🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.57 AU - 0.65 AU

Year: 176 Days

Day: 17.2 Hours

Environment

Temp: 174 °C

Axial Tilt: 5.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.52 AU - 0.8 AU

Year: 198 Days

Day: 17.7 Hours

Environment

Temp: 128 °C

Axial Tilt: 29.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.67 AU - 0.97 AU

Year: 274 Days

Day: 34.6 Hours

Environment

Temp: 173 °C

Axial Tilt: 43.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.7

Radius: 13.3

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.7 AU - 8.7 AU

Year: 7128 Days

Day: 11.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,640,293 km

• M1: 165,455 km (0.065 R)
• M2: 929,302 km (0.103 R)
• M3: 1,402,330 km (0.119 R)
• M4: 1,826,291 km (0.092 R)
• M5: 2,251,448 km (0.089 R)
• M6: 4,180,512 km (0.088 R)
• M7: 5,050,125 km (0.106 R)
• M8: 5,902,982 km (0.1 R)
• M9: 7,814,095 km (0.115 R)
• M10: 8,736,067 km (0.099 R)
• M11: 9,314,263 km (0.115 R)
• M12: 9,729,247 km (0.074 R)
• M13: 12,210,926 km (0.114 R)
• M14: 13,048,525 km (0.072 R)
• M15: 14,467,760 km (0.094 R)
• M16: 15,151,572 km (0.111 R)
• M17: 18,826,593 km (0.099 R)
• M18: 20,481,145 km (0.112 R)
• M19: 21,824,534 km (0.027 R)
• M20: 23,479,236 km (0.073 R)
• M21: 24,862,269 km (0.108 R)
• M22: 25,844,079 km (0.092 R)
• M23: 27,318,067 km (0.115 R)
• M24: 27,885,043 km (0.092 R)
• M25: 31,042,605 km (0.106 R)
• M26: 32,496,248 km (0.033 R)
• M27: 33,239,749 km (0.105 R)
• M28: 35,092,968 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.9

Radius: 4.7

Gravity: 27.16 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 11 AU - 14.46 AU

Year: 16758 Days

Day: 18.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,640,293 km

• M1: 73,153 km (0.069 R)
• M2: 243,545 km (0.096 R)
• M3: 393,143 km (0.117 R)
• M4: 700,866 km (0.096 R)
• M5: 886,667 km (0.088 R)
• M6: 1,092,962 km (0.06 R)
• M7: 1,432,400 km (0.096 R)
• M8: 1,734,887 km (0.086 R)
• M9: 2,712,957 km (0.075 R)
• M10: 3,467,379 km (0.045 R)
• M11: 3,718,704 km (0.089 R)
• M12: 5,379,390 km (0.067 R)
• M13: 7,162,746 km (0.117 R)
• M14: 8,334,247 km (0.032 R)
• M15: 8,683,857 km (0.041 R)
• M16: 10,124,634 km (0.074 R)
• M17: 20,563,873 km (0.114 R)
• M18: 28,772,308 km (0.078 R)
• M19: 29,916,133 km (0.096 R)
• M20: 41,895,931 km (0.072 R)
• M21: 42,919,779 km (0.113 R)
• M22: 50,394,586 km (0.062 R)
• M23: 53,578,178 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.5

Radius: 4.7

Gravity: 32.07 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 13.35 AU - 15.73 AU

Year: 20456 Days

Day: 22.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,640,293 km

• M1: 58,493 km (0.041 R)
• M2: 332,556 km (0.105 R)
• M3: 491,279 km (0.094 R)
• M4: 730,935 km (0.111 R)
• M5: 1,462,319 km (0.077 R)
• M6: 1,664,127 km (0.056 R)
• M7: 3,126,296 km (0.105 R)
• M8: 4,653,092 km (0.073 R)
• M9: 4,942,414 km (0.094 R)
• M10: 7,508,467 km (0.053 R)
• M11: 9,640,835 km (0.108 R)
• M12: 10,111,170 km (0.059 R)
• M13: 11,745,078 km (0.056 R)
• M14: 12,145,702 km (0.075 R)
• M15: 13,330,517 km (0.091 R)
• M16: 13,766,295 km (0.096 R)
• M17: 14,897,704 km (0.072 R)
• M18: 18,842,001 km (0.11 R)
• M19: 19,762,627 km (0.107 R)
• M20: 26,036,462 km (0.047 R)
• M21: 28,589,948 km (0.047 R)
• M22: 34,594,508 km (0.053 R)
• M23: 36,816,036 km (0.064 R)
• M24: 39,130,764 km (0.1 R)
• M25: 43,729,103 km (0.1 R)
• M26: 49,361,014 km (0.085 R)
• M27: 53,615,129 km (0.066 R)
• M28: 55,830,973 km (0.077 R)
• M29: 60,839,808 km (0.071 R)
• M30: 66,140,061 km (0.101 R)
• M31: 69,984,427 km (0.088 R)
• M32: 73,749,506 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 501.9

Radius: 3.7

Gravity: 36.66 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 13.2 AU - 16.3 AU

Year: 20901 Days

Day: 22.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,640,293 km

• M1: 46,076 km (0.111 R)
• M2: 162,014 km (0.079 R)
• M3: 346,169 km (0.101 R)
• M4: 553,512 km (0.098 R)
• M5: 728,242 km (0.106 R)
• M6: 1,202,916 km (0.09 R)
• M7: 1,562,699 km (0.039 R)
• M8: 2,108,582 km (0.093 R)
• M9: 2,231,551 km (0.118 R)
• M10: 3,422,650 km (0.083 R)
• M11: 3,650,936 km (0.061 R)
• M12: 4,233,620 km (0.095 R)
• M13: 5,128,215 km (0.083 R)
• M14: 5,977,931 km (0.042 R)
• M15: 7,469,272 km (0.037 R)
• M16: 8,453,476 km (0.043 R)
• M17: 12,846,268 km (0.068 R)
• M18: 15,218,292 km (0.059 R)
• M19: 16,466,836 km (0.118 R)
• M20: 16,627,504 km (0.104 R)
• M21: 17,116,091 km (0.044 R)
• M22: 18,725,913 km (0.115 R)
• M23: 19,702,638 km (0.113 R)
• M24: 21,088,662 km (0.11 R)
• M25: 23,035,828 km (0.11 R)
• M26: 23,744,623 km (0.105 R)
• M27: 24,052,944 km (0.11 R)
• M28: 27,283,360 km (0.08 R)
• M29: 31,035,275 km (0.087 R)
• M30: 34,851,816 km (0.086 R)
• M31: 36,598,371 km (0.087 R)
• M32: 42,488,039 km (0.087 R)
• M33: 43,706,514 km (0.107 R)
• M34: 49,645,250 km (0.062 R)
• M35: 49,980,798 km (0.051 R)
• M36: 63,090,658 km (0.089 R)
• M37: 68,336,158 km (0.083 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: 337 - 15,032 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit