🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.8

Radius: 10.2

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.58 AU - 0.88 AU

Year: 423 Days

Day: 12.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,849,847 km

• M1: 126,859 km (0.089 R)
• M2: 552,764 km (0.074 R)
• M3: 911,201 km (0.105 R)
• M4: 1,423,873 km (0.105 R)
• M5: 1,946,418 km (0.072 R)
• M6: 2,765,466 km (0.081 R)
• M7: 3,263,478 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.9

Radius: 12.2

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.68 AU - 1.08 AU

Year: 560 Days

Day: 11.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,849,847 km

• M1: 152,141 km (0.111 R)
• M2: 674,986 km (0.087 R)
• M3: 1,135,747 km (0.098 R)
• M4: 1,561,054 km (0.055 R)
• M5: 2,112,322 km (0.108 R)
• M6: 2,648,780 km (0.036 R)
• M7: 3,505,377 km (0.109 R)
• M8: 5,709,104 km (0.106 R)
• M9: 6,414,906 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.9

Radius: 14.6

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.73 AU - 1.03 AU

Year: 560 Days

Day: 9.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,849,847 km

• M1: 182,958 km (0.116 R)
• M2: 810,970 km (0.047 R)
• M3: 1,400,086 km (0.115 R)
• M4: 1,875,060 km (0.106 R)
• M5: 2,570,989 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.9

Radius: 10.9

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.47 AU - 1.85 AU

Year: 1451 Days

Day: 12.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,849,847 km

• M1: 137,331 km (0.11 R)
• M2: 482,004 km (0.073 R)
• M3: 844,031 km (0.037 R)
• M4: 1,322,744 km (0.094 R)
• M5: 2,069,387 km (0.113 R)
• M6: 2,538,227 km (0.079 R)
• M7: 2,906,687 km (0.105 R)
• M8: 3,468,427 km (0.116 R)
• M9: 3,908,544 km (0.112 R)
• M10: 4,665,658 km (0.115 R)
• M11: 5,517,768 km (0.118 R)
• M12: 6,206,217 km (0.114 R)
• M13: 9,116,644 km (0.119 R)
• M14: 9,516,968 km (0.092 R)
• M15: 10,139,594 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.1

Radius: 14.1

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.02 AU - 2.52 AU

Year: 2320 Days

Day: 11.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,849,847 km

• M1: 175,329 km (0.077 R)
• M2: 1,539,362 km (0.107 R)
• M3: 2,086,292 km (0.058 R)
• M4: 2,598,814 km (0.107 R)
• M5: 3,062,717 km (0.115 R)
• M6: 3,545,918 km (0.076 R)
• M7: 4,430,640 km (0.076 R)
• M8: 4,983,105 km (0.081 R)
• M9: 5,631,462 km (0.103 R)
• M10: 6,444,676 km (0.102 R)
• M11: 7,485,877 km (0.058 R)
• M12: 8,338,286 km (0.11 R)
• M13: 8,839,289 km (0.115 R)
• M14: 11,860,269 km (0.116 R)
• M15: 13,242,104 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732.9

Radius: 5

Gravity: 29.32 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 7.61 AU - 9.33 AU

Year: 16719 Days

Day: 16.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 78,849,847 km

• M1: 62,233 km (0.113 R)
• M2: 550,520 km (0.083 R)
• M3: 1,405,173 km (0.074 R)
• M4: 1,780,065 km (0.093 R)
• M5: 2,870,933 km (0.113 R)
• M6: 3,671,730 km (0.086 R)
• M7: 3,848,256 km (0.113 R)
• M8: 4,511,273 km (0.065 R)
• M9: 5,939,783 km (0.057 R)
• M10: 6,183,478 km (0.082 R)
• M11: 8,738,760 km (0.118 R)
• M12: 10,046,395 km (0.05 R)
• M13: 10,568,790 km (0.097 R)
• M14: 11,108,988 km (0.11 R)
• M15: 12,907,603 km (0.114 R)
• M16: 14,743,319 km (0.05 R)
• M17: 19,451,463 km (0.088 R)
• M18: 21,188,145 km (0.116 R)
• M19: 22,434,295 km (0.104 R)
• M20: 24,549,310 km (0.113 R)
• M21: 27,235,938 km (0.093 R)
• M22: 30,590,521 km (0.1 R)
• M23: 31,931,815 km (0.097 R)
• M24: 32,679,655 km (0.054 R)
• M25: 34,210,340 km (0.096 R)
• M26: 36,595,080 km (0.055 R)
• M27: 37,413,979 km (0.095 R)
• M28: 37,827,916 km (0.052 R)
• M29: 45,341,170 km (0.077 R)
• M30: 50,529,673 km (0.039 R)
• M31: 57,554,041 km (0.061 R)
• M32: 60,158,540 km (0.037 R)
• M33: 60,916,851 km (0.119 R)
• M34: 62,452,473 km (0.07 R)
• M35: 62,646,203 km (0.07 R)
• M36: 66,202,892 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.9

Radius: 5.8

Gravity: 22.41 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 8.04 AU - 11.12 AU

Year: 20111 Days

Day: 18.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 78,849,847 km

• M1: 179,817 km (0.089 R)
• M2: 473,028 km (0.047 R)
• M3: 721,511 km (0.069 R)
• M4: 1,710,502 km (0.118 R)
• M5: 2,220,481 km (0.032 R)
• M6: 3,449,727 km (0.102 R)
• M7: 3,966,139 km (0.109 R)
• M8: 4,781,148 km (0.082 R)
• M9: 5,151,851 km (0.12 R)
• M10: 5,621,589 km (0.108 R)
• M11: 6,874,621 km (0.085 R)
• M12: 7,108,143 km (0.056 R)
• M13: 9,059,348 km (0.113 R)
• M14: 9,511,582 km (0.07 R)
• M15: 13,832,717 km (0.113 R)
• M16: 18,218,328 km (0.052 R)
• M17: 23,978,295 km (0.099 R)
• M18: 26,176,935 km (0.068 R)
• M19: 27,676,055 km (0.115 R)
• M20: 29,109,801 km (0.115 R)
• M21: 29,721,507 km (0.08 R)
• M22: 31,865,543 km (0.088 R)
• M23: 33,439,612 km (0.029 R)
• M24: 33,975,621 km (0.086 R)
• M25: 36,036,781 km (0.079 R)
• M26: 37,169,386 km (0.032 R)
• M27: 40,255,291 km (0.097 R)
• M28: 40,861,761 km (0.076 R)
• M29: 43,826,192 km (0.111 R)
• M30: 45,116,175 km (0.113 R)
• M31: 46,763,995 km (0.113 R)
• M32: 48,622,450 km (0.117 R)
• M33: 51,768,792 km (0.038 R)
• M34: 54,492,371 km (0.096 R)
• M35: 55,234,376 km (0.08 R)
• M36: 60,817,219 km (0.097 R)
• M37: 72,863,588 km (0.073 R)
• M38: 74,671,927 km (0.116 R)
• M39: 75,357,833 km (0.062 R)
• M40: 76,741,912 km (0.119 R)
• M41: 78,849,896 km (0.07 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 20,237 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit