🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.4

Radius: 12.5

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.44 AU - 0.62 AU

Year: 257 Days

Day: 11 Hours

Environment

Temp: -147 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,664,479 km

• M1: 156,180 km (0.05 R)
• M2: 428,897 km (0.086 R)
• M3: 723,156 km (0.067 R)
• M4: 1,085,183 km (0.065 R)
• M5: 1,448,706 km (0.08 R)
• M6: 1,769,444 km (0.088 R)
• M7: 2,086,741 km (0.075 R)
• M8: 2,554,084 km (0.108 R)
• M9: 3,038,183 km (0.075 R)
• M10: 3,581,523 km (0.101 R)
• M11: 4,076,542 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.8

Radius: 10.9

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.31 AU - 1.6 AU

Year: 1164 Days

Day: 9.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,664,479 km

• M1: 190,588 km (0.062 R)
• M2: 423,661 km (0.101 R)
• M3: 839,693 km (0.094 R)
• M4: 1,128,566 km (0.04 R)
• M5: 1,524,552 km (0.094 R)
• M6: 2,054,428 km (0.039 R)
• M7: 2,430,217 km (0.09 R)
• M8: 3,794,400 km (0.082 R)
• M9: 4,421,066 km (0.105 R)
• M10: 5,069,872 km (0.046 R)
• M11: 5,808,287 km (0.103 R)
• M12: 6,582,606 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111

Radius: 13.4

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.34 AU - 1.56 AU

Year: 1164 Days

Day: 13.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,664,479 km

• M1: 180,565 km (0.1 R)
• M2: 452,234 km (0.046 R)
• M3: 1,277,566 km (0.111 R)
• M4: 2,102,598 km (0.112 R)
• M5: 2,784,316 km (0.05 R)
• M6: 3,215,157 km (0.048 R)
• M7: 3,496,551 km (0.025 R)
• M8: 3,999,499 km (0.028 R)
• M9: 4,830,964 km (0.042 R)
• M10: 5,490,990 km (0.091 R)
• M11: 5,802,303 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.1

Radius: 11.1

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.53 AU - 2.01 AU

Year: 1570 Days

Day: 12.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,664,479 km

• M1: 138,079 km (0.092 R)
• M2: 702,661 km (0.099 R)
• M3: 1,072,318 km (0.084 R)
• M4: 1,347,727 km (0.072 R)
• M5: 1,555,967 km (0.116 R)
• M6: 1,875,209 km (0.057 R)
• M7: 2,209,411 km (0.075 R)
• M8: 2,451,610 km (0.087 R)
• M9: 2,775,489 km (0.061 R)
• M10: 3,006,768 km (0.04 R)
• M11: 3,981,099 km (0.08 R)
• M12: 4,470,882 km (0.092 R)
• M13: 4,778,904 km (0.098 R)
• M14: 5,426,663 km (0.119 R)
• M15: 5,809,633 km (0.085 R)
• M16: 6,492,996 km (0.073 R)
• M17: 6,755,241 km (0.067 R)
• M18: 7,150,778 km (0.074 R)
• M19: 7,925,246 km (0.084 R)
• M20: 8,388,551 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.3

Radius: 14.2

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.64 AU - 5.46 AU

Year: 7568 Days

Day: 9.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,664,479 km

• M1: 176,675 km (0.028 R)
• M2: 442,361 km (0.042 R)
• M3: 1,026,391 km (0.107 R)
• M4: 1,408,464 km (0.088 R)
• M5: 1,861,147 km (0.099 R)
• M6: 2,682,290 km (0.084 R)
• M7: 2,998,839 km (0.102 R)
• M8: 3,872,790 km (0.051 R)
• M9: 5,103,831 km (0.109 R)
• M10: 9,668,810 km (0.039 R)
• M11: 12,211,225 km (0.074 R)
• M12: 14,452,949 km (0.102 R)
• M13: 17,134,791 km (0.078 R)
• M14: 18,148,466 km (0.073 R)
• M15: 20,209,924 km (0.051 R)
• M16: 21,422,116 km (0.118 R)
• M17: 21,702,612 km (0.033 R)
• M18: 23,776,188 km (0.092 R)
• M19: 25,333,203 km (0.082 R)
• M20: 26,814,521 km (0.045 R)
• M21: 32,539,332 km (0.114 R)
• M22: 34,713,887 km (0.044 R)
• M23: 36,227,069 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.2

Radius: 6.3

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.59 AU - 7.95 AU

Year: 11747 Days

Day: 16.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 25,664,479 km

• M1: 105,018 km (0.113 R)
• M2: 298,448 km (0.09 R)
• M3: 689,497 km (0.116 R)
• M4: 823,686 km (0.028 R)
• M5: 1,063,491 km (0.116 R)
• M6: 2,696,053 km (0.078 R)
• M7: 3,106,998 km (0.081 R)
• M8: 3,348,300 km (0.12 R)
• M9: 4,405,657 km (0.084 R)
• M10: 5,483,809 km (0.113 R)
• M11: 5,675,145 km (0.095 R)
• M12: 6,302,857 km (0.101 R)
• M13: 7,362,160 km (0.11 R)
• M14: 7,696,062 km (0.105 R)
• M15: 8,230,576 km (0.095 R)
• M16: 8,984,848 km (0.036 R)
• M17: 9,561,997 km (0.108 R)
• M18: 10,593,474 km (0.105 R)
• M19: 12,430,985 km (0.072 R)
• M20: 14,109,024 km (0.118 R)
• M21: 14,364,836 km (0.074 R)
• M22: 16,715,468 km (0.073 R)
• M23: 21,322,334 km (0.111 R)
• M24: 21,447,847 km (0.09 R)
• M25: 23,178,544 km (0.033 R)
• M26: 26,004,598 km (0.034 R)
• M27: 27,907,483 km (0.1 R)
• M28: 28,847,705 km (0.093 R)
• M29: 29,434,129 km (0.042 R)
• M30: 30,850,372 km (0.11 R)
• M31: 34,657,040 km (0.068 R)
• M32: 34,897,294 km (0.086 R)
• M33: 36,684,689 km (0.029 R)
• M34: 40,049,145 km (0.11 R)

Asteroid Belt

Center: 7.15 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.6

Radius: 4.4

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 6.97 AU - 8.07 AU

Year: 13752 Days

Day: 20.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,664,479 km

• M1: 180,265 km (0.116 R)
• M2: 1,079,049 km (0.113 R)
• M3: 1,362,837 km (0.09 R)
• M4: 4,111,398 km (0.113 R)
• M5: 6,847,095 km (0.069 R)
• M6: 11,041,968 km (0.105 R)
• M7: 11,654,123 km (0.081 R)
• M8: 14,691,558 km (0.107 R)
• M9: 24,750,818 km (0.112 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 10,741 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit