🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.7

Radius: 14.3

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.02 AU - 1.16 AU

Year: 724 Days

Day: 5.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 77,322,267 km

• M1: 178,620 km (0.109 R)
• M2: 683,812 km (0.07 R)
• M3: 1,483,562 km (0.094 R)
• M4: 2,498,733 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.4

Radius: 12.4

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.73 AU - 2.47 AU

Year: 1935 Days

Day: 10 Hours

Environment

Temp: -189 °C

Axial Tilt: 56.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,322,267 km

• M1: 154,235 km (0.088 R)
• M2: 589,864 km (0.098 R)
• M3: 1,090,568 km (0.114 R)
• M4: 1,604,736 km (0.116 R)
• M5: 2,082,552 km (0.105 R)
• M6: 2,571,139 km (0.111 R)
• M7: 3,331,096 km (0.057 R)
• M8: 4,004,735 km (0.099 R)
• M9: 4,496,164 km (0.092 R)
• M10: 4,918,030 km (0.032 R)
• M11: 5,990,348 km (0.115 R)
• M12: 6,502,870 km (0.086 R)
• M13: 7,615,878 km (0.046 R)
• M14: 9,484,206 km (0.101 R)
• M15: 10,217,684 km (0.055 R)
• M16: 12,278,096 km (0.114 R)
• M17: 12,980,607 km (0.104 R)
• M18: 13,578,999 km (0.109 R)
• M19: 14,465,815 km (0.111 R)
• M20: 15,771,804 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.6

Radius: 9.6

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.56 AU - 3.1 AU

Year: 3027 Days

Day: 11.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,322,267 km

• M1: 150,495 km (0.115 R)
• M2: 539,450 km (0.116 R)
• M3: 874,699 km (0.047 R)
• M4: 1,865,934 km (0.116 R)
• M5: 2,242,023 km (0.044 R)
• M6: 3,573,893 km (0.034 R)
• M7: 5,350,218 km (0.043 R)
• M8: 6,093,271 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.6

Radius: 14.1

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.81 AU - 3.53 AU

Year: 3589 Days

Day: 9.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,322,267 km

• M1: 175,329 km (0.053 R)
• M2: 948,002 km (0.059 R)
• M3: 1,846,487 km (0.11 R)
• M4: 2,583,705 km (0.108 R)
• M5: 3,095,330 km (0.098 R)
• M6: 4,017,451 km (0.116 R)
• M7: 4,950,493 km (0.092 R)
• M8: 6,046,896 km (0.09 R)
• M9: 6,578,118 km (0.113 R)
• M10: 7,762,634 km (0.095 R)
• M11: 10,587,041 km (0.064 R)
• M12: 13,584,983 km (0.098 R)
• M13: 14,037,367 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.9

Radius: 10.1

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.69 AU - 3.99 AU

Year: 3881 Days

Day: 8.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,322,267 km

• M1: 125,961 km (0.092 R)
• M2: 553,363 km (0.098 R)
• M3: 959,072 km (0.068 R)
• M4: 1,728,903 km (0.092 R)
• M5: 2,096,614 km (0.07 R)
• M6: 2,532,542 km (0.029 R)
• M7: 3,139,012 km (0.109 R)
• M8: 3,487,126 km (0.065 R)
• M9: 4,544,185 km (0.086 R)
• M10: 4,991,632 km (0.107 R)
• M11: 5,359,643 km (0.117 R)
• M12: 6,269,647 km (0.083 R)
• M13: 6,698,843 km (0.095 R)
• M14: 7,480,342 km (0.065 R)
• M15: 8,615,491 km (0.074 R)
• M16: 10,401,091 km (0.099 R)
• M17: 13,904,673 km (0.047 R)
• M18: 14,903,538 km (0.067 R)
• M19: 15,283,367 km (0.036 R)
• M20: 16,347,008 km (0.101 R)
• M21: 18,003,505 km (0.114 R)
• M22: 21,303,335 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.9

Radius: 15

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.8 AU - 4.36 AU

Year: 4307 Days

Day: 8.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,322,267 km

• M1: 186,549 km (0.078 R)
• M2: 681,568 km (0.059 R)
• M3: 1,162,375 km (0.091 R)
• M4: 3,819,084 km (0.066 R)
• M5: 4,518,304 km (0.097 R)
• M6: 5,518,217 km (0.068 R)
• M7: 6,115,411 km (0.096 R)
• M8: 6,661,444 km (0.08 R)
• M9: 7,174,115 km (0.096 R)
• M10: 8,388,252 km (0.065 R)
• M11: 9,776,071 km (0.099 R)
• M12: 10,271,390 km (0.117 R)
• M13: 11,766,321 km (0.064 R)
• M14: 12,518,350 km (0.1 R)
• M15: 14,433,053 km (0.109 R)
• M16: 15,130,927 km (0.062 R)
• M17: 16,536,249 km (0.081 R)
• M18: 18,273,829 km (0.101 R)
• M19: 19,027,353 km (0.041 R)
• M20: 19,541,222 km (0.08 R)
• M21: 20,329,303 km (0.053 R)
• M22: 21,829,172 km (0.072 R)
• M23: 24,972,223 km (0.104 R)
• M24: 26,136,244 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.2

Radius: 4

Gravity: 37.33 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.87 AU - 12.33 AU

Year: 21943 Days

Day: 20.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,322,267 km

• M1: 49,816 km (0.082 R)
• M2: 456,872 km (0.102 R)
• M3: 953,537 km (0.074 R)
• M4: 1,361,341 km (0.091 R)
• M5: 1,604,736 km (0.107 R)
• M6: 2,094,669 km (0.085 R)
• M7: 4,124,712 km (0.098 R)
• M8: 7,044,414 km (0.042 R)
• M9: 13,259,757 km (0.031 R)
• M10: 15,283,068 km (0.093 R)
• M11: 15,599,318 km (0.041 R)
• M12: 15,919,906 km (0.064 R)
• M13: 20,881,320 km (0.099 R)
• M14: 28,413,572 km (0.093 R)
• M15: 29,253,564 km (0.094 R)
• M16: 30,606,976 km (0.048 R)
• M17: 38,729,692 km (0.082 R)
• M18: 43,755,732 km (0.086 R)
• M19: 45,198,304 km (0.084 R)
• M20: 56,569,388 km (0.096 R)
• M21: 63,415,285 km (0.067 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 13,433 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit