🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.8

Radius: 12.7

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.24 AU - 1.7 AU

Year: 1230 Days

Day: 12.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,085,750 km

• M1: 158,574 km (0.115 R)
• M2: 728,542 km (0.104 R)
• M3: 1,663,678 km (0.115 R)
• M4: 4,545,531 km (0.08 R)
• M5: 5,283,797 km (0.111 R)
• M6: 7,021,077 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179

Radius: 11.5

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.2 AU - 1.74 AU

Year: 1230 Days

Day: 11.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,085,750 km

• M1: 145,858 km (0.102 R)
• M2: 560,842 km (0.066 R)
• M3: 1,152,951 km (0.034 R)
• M4: 2,194,900 km (0.087 R)
• M5: 2,661,346 km (0.035 R)
• M6: 3,036,238 km (0.111 R)
• M7: 3,645,251 km (0.06 R)
• M8: 4,395,485 km (0.058 R)
• M9: 6,029,243 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.2

Radius: 13.5

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.68 AU - 2.14 AU

Year: 1822 Days

Day: 7.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,085,750 km

• M1: 167,998 km (0.106 R)
• M2: 614,548 km (0.042 R)
• M3: 1,097,450 km (0.078 R)
• M4: 1,767,499 km (0.118 R)
• M5: 2,281,218 km (0.095 R)
• M6: 3,073,488 km (0.113 R)
• M7: 3,548,312 km (0.097 R)
• M8: 3,983,941 km (0.112 R)
• M9: 6,520,672 km (0.112 R)
• M10: 7,490,365 km (0.11 R)
• M11: 8,069,459 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.1

Radius: 9.8

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.22 AU - 4.28 AU

Year: 5013 Days

Day: 12.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,085,750 km

• M1: 122,072 km (0.103 R)
• M2: 501,751 km (0.111 R)
• M3: 970,741 km (0.116 R)
• M4: 1,302,549 km (0.097 R)
• M5: 1,628,822 km (0.112 R)
• M6: 3,209,323 km (0.049 R)
• M7: 3,778,244 km (0.069 R)
• M8: 6,273,686 km (0.106 R)
• M9: 6,831,088 km (0.116 R)
• M10: 7,893,083 km (0.1 R)
• M11: 8,799,796 km (0.114 R)
• M12: 10,597,064 km (0.058 R)
• M13: 13,733,533 km (0.095 R)
• M14: 14,673,457 km (0.096 R)
• M15: 15,944,291 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.1

Radius: 13

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.24 AU - 5.74 AU

Year: 7694 Days

Day: 5 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,085,750 km

• M1: 162,014 km (0.104 R)
• M2: 660,175 km (0.1 R)
• M3: 1,137,991 km (0.105 R)
• M4: 1,662,631 km (0.106 R)
• M5: 2,609,136 km (0.075 R)
• M6: 3,991,421 km (0.062 R)
• M7: 4,799,698 km (0.077 R)
• M8: 6,055,572 km (0.111 R)
• M9: 8,057,042 km (0.062 R)
• M10: 8,979,014 km (0.059 R)
• M11: 9,489,442 km (0.098 R)
• M12: 10,517,628 km (0.074 R)
• M13: 12,338,234 km (0.059 R)
• M14: 14,485,861 km (0.098 R)
• M15: 15,516,441 km (0.095 R)
• M16: 16,049,608 km (0.12 R)
• M17: 16,526,226 km (0.102 R)
• M18: 17,082,431 km (0.119 R)
• M19: 22,243,857 km (0.079 R)
• M20: 23,094,171 km (0.073 R)
• M21: 25,590,511 km (0.092 R)
• M22: 27,480,381 km (0.108 R)
• M23: 28,658,015 km (0.064 R)
• M24: 29,360,377 km (0.109 R)
• M25: 30,799,509 km (0.062 R)
• M26: 31,642,642 km (0.078 R)
• M27: 34,040,995 km (0.046 R)
• M28: 44,850,788 km (0.026 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 360.3

Radius: 5.1

Gravity: 13.85 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.8 AU - 5.96 AU

Year: 9842 Days

Day: 17.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,085,750 km

• M1: 63,729 km (0.031 R)
• M2: 247,884 km (0.113 R)
• M3: 598,391 km (0.103 R)
• M4: 884,572 km (0.058 R)
• M5: 1,802,355 km (0.086 R)
• M6: 2,602,405 km (0.081 R)
• M7: 3,080,968 km (0.098 R)
• M8: 3,319,128 km (0.03 R)
• M9: 3,687,438 km (0.102 R)
• M10: 4,056,945 km (0.108 R)
• M11: 5,625,628 km (0.051 R)
• M12: 7,067,303 km (0.111 R)
• M13: 7,597,926 km (0.071 R)
• M14: 8,033,406 km (0.083 R)
• M15: 9,988,949 km (0.067 R)
• M16: 16,708,885 km (0.102 R)
• M17: 17,107,414 km (0.101 R)
• M18: 17,308,922 km (0.044 R)
• M19: 19,340,013 km (0.054 R)
• M20: 19,632,028 km (0.09 R)
• M21: 22,635,654 km (0.113 R)
• M22: 23,041,662 km (0.082 R)
• M23: 23,618,213 km (0.105 R)
• M24: 25,405,309 km (0.052 R)
• M25: 30,706,758 km (0.087 R)
• M26: 31,304,402 km (0.101 R)
• M27: 32,215,303 km (0.091 R)
• M28: 33,456,965 km (0.118 R)
• M29: 35,487,906 km (0.105 R)
• M30: 37,373,288 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.4

Radius: 4.1

Gravity: 17.45 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.97 AU - 9.19 AU

Year: 14405 Days

Day: 15.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,085,750 km

• M1: 51,162 km (0.038 R)
• M2: 225,743 km (0.108 R)
• M3: 761,752 km (0.093 R)
• M4: 1,018,911 km (0.041 R)
• M5: 3,892,686 km (0.103 R)
• M6: 4,861,033 km (0.108 R)
• M7: 6,375,562 km (0.099 R)
• M8: 7,259,536 km (0.049 R)
• M9: 8,576,296 km (0.104 R)
• M10: 8,848,415 km (0.074 R)
• M11: 10,094,266 km (0.106 R)
• M12: 13,046,580 km (0.093 R)
• M13: 13,346,075 km (0.089 R)
• M14: 14,020,911 km (0.109 R)
• M15: 16,457,860 km (0.116 R)
• M16: 16,737,010 km (0.089 R)
• M17: 19,085,996 km (0.092 R)
• M18: 19,549,749 km (0.037 R)
• M19: 21,729,240 km (0.062 R)
• M20: 29,127,902 km (0.067 R)
• M21: 30,365,077 km (0.119 R)
• M22: 35,085,637 km (0.031 R)
• M23: 37,921,863 km (0.101 R)
• M24: 38,653,995 km (0.117 R)
• M25: 42,195,725 km (0.081 R)
• M26: 44,045,054 km (0.101 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 12,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit