25,093,996 km (0.097 R)
• M28: 27,845,848 km (0.066 R)
• M29: 29,392,690 km (0.077 R)
• M30: 29,689,044 km (0.089 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.4

Radius: 7.7

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.64 AU - 6.2 AU

Year: 9942 Days

Day: 21.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,905,676 km

• M1: 95,743 km (0.091 R)
• M2: 341,083 km (0.095 R)
• M3: 597,943 km (0.117 R)
• M4: 971,189 km (0.047 R)
• M5: 1,534,575 km (0.038 R)
• M6: 2,246,062 km (0.054 R)
• M7: 2,964,132 km (0.089 R)
• M8: 3,272,902 km (0.051 R)
• M9: 4,413,436 km (0.083 R)
• M10: 4,757,811 km (0.025 R)
• M11: 7,653,726 km (0.104 R)
• M12: 8,109,551 km (0.089 R)
• M13: 9,398,337 km (0.069 R)
• M14: 10,767,157 km (0.103 R)
• M15: 11,024,914 km (0.112 R)
• M16: 12,208,383 km (0.039 R)
• M17: 17,439,222 km (0.032 R)
• M18: 18,891,818 km (0.105 R)
• M19: 21,706,801 km (0.107 R)
• M20: 25,059,139 km (0.109 R)
• M21: 29,943,211 km (0.06 R)
• M22: 30,248,839 km (0.074 R)
• M23: 30,969,901 km (0.104 R)
• M24: 31,387,129 km (0.112 R)
• M25: 32,339,619 km (0.048 R)
• M26: 41,289,910 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.5

Radius: 4.2

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.41 AU - 8.19 AU

Year: 13614 Days

Day: 23.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,905,676 km

• M1: 56,099 km (0.081 R)
• M2: 269,725 km (0.032 R)
• M3: 581,637 km (0.105 R)
• M4: 737,817 km (0.096 R)
• M5: 997,818 km (0.092 R)
• M6: 2,247,858 km (0.099 R)
• M7: 2,987,918 km (0.054 R)
• M8: 3,897,773 km (0.105 R)
• M9: 5,436,985 km (0.035 R)
• M10: 7,742,737 km (0.069 R)
• M11: 7,901,460 km (0.052 R)
• M12: 11,385,595 km (0.034 R)
• M13: 17,076,597 km (0.106 R)
• M14: 19,192,958 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625.7

Radius: 6.1

Gravity: 16.82 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.96 AU - 9.1 AU

Year: 14263 Days

Day: 19.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,905,676 km

• M1: 75,996 km (0.102 R)
• M2: 365,019 km (0.118 R)
• M3: 1,496,428 km (0.073 R)
• M4: 3,279,784 km (0.092 R)
• M5: 4,161,813 km (0.119 R)
• M6: 7,300,825 km (0.098 R)
• M7: 9,550,478 km (0.079 R)
• M8: 11,918,911 km (0.101 R)
• M9: 12,915,682 km (0.08 R)
• M10: 17,697,578 km (0.098 R)
• M11: 19,325,651 km (0.105 R)
• M12: 19,832,938 km (0.119 R)
• M13: 25,707,496 km (0.098 R)
• M14: 31,237,083 km (0.12 R)
• M15: 33,605,666 km (0.112 R)
• M16: 43,122,783 km (0.102 R)
• M17: 48,491,701 km (0.047 R)
• M18: 55,637,542 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665

Radius: 5.5

Gravity: 21.98 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 8.54 AU - 11.22 AU

Year: 21436 Days

Day: 20.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 78,905,676 km

• M1: 76,145 km (0.095 R)
• M2: 266,733 km (0.095 R)
• M3: 520,601 km (0.081 R)
• M4: 737,667 km (0.074 R)
• M5: 1,585,887 km (0.075 R)
• M6: 1,855,313 km (0.036 R)
• M7: 2,439,792 km (0.095 R)
• M8: 3,716,011 km (0.095 R)
• M9: 4,360,329 km (0.103 R)
• M10: 4,853,703 km (0.068 R)
• M11: 5,038,606 km (0.045 R)
• M12: 6,077,713 km (0.067 R)
• M13: 6,336,517 km (0.054 R)
• M14: 6,876,117 km (0.109 R)
• M15: 7,204,633 km (0.106 R)
• M16: 7,397,016 km (0.077 R)
• M17: 7,944,096 km (0.12 R)
• M18: 8,253,464 km (0.111 R)
• M19: 9,514,873 km (0.108 R)
• M20: 12,690,537 km (0.111 R)
• M21: 13,692,095 km (0.098 R)
• M22: 14,212,247 km (0.091 R)
• M23: 14,668,520 km (0.088 R)
• M24: 15,213,056 km (0.109 R)
• M25: 16,342,371 km (0.07 R)
• M26: 18,317,362 km (0.098 R)
• M27: 22,222,614 km (0.115 R)
• M28: 23,148,475 km (0.118 R)
• M29: 29,617,087 km (0.074 R)
• M30: 30,737,426 km (0.096 R)
• M31: 32,405,292 km (0.108 R)
• M32: 33,461,154 km (0.092 R)
• M33: 34,539,605 km (0.103 R)
• M34: 44,821,467 km (0.096 R)
• M35: 49,171,025 km (0.054 R)
• M36: 50,388,452 km (0.09 R)
• M37: 55,833,815 km (0.077 R)
• M38: 61,258,084 km (0.115 R)
• M39: 63,891,755 km (0.096 R)
• M40: 66,811,307 km (0.117 R)
• M41: 76,332,613 km (0.029 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 16,730 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit