🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.7

Radius: 14.8

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.47 AU - 0.57 AU

Year: 250 Days

Day: 8 Hours

Environment

Temp: -145 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,124,805 km

• M1: 184,155 km (0.094 R)
• M2: 650,152 km (0.069 R)
• M3: 1,193,193 km (0.101 R)
• M4: 1,885,382 km (0.086 R)
• M5: 2,532,393 km (0.087 R)
• M6: 3,093,834 km (0.116 R)
• M7: 3,814,147 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.9

Radius: 10.8

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.58 AU - 0.68 AU

Year: 333 Days

Day: 10 Hours

Environment

Temp: -158 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,124,805 km

• M1: 134,937 km (0.03 R)
• M2: 481,256 km (0.027 R)
• M3: 845,826 km (0.116 R)
• M4: 1,184,965 km (0.115 R)
• M5: 1,768,396 km (0.058 R)
• M6: 2,131,470 km (0.047 R)
• M7: 2,618,561 km (0.063 R)
• M8: 3,052,545 km (0.062 R)
• M9: 3,745,781 km (0.065 R)
• M10: 4,554,806 km (0.111 R)
• M11: 4,906,511 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.3

Radius: 9.2

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.76 AU - 1 AU

Year: 550 Days

Day: 13 Hours

Environment

Temp: -160 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,124,805 km

• M1: 114,442 km (0.05 R)
• M2: 401,670 km (0.092 R)
• M3: 708,196 km (0.097 R)
• M4: 1,060,948 km (0.09 R)
• M5: 1,422,975 km (0.117 R)
• M6: 1,774,680 km (0.03 R)
• M7: 2,090,181 km (0.093 R)
• M8: 2,422,738 km (0.028 R)
• M9: 2,859,264 km (0.105 R)
• M10: 3,195,411 km (0.052 R)
• M11: 4,244,092 km (0.096 R)
• M12: 4,814,359 km (0.057 R)
• M13: 6,088,334 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.1

Radius: 8.8

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.19 AU - 1.77 AU

Year: 1201 Days

Day: 8 Hours

Environment

Temp: -200 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,124,805 km

• M1: 109,506 km (0.084 R)
• M2: 700,866 km (0.092 R)
• M3: 1,351,018 km (0.085 R)
• M4: 1,637,648 km (0.076 R)
• M5: 2,003,415 km (0.119 R)
• M6: 2,358,261 km (0.11 R)
• M7: 2,950,818 km (0.089 R)
• M8: 3,454,364 km (0.036 R)
• M9: 4,299,592 km (0.069 R)
• M10: 4,667,154 km (0.032 R)
• M11: 5,542,302 km (0.106 R)
• M12: 6,829,741 km (0.111 R)
• M13: 7,146,141 km (0.112 R)
• M14: 7,784,026 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.4

Radius: 13.3

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.34 AU - 3 AU

Year: 2909 Days

Day: 9.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,124,805 km

• M1: 165,605 km (0.116 R)
• M2: 999,912 km (0.106 R)
• M3: 1,511,836 km (0.105 R)
• M4: 2,023,760 km (0.104 R)
• M5: 2,542,565 km (0.105 R)
• M6: 3,607,553 km (0.044 R)
• M7: 5,573,269 km (0.079 R)
• M8: 7,002,527 km (0.103 R)
• M9: 8,023,682 km (0.1 R)
• M10: 8,916,631 km (0.12 R)
• M11: 9,437,082 km (0.075 R)
• M12: 10,290,688 km (0.119 R)
• M13: 12,590,306 km (0.079 R)
• M14: 13,080,239 km (0.068 R)
• M15: 14,229,151 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62

Radius: 4.7

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.5 AU - 8.16 AU

Year: 14611 Days

Day: 16.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,124,805 km

• M1: 58,493 km (0.087 R)
• M2: 211,831 km (0.111 R)
• M3: 360,980 km (0.101 R)
• M4: 956,080 km (0.099 R)
• M5: 1,126,173 km (0.087 R)
• M6: 2,006,407 km (0.07 R)
• M7: 2,318,917 km (0.098 R)
• M8: 2,892,924 km (0.104 R)
• M9: 3,969,131 km (0.079 R)
• M10: 6,712,756 km (0.073 R)
• M11: 6,939,995 km (0.12 R)
• M12: 8,907,506 km (0.102 R)
• M13: 9,063,686 km (0.101 R)
• M14: 11,173,166 km (0.079 R)
• M15: 15,812,645 km (0.114 R)
• M16: 22,879,798 km (0.07 R)
• M17: 25,452,432 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815.7

Radius: 7.9

Gravity: 13.07 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.12 AU - 9.94 AU

Year: 18095 Days

Day: 18.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,124,805 km

• M1: 98,435 km (0.108 R)
• M2: 488,287 km (0.069 R)
• M3: 806,033 km (0.075 R)
• M4: 1,076,057 km (0.12 R)
• M5: 1,347,578 km (0.069 R)
• M6: 1,752,240 km (0.113 R)
• M7: 2,321,161 km (0.089 R)
• M8: 3,165,341 km (0.069 R)
• M9: 3,412,477 km (0.104 R)
• M10: 4,298,246 km (0.107 R)
• M11: 5,367,422 km (0.102 R)
• M12: 5,680,381 km (0.057 R)
• M13: 6,088,783 km (0.107 R)
• M14: 6,472,801 km (0.042 R)
• M15: 10,509,998 km (0.115 R)
• M16: 13,048,525 km (0.115 R)
• M17: 14,647,427 km (0.113 R)
• M18: 16,536,100 km (0.086 R)
• M19: 19,208,516 km (0.108 R)
• M20: 20,315,989 km (0.067 R)
• M21: 21,174,232 km (0.09 R)
• M22: 22,056,411 km (0.089 R)
• M23: 23,373,471 km (0.097 R)
• M24: 23,684,784 km (0.051 R)
• M25: 27,293,683 km (0.119 R)
• M26: 37,956,121 km (0.04 R)
• M27: 39,110,568 km (0.053 R)
• M28: 48,189,364 km (0.115 R)
• M29: 50,573,505 km (0.108 R)
• M30: 50,920,422 km (0.086 R)
• M31: 56,502,517 km (0.085 R)
• M32: 63,279,750 km (0.114 R)
• M33: 70,363,209 km (0.052 R)
• M34: 71,447,494 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.3

Radius: 6.4

Gravity: 16.78 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 8.98 AU - 9.3 AU

Year: 18427 Days

Day: 16.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,124,805 km

• M1: 79,586 km (0.111 R)
• M2: 513,869 km (0.101 R)
• M3: 737,368 km (0.106 R)
• M4: 967,599 km (0.032 R)
• M5: 1,218,923 km (0.1 R)
• M6: 1,610,870 km (0.087 R)
• M7: 1,948,063 km (0.072 R)
• M8: 2,552,738 km (0.079 R)
• M9: 2,812,440 km (0.054 R)
• M10: 3,412,926 km (0.036 R)
• M11: 5,728,102 km (0.103 R)
• M12: 6,133,363 km (0.039 R)
• M13: 7,046,509 km (0.118 R)
• M14: 7,947,985 km (0.057 R)
• M15: 9,749,293 km (0.054 R)
• M16: 10,151,412 km (0.105 R)
• M17: 11,298,529 km (0.071 R)
• M18: 11,806,414 km (0.027 R)
• M19: 12,664,208 km (0.091 R)
• M20: 13,704,661 km (0.047 R)
• M21: 15,409,029 km (0.063 R)
• M22: 23,747,166 km (0.069 R)
• M23: 26,414,047 km (0.107 R)
• M24: 28,686,289 km (0.074 R)
• M25: 31,332,676 km (0.112 R)
• M26: 32,587,652 km (0.085 R)
• M27: 35,197,537 km (0.059 R)
• M28: 42,476,819 km (0.091 R)
• M29: 44,012,741 km (0.06 R)
• M30: 45,267,867 km (0.068 R)
• M31: 48,178,892 km (0.098 R)
• M32: 54,909,450 km (0.12 R)
• M33: 56,730,953 km (0.113 R)
• M34: 57,842,914 km (0.117 R)
• M35: 62,829,759 km (0.088 R)
• M36: 64,620,745 km (0.079 R)
• M37: 71,263,788 km (0.115 R)
• M38: 71,693,433 km (0.117 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: 356 - 18,597 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit