🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.1

Radius: 12.4

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.22 AU - 1.42 AU

Year: 1029 Days

Day: 8.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,014,286 km

• M1: 154,235 km (0.081 R)
• M2: 614,548 km (0.084 R)
• M3: 1,112,859 km (0.093 R)
• M4: 1,790,986 km (0.074 R)
• M5: 2,463,578 km (0.1 R)
• M6: 3,176,711 km (0.066 R)
• M7: 3,641,362 km (0.118 R)
• M8: 4,905,314 km (0.104 R)
• M9: 6,291,189 km (0.061 R)
• M10: 6,708,866 km (0.089 R)
• M11: 7,551,701 km (0.092 R)
• M12: 9,028,979 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.4

Radius: 10.4

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.18 AU - 1.48 AU

Year: 1040 Days

Day: 10.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,014,286 km

• M1: 129,402 km (0.036 R)
• M2: 787,483 km (0.11 R)
• M3: 1,590,973 km (0.118 R)
• M4: 2,211,655 km (0.103 R)
• M5: 2,929,276 km (0.12 R)
• M6: 3,412,477 km (0.114 R)
• M7: 3,920,212 km (0.102 R)
• M8: 4,856,545 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953

Radius: 14.1

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.05 AU - 4.71 AU

Year: 5184 Days

Day: 8.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,014,286 km

• M1: 175,329 km (0.105 R)
• M2: 718,668 km (0.06 R)
• M3: 1,525,599 km (0.079 R)
• M4: 1,972,598 km (0.107 R)
• M5: 3,974,666 km (0.095 R)
• M6: 4,652,494 km (0.047 R)
• M7: 5,554,868 km (0.077 R)
• M8: 8,482,349 km (0.076 R)
• M9: 9,523,101 km (0.057 R)
• M10: 11,025,213 km (0.114 R)
• M11: 11,758,093 km (0.106 R)
• M12: 13,430,298 km (0.042 R)
• M13: 13,872,061 km (0.096 R)
• M14: 17,896,992 km (0.051 R)
• M15: 21,124,715 km (0.081 R)
• M16: 24,804,673 km (0.102 R)
• M17: 26,320,698 km (0.1 R)
• M18: 28,983,690 km (0.069 R)
• M19: 29,816,352 km (0.116 R)
• M20: 33,106,906 km (0.071 R)
• M21: 33,813,308 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.8

Radius: 4.1

Gravity: 50.02 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 6.2 AU - 7.54 AU

Year: 12213 Days

Day: 19.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 54,014,286 km

• M1: 51,162 km (0.108 R)
• M2: 195,076 km (0.053 R)
• M3: 505,790 km (0.046 R)
• M4: 692,040 km (0.078 R)
• M5: 999,763 km (0.102 R)
• M6: 1,166,115 km (0.053 R)
• M7: 1,680,732 km (0.093 R)
• M8: 1,935,048 km (0.08 R)
• M9: 3,394,376 km (0.109 R)
• M10: 3,857,082 km (0.099 R)
• M11: 4,453,977 km (0.118 R)
• M12: 5,248,641 km (0.078 R)
• M13: 5,425,466 km (0.05 R)
• M14: 6,652,617 km (0.115 R)
• M15: 6,943,735 km (0.077 R)
• M16: 8,480,404 km (0.107 R)
• M17: 8,972,282 km (0.074 R)
• M18: 9,379,338 km (0.087 R)
• M19: 9,798,511 km (0.099 R)
• M20: 12,268,222 km (0.107 R)
• M21: 12,769,375 km (0.081 R)
• M22: 14,981,479 km (0.091 R)
• M23: 16,818,241 km (0.116 R)
• M24: 17,514,769 km (0.081 R)
• M25: 22,562,800 km (0.113 R)
• M26: 23,314,230 km (0.1 R)
• M27: 23,696,004 km (0.099 R)
• M28: 26,798,215 km (0.086 R)
• M29: 30,160,576 km (0.057 R)
• M30: 31,302,457 km (0.105 R)
• M31: 32,354,429 km (0.095 R)
• M32: 36,031,246 km (0.102 R)
• M33: 36,927,486 km (0.12 R)
• M34: 38,101,530 km (0.054 R)
• M35: 38,764,399 km (0.054 R)
• M36: 41,075,686 km (0.039 R)
• M37: 47,634,056 km (0.116 R)
• M38: 49,493,708 km (0.055 R)
• M39: 49,650,935 km (0.1 R)
• M40: 52,536,379 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.6

Radius: 3.3

Gravity: 15.67 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 8.06 AU - 10.46 AU

Year: 19112 Days

Day: 19.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,014,286 km

• M1: 56,249 km (0.103 R)
• M2: 197,619 km (0.035 R)
• M3: 325,375 km (0.076 R)
• M4: 569,669 km (0.068 R)
• M5: 934,239 km (0.077 R)
• M6: 1,081,742 km (0.074 R)
• M7: 1,436,888 km (0.085 R)
• M8: 1,897,200 km (0.077 R)
• M9: 2,429,769 km (0.115 R)
• M10: 2,730,610 km (0.116 R)
• M11: 3,333,789 km (0.094 R)
• M12: 3,679,210 km (0.026 R)
• M13: 4,047,969 km (0.071 R)
• M14: 7,888,445 km (0.056 R)
• M15: 10,677,698 km (0.12 R)
• M16: 12,843,576 km (0.116 R)
• M17: 14,185,768 km (0.095 R)
• M18: 20,330,799 km (0.119 R)
• M19: 28,237,944 km (0.101 R)
• M20: 29,453,427 km (0.103 R)
• M21: 40,078,018 km (0.055 R)
• M22: 42,523,344 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 263.2

Radius: 3

Gravity: 29.24 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.38 AU - 10.26 AU

Year: 19298 Days

Day: 16.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,014,286 km

• M1: 38,895 km (0.118 R)
• M2: 137,780 km (0.09 R)
• M3: 840,890 km (0.105 R)
• M4: 1,099,694 km (0.073 R)
• M5: 1,708,408 km (0.055 R)
• M6: 2,103,196 km (0.101 R)
• M7: 2,555,730 km (0.085 R)
• M8: 3,117,620 km (0.087 R)
• M9: 6,504,964 km (0.068 R)
• M10: 9,116,045 km (0.103 R)
• M11: 10,298,766 km (0.085 R)
• M12: 12,228,878 km (0.102 R)
• M13: 15,205,427 km (0.064 R)
• M14: 19,933,318 km (0.094 R)
• M15: 24,297,537 km (0.059 R)
• M16: 30,016,813 km (0.063 R)
• M17: 31,461,779 km (0.11 R)
• M18: 31,688,120 km (0.105 R)
• M19: 34,971,943 km (0.066 R)
• M20: 38,475,525 km (0.079 R)
• M21: 39,386,576 km (0.066 R)
• M22: 46,902,822 km (0.028 R)
• M23: 48,091,826 km (0.036 R)
• M24: 48,241,723 km (0.112 R)
• M25: 49,759,094 km (0.113 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 18,405 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit