🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.63 AU - 1.03 AU

Year: 337 Days

Day: 42.8 Hours

Environment

Temp: -42 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,027,930 km

• M1: 131,945 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.07 AU - 2.21 AU

Year: 1397 Days

Day: 27.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.04 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.5

Radius: 8.9

Gravity: 12.43 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.47 AU - 4.39 AU

Year: 3476 Days

Day: 10.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,027,930 km

• M1: 110,702 km (0.116 R)
• M2: 398,230 km (0.052 R)
• M3: 935,286 km (0.069 R)
• M4: 1,233,135 km (0.116 R)
• M5: 1,537,866 km (0.075 R)
• M6: 1,815,221 km (0.088 R)
• M7: 2,379,504 km (0.115 R)
• M8: 2,805,858 km (0.055 R)
• M9: 3,186,883 km (0.056 R)
• M10: 4,281,341 km (0.11 R)
• M11: 4,788,029 km (0.114 R)
• M12: 5,121,334 km (0.116 R)
• M13: 5,664,673 km (0.073 R)
• M14: 6,275,780 km (0.101 R)
• M15: 6,865,944 km (0.096 R)
• M16: 7,257,591 km (0.115 R)
• M17: 8,596,642 km (0.109 R)
• M18: 9,246,046 km (0.102 R)
• M19: 10,093,219 km (0.095 R)
• M20: 10,686,075 km (0.091 R)
• M21: 11,212,510 km (0.091 R)
• M22: 12,652,838 km (0.114 R)
• M23: 13,093,254 km (0.115 R)
• M24: 14,212,695 km (0.088 R)
• M25: 16,066,512 km (0.104 R)
• M26: 19,333,281 km (0.055 R)
• M27: 22,021,255 km (0.048 R)
• M28: 22,303,098 km (0.111 R)
• M29: 24,796,595 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.8

Radius: 11.4

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.92 AU - 5.04 AU

Year: 4231 Days

Day: 9.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,027,930 km

• M1: 141,819 km (0.119 R)
• M2: 699,669 km (0.11 R)
• M3: 1,278,164 km (0.098 R)
• M4: 1,654,253 km (0.077 R)
• M5: 2,064,750 km (0.112 R)
• M6: 2,512,496 km (0.085 R)
• M7: 3,007,216 km (0.09 R)
• M8: 3,788,416 km (0.111 R)
• M9: 4,724,002 km (0.117 R)
• M10: 5,272,278 km (0.099 R)
• M11: 5,862,741 km (0.081 R)
• M12: 7,632,483 km (0.081 R)
• M13: 8,460,208 km (0.07 R)
• M14: 9,194,884 km (0.087 R)
• M15: 11,789,210 km (0.093 R)
• M16: 13,473,083 km (0.069 R)
• M17: 14,372,615 km (0.04 R)
• M18: 15,205,427 km (0.067 R)
• M19: 16,291,358 km (0.109 R)
• M20: 16,910,244 km (0.108 R)
• M21: 17,603,331 km (0.094 R)
• M22: 18,315,118 km (0.072 R)
• M23: 20,761,641 km (0.097 R)
• M24: 21,623,475 km (0.075 R)
• M25: 23,206,519 km (0.093 R)
• M26: 23,631,826 km (0.108 R)
• M27: 24,062,369 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.6

Radius: 8

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 8.82 AU - 8.92 AU

Year: 11788 Days

Day: 5.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,027,930 km

• M1: 103,671 km (0.09 R)
• M2: 413,040 km (0.106 R)
• M3: 989,889 km (0.107 R)
• M4: 1,319,603 km (0.072 R)
• M5: 1,661,883 km (0.088 R)
• M6: 2,794,937 km (0.119 R)
• M7: 3,127,792 km (0.105 R)
• M8: 3,793,952 km (0.11 R)
• M9: 4,492,125 km (0.104 R)
• M10: 5,339,148 km (0.046 R)
• M11: 5,888,920 km (0.042 R)
• M12: 6,981,284 km (0.102 R)
• M13: 10,062,850 km (0.114 R)
• M14: 21,155,084 km (0.081 R)
• M15: 23,776,936 km (0.057 R)
• M16: 25,449,739 km (0.077 R)
• M17: 33,155,376 km (0.101 R)
• M18: 34,187,003 km (0.075 R)
• M19: 39,540,961 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.1

Radius: 10.7

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.95 AU - 10.91 AU

Year: 11908 Days

Day: 13.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,027,930 km

• M1: 133,142 km (0.08 R)
• M2: 537,505 km (0.058 R)
• M3: 910,901 km (0.109 R)
• M4: 1,257,221 km (0.056 R)
• M5: 1,850,077 km (0.108 R)
• M6: 2,212,104 km (0.074 R)
• M7: 2,580,414 km (0.113 R)
• M8: 3,175,215 km (0.082 R)
• M9: 4,222,250 km (0.099 R)
• M10: 5,451,346 km (0.115 R)
• M11: 6,864,597 km (0.082 R)
• M12: 8,885,515 km (0.12 R)
• M13: 9,224,654 km (0.066 R)
• M14: 12,021,535 km (0.119 R)
• M15: 13,108,962 km (0.118 R)
• M16: 14,525,654 km (0.083 R)
• M17: 14,929,120 km (0.113 R)
• M18: 17,889,961 km (0.06 R)
• M19: 21,654,292 km (0.047 R)
• M20: 22,092,913 km (0.093 R)
• M21: 24,564,718 km (0.112 R)
• M22: 27,521,071 km (0.117 R)
• M23: 30,706,758 km (0.055 R)
• M24: 31,821,113 km (0.096 R)
• M25: 36,056,677 km (0.082 R)
• M26: 43,786,848 km (0.109 R)
• M27: 44,913,320 km (0.049 R)
• M28: 45,340,721 km (0.031 R)
• M29: 50,529,374 km (0.078 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 10,835 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit