🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.1

Radius: 8.2

Gravity: 14.8 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.5 AU - 0.62 AU

Year: 279 Days

Day: 5.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,432,129 km

• M1: 102,026 km (0.099 R)
• M2: 362,326 km (0.098 R)
• M3: 790,625 km (0.082 R)
• M4: 1,057,507 km (0.109 R)
• M5: 1,497,175 km (0.04 R)
• M6: 1,854,714 km (0.079 R)
• M7: 2,192,955 km (0.11 R)
• M8: 2,553,336 km (0.09 R)
• M9: 2,871,830 km (0.104 R)
• M10: 3,450,624 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.7

Radius: 14.7

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1 AU - 1.52 AU

Year: 943 Days

Day: 11.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,432,129 km

• M1: 182,958 km (0.087 R)
• M2: 768,335 km (0.066 R)
• M3: 1,304,194 km (0.102 R)
• M4: 1,955,394 km (0.072 R)
• M5: 2,461,633 km (0.118 R)
• M6: 3,202,292 km (0.086 R)
• M7: 3,940,707 km (0.055 R)
• M8: 4,436,923 km (0.083 R)
• M9: 5,276,317 km (0.095 R)
• M10: 5,794,823 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.8

Radius: 13.6

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.5 AU - 3.04 AU

Year: 3074 Days

Day: 5.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,432,129 km

• M1: 173,982 km (0.117 R)
• M2: 1,044,941 km (0.07 R)
• M3: 2,093,323 km (0.053 R)
• M4: 4,187,992 km (0.056 R)
• M5: 5,128,065 km (0.119 R)
• M6: 7,489,169 km (0.072 R)
• M7: 9,720,870 km (0.112 R)
• M8: 10,948,021 km (0.093 R)
• M9: 12,320,731 km (0.049 R)
• M10: 16,037,041 km (0.119 R)
• M11: 18,208,155 km (0.03 R)
• M12: 19,883,352 km (0.035 R)
• M13: 22,384,928 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.2

Radius: 11

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.55 AU - 4.55 AU

Year: 5435 Days

Day: 12 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,432,129 km

• M1: 136,732 km (0.099 R)
• M2: 544,387 km (0.089 R)
• M3: 980,464 km (0.091 R)
• M4: 1,383,032 km (0.032 R)
• M5: 1,925,624 km (0.07 R)
• M6: 2,313,232 km (0.096 R)
• M7: 3,354,882 km (0.112 R)
• M8: 4,498,408 km (0.036 R)
• M9: 4,960,516 km (0.055 R)
• M10: 6,711,409 km (0.117 R)
• M11: 7,134,771 km (0.042 R)
• M12: 8,152,785 km (0.117 R)
• M13: 8,800,244 km (0.047 R)
• M14: 10,616,362 km (0.112 R)
• M15: 11,941,201 km (0.033 R)
• M16: 17,220,211 km (0.094 R)
• M17: 18,628,226 km (0.102 R)
• M18: 20,696,865 km (0.068 R)
• M19: 22,055,364 km (0.069 R)
• M20: 22,914,205 km (0.073 R)
• M21: 27,279,321 km (0.087 R)
• M22: 28,818,833 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.2

Radius: 14.4

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.12 AU - 4.78 AU

Year: 6260 Days

Day: 9 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,432,129 km

• M1: 185,950 km (0.052 R)
• M2: 1,021,155 km (0.116 R)
• M3: 2,803,913 km (0.101 R)
• M4: 3,566,862 km (0.094 R)
• M5: 4,288,971 km (0.102 R)
• M6: 5,305,638 km (0.117 R)
• M7: 9,373,055 km (0.059 R)
• M8: 10,752,347 km (0.105 R)
• M9: 15,226,221 km (0.082 R)
• M10: 16,560,185 km (0.079 R)
• M11: 18,503,312 km (0.099 R)
• M12: 29,338,237 km (0.118 R)
• M13: 30,451,395 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.1

Radius: 5.3

Gravity: 18.2 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.76 AU - 7.74 AU

Year: 13018 Days

Day: 15.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 50,432,129 km

• M1: 66,122 km (0.093 R)
• M2: 343,327 km (0.097 R)
• M3: 894,296 km (0.092 R)
• M4: 1,746,256 km (0.102 R)
• M5: 2,521,622 km (0.106 R)
• M6: 2,817,676 km (0.12 R)
• M7: 2,997,044 km (0.072 R)
• M8: 4,909,952 km (0.049 R)
• M9: 5,406,168 km (0.068 R)
• M10: 5,898,794 km (0.108 R)
• M11: 7,302,770 km (0.083 R)
• M12: 8,308,067 km (0.09 R)
• M13: 8,584,823 km (0.058 R)
• M14: 8,867,713 km (0.058 R)
• M15: 9,059,797 km (0.044 R)
• M16: 9,602,239 km (0.063 R)
• M17: 10,323,599 km (0.116 R)
• M18: 10,860,506 km (0.048 R)
• M19: 12,583,126 km (0.108 R)
• M20: 13,827,780 km (0.116 R)
• M21: 14,612,720 km (0.061 R)
• M22: 14,880,799 km (0.047 R)
• M23: 16,850,555 km (0.083 R)
• M24: 19,629,933 km (0.101 R)
• M25: 22,255,974 km (0.109 R)
• M26: 22,969,706 km (0.107 R)
• M27: 23,241,376 km (0.047 R)
• M28: 24,255,500 km (0.105 R)
• M29: 24,726,134 km (0.11 R)
• M30: 36,559,326 km (0.119 R)
• M31: 41,302,476 km (0.086 R)
• M32: 42,515,266 km (0.116 R)
• M33: 43,199,228 km (0.12 R)
• M34: 45,437,062 km (0.115 R)
• M35: 45,865,062 km (0.072 R)
• M36: 47,311,224 km (0.093 R)
• M37: 51,213,036 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.4

Radius: 7.6

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.02 AU - 9.68 AU

Year: 16090 Days

Day: 22.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,432,129 km

• M1: 175,927 km (0.083 R)
• M2: 416,032 km (0.114 R)
• M3: 799,601 km (0.03 R)
• M4: 4,201,755 km (0.09 R)
• M5: 4,596,694 km (0.112 R)
• M6: 11,241,532 km (0.101 R)
• M7: 17,430,396 km (0.105 R)
• M8: 20,085,160 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914

Radius: 7.8

Gravity: 15.02 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 7.01 AU - 9.69 AU

Year: 16090 Days

Day: 23.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,432,129 km

• M1: 97,388 km (0.054 R)
• M2: 371,751 km (0.079 R)
• M3: 1,585,588 km (0.056 R)
• M4: 2,170,366 km (0.112 R)
• M5: 2,535,534 km (0.099 R)
• M6: 2,991,658 km (0.08 R)
• M7: 4,291,065 km (0.108 R)
• M8: 6,958,246 km (0.108 R)
• M9: 10,389,572 km (0.114 R)
• M10: 14,362,293 km (0.099 R)
• M11: 18,363,737 km (0.099 R)
• M12: 18,888,975 km (0.077 R)
• M13: 20,618,327 km (0.115 R)
• M14: 23,051,237 km (0.085 R)
• M15: 23,457,545 km (0.112 R)
• M16: 24,705,041 km (0.09 R)
• M17: 27,901,349 km (0.116 R)
• M18: 28,946,889 km (0.107 R)
• M19: 37,285,324 km (0.09 R)
• M20: 39,994,991 km (0.114 R)
• M21: 41,174,271 km (0.057 R)
• M22: 43,447,410 km (0.064 R)
• M23: 55,530,580 km (0.076 R)
• M24: 68,830,728 km (0.118 R)
• M25: 69,462,031 km (0.072 R)
• M26: 70,949,932 km (0.107 R)
• M27: 72,458,925 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.3

Radius: 3.1

Gravity: 24.69 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.29 AU - 9.93 AU

Year: 18336 Days

Day: 18.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 50,432,129 km

• M1: 38,596 km (0.05 R)
• M2: 157,078 km (0.117 R)
• M3: 441,763 km (0.086 R)
• M4: 604,974 km (0.051 R)
• M5: 874,100 km (0.091 R)
• M6: 1,052,720 km (0.086 R)
• M7: 1,217,427 km (0.102 R)
• M8: 1,899,444 km (0.064 R)
• M9: 2,107,834 km (0.109 R)
• M10: 2,429,170 km (0.063 R)
• M11: 2,674,810 km (0.11 R)
• M12: 5,237,272 km (0.11 R)
• M13: 8,841,085 km (0.086 R)
• M14: 10,075,716 km (0.119 R)
• M15: 10,179,238 km (0.1 R)
• M16: 10,815,028 km (0.104 R)
• M17: 13,373,152 km (0.055 R)
• M18: 15,127,337 km (0.076 R)
• M19: 15,536,936 km (0.084 R)
• M20: 17,028,875 km (0.061 R)
• M21: 17,771,778 km (0.096 R)
• M22: 18,613,715 km (0.113 R)
• M23: 19,481,832 km (0.112 R)
• M24: 21,044,232 km (0.091 R)
• M25: 21,213,427 km (0.079 R)
• M26: 21,468,940 km (0.038 R)
• M27: 22,955,344 km (0.053 R)
• M28: 23,495,991 km (0.118 R)
• M29: 24,229,918 km (0.106 R)
• M30: 25,840,040 km (0.095 R)
• M31: 26,621,839 km (0.104 R)
• M32: 29,271,516 km (0.05 R)
• M33: 29,588,215 km (0.064 R)
• M34: 29,800,494 km (0.088 R)
• M35: 30,768,542 km (0.099 R)
• M36: 32,203,634 km (0.083 R)
• M37: 35,804,455 km (0.069 R)
• M38: 39,024,101 km (0.111 R)
• M39: 40,311,989 km (0.117 R)
• M40: 43,381,288 km (0.081 R)
• M41: 48,935,408 km (0.093 R)
• M42: 49,530,509 km (0.12 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 19,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit