🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.7

Radius: 8.8

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.24 AU - 1.48 AU

Year: 1040 Days

Day: 9.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,309,741 km

• M1: 111,899 km (0.066 R)
• M2: 428,598 km (0.088 R)
• M3: 922,720 km (0.108 R)
• M4: 1,266,496 km (0.112 R)
• M5: 1,643,333 km (0.096 R)
• M6: 1,925,773 km (0.112 R)
• M7: 2,230,205 km (0.078 R)
• M8: 2,590,437 km (0.08 R)
• M9: 2,950,220 km (0.1 R)
• M10: 3,574,940 km (0.12 R)
• M11: 4,251,571 km (0.054 R)
• M12: 5,219,021 km (0.062 R)
• M13: 5,713,891 km (0.118 R)
• M14: 6,728,613 km (0.101 R)
• M15: 7,123,851 km (0.088 R)
• M16: 7,608,548 km (0.106 R)
• M17: 8,037,594 km (0.102 R)
• M18: 8,563,132 km (0.106 R)
• M19: 9,027,633 km (0.106 R)
• M20: 9,308,578 km (0.103 R)
• M21: 10,126,729 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.7

Radius: 8.5

Gravity: 13.34 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.94 AU - 2.36 AU

Year: 2068 Days

Day: 5.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,309,741 km

• M1: 119,828 km (0.083 R)
• M2: 397,482 km (0.101 R)
• M3: 700,716 km (0.048 R)
• M4: 1,222,215 km (0.111 R)
• M5: 1,718,431 km (0.115 R)
• M6: 2,612,577 km (0.105 R)
• M7: 5,117,444 km (0.103 R)
• M8: 6,135,308 km (0.107 R)
• M9: 6,650,224 km (0.027 R)
• M10: 8,732,477 km (0.027 R)
• M11: 10,068,385 km (0.11 R)
• M12: 10,366,085 km (0.093 R)
• M13: 11,454,859 km (0.069 R)
• M14: 12,151,985 km (0.092 R)
• M15: 12,447,141 km (0.068 R)
• M16: 16,119,021 km (0.12 R)
• M17: 17,046,677 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.9

Radius: 11.4

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.84 AU - 2.88 AU

Year: 2378 Days

Day: 12 Hours

Environment

Temp: -196 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,309,741 km

• M1: 153,338 km (0.064 R)
• M2: 579,542 km (0.111 R)
• M3: 1,146,668 km (0.081 R)
• M4: 1,526,945 km (0.119 R)
• M5: 2,029,445 km (0.059 R)
• M6: 3,336,631 km (0.097 R)
• M7: 6,582,456 km (0.031 R)
• M8: 7,128,488 km (0.078 R)
• M9: 8,542,936 km (0.113 R)
• M10: 8,984,399 km (0.07 R)
• M11: 9,584,736 km (0.066 R)
• M12: 10,211,551 km (0.09 R)
• M13: 11,711,868 km (0.097 R)
• M14: 12,644,910 km (0.1 R)
• M15: 13,354,153 km (0.108 R)
• M16: 13,903,327 km (0.094 R)
• M17: 14,852,077 km (0.114 R)
• M18: 15,491,608 km (0.08 R)
• M19: 16,303,774 km (0.09 R)
• M20: 19,313,235 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.3

Radius: 13.6

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.94 AU - 4.14 AU

Year: 4369 Days

Day: 7.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,309,741 km

• M1: 169,644 km (0.088 R)
• M2: 632,201 km (0.099 R)
• M3: 1,100,143 km (0.118 R)
• M4: 1,848,431 km (0.06 R)
• M5: 2,292,587 km (0.107 R)
• M6: 3,301,326 km (0.069 R)
• M7: 3,987,232 km (0.114 R)
• M8: 4,413,736 km (0.072 R)
• M9: 4,950,194 km (0.098 R)
• M10: 5,444,315 km (0.073 R)
• M11: 6,341,753 km (0.045 R)
• M12: 6,859,511 km (0.065 R)
• M13: 7,689,181 km (0.092 R)
• M14: 8,779,749 km (0.026 R)
• M15: 12,522,838 km (0.116 R)
• M16: 16,848,909 km (0.094 R)
• M17: 18,553,577 km (0.119 R)
• M18: 19,414,213 km (0.054 R)
• M19: 20,579,581 km (0.078 R)
• M20: 21,215,222 km (0.103 R)
• M21: 21,863,729 km (0.092 R)
• M22: 22,525,550 km (0.077 R)
• M23: 25,387,955 km (0.11 R)
• M24: 27,369,230 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.3

Radius: 3.8

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.51 AU - 7.71 AU

Year: 11148 Days

Day: 21.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,309,741 km

• M1: 48,021 km (0.086 R)
• M2: 185,352 km (0.053 R)
• M3: 499,806 km (0.094 R)
• M4: 810,970 km (0.12 R)
• M5: 1,219,821 km (0.113 R)
• M6: 1,408,464 km (0.106 R)
• M7: 1,568,534 km (0.109 R)
• M8: 3,838,831 km (0.055 R)
• M9: 5,577,906 km (0.116 R)
• M10: 5,833,868 km (0.096 R)
• M11: 7,676,166 km (0.114 R)
• M12: 8,028,768 km (0.079 R)
• M13: 8,318,539 km (0.086 R)
• M14: 14,056,814 km (0.099 R)
• M15: 18,089,524 km (0.095 R)
• M16: 19,221,980 km (0.056 R)
• M17: 20,602,170 km (0.108 R)
• M18: 21,836,502 km (0.036 R)
• M19: 22,117,297 km (0.058 R)
• M20: 26,069,224 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.7

Radius: 5

Gravity: 31.79 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.79 AU - 6.81 AU

Year: 11632 Days

Day: 16.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 76,309,741 km

• M1: 91,703 km (0.085 R)
• M2: 269,426 km (0.111 R)
• M3: 570,117 km (0.107 R)
• M4: 860,637 km (0.105 R)
• M5: 1,051,523 km (0.092 R)
• M6: 1,520,064 km (0.119 R)
• M7: 1,752,240 km (0.03 R)
• M8: 1,954,795 km (0.107 R)
• M9: 2,489,159 km (0.028 R)
• M10: 2,926,733 km (0.113 R)
• M11: 3,163,995 km (0.119 R)
• M12: 3,758,796 km (0.11 R)
• M13: 4,738,064 km (0.113 R)
• M14: 5,133,002 km (0.074 R)
• M15: 5,657,043 km (0.107 R)
• M16: 5,988,253 km (0.057 R)
• M17: 6,410,568 km (0.115 R)
• M18: 7,662,852 km (0.031 R)
• M19: 8,114,338 km (0.044 R)
• M20: 9,119,785 km (0.049 R)
• M21: 9,782,205 km (0.069 R)
• M22: 13,844,236 km (0.102 R)
• M23: 14,513,088 km (0.114 R)
• M24: 15,699,399 km (0.112 R)
• M25: 18,662,185 km (0.112 R)
• M26: 20,831,952 km (0.074 R)
• M27: 26,672,852 km (0.092 R)
• M28: 30,408,161 km (0.072 R)
• M29: 30,631,510 km (0.113 R)
• M30: 32,574,936 km (0.07 R)
• M31: 34,598,996 km (0.115 R)
• M32: 36,831,744 km (0.101 R)
• M33: 48,073,725 km (0.089 R)
• M34: 48,987,169 km (0.085 R)
• M35: 49,757,299 km (0.093 R)
• M36: 51,479,769 km (0.118 R)
• M37: 52,115,859 km (0.111 R)
• M38: 54,055,545 km (0.075 R)
• M39: 55,541,501 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.9

Radius: 4

Gravity: 22.62 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.73 AU - 8.43 AU

Year: 13690 Days

Day: 23.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,309,741 km

• M1: 49,816 km (0.085 R)
• M2: 241,601 km (0.112 R)
• M3: 409,150 km (0.117 R)
• M4: 558,000 km (0.078 R)
• M5: 878,887 km (0.065 R)
• M6: 1,108,670 km (0.098 R)
• M7: 1,672,953 km (0.105 R)
• M8: 1,909,018 km (0.094 R)
• M9: 2,752,152 km (0.116 R)
• M10: 3,104,156 km (0.107 R)
• M11: 3,791,558 km (0.08 R)
• M12: 4,170,938 km (0.093 R)
• M13: 5,733,638 km (0.104 R)
• M14: 5,908,817 km (0.094 R)
• M15: 7,606,753 km (0.096 R)
• M16: 8,297,296 km (0.067 R)
• M17: 11,534,594 km (0.058 R)
• M18: 11,926,840 km (0.104 R)
• M19: 14,662,686 km (0.081 R)
• M20: 15,796,488 km (0.115 R)
• M21: 16,210,276 km (0.075 R)
• M22: 22,437,885 km (0.114 R)
• M23: 25,132,592 km (0.118 R)
• M24: 25,413,387 km (0.064 R)
• M25: 27,044,004 km (0.099 R)
• M26: 27,240,426 km (0.093 R)
• M27: 29,050,261 km (0.059 R)
• M28: 29,984,649 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.2

Radius: 4.7

Gravity: 24 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 9.8 AU - 11.52 AU

Year: 22832 Days

Day: 19.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,309,741 km

• M1: 58,792 km (0.078 R)
• M2: 263,292 km (0.085 R)
• M3: 510,578 km (0.088 R)
• M4: 724,951 km (0.078 R)
• M5: 962,214 km (0.079 R)
• M6: 1,414,149 km (0.063 R)
• M7: 1,609,823 km (0.08 R)
• M8: 2,329,987 km (0.106 R)
• M9: 2,651,921 km (0.101 R)
• M10: 3,189,576 km (0.099 R)
• M11: 4,111,697 km (0.076 R)
• M12: 4,443,805 km (0.078 R)
• M13: 5,237,272 km (0.095 R)
• M14: 5,870,669 km (0.113 R)
• M15: 6,036,723 km (0.08 R)
• M16: 6,732,652 km (0.116 R)
• M17: 7,099,915 km (0.094 R)
• M18: 9,084,331 km (0.064 R)
• M19: 10,113,863 km (0.099 R)
• M20: 10,966,571 km (0.089 R)
• M21: 12,953,530 km (0.083 R)
• M22: 14,179,634 km (0.072 R)
• M23: 15,402,447 km (0.095 R)
• M24: 17,111,902 km (0.098 R)
• M25: 17,451,340 km (0.109 R)
• M26: 18,764,061 km (0.117 R)
• M27: 21,682,865 km (0.112 R)
• M28: 22,080,197 km (0.062 R)
• M29: 23,823,311 km (0.075 R)
• M30: 25,216,815 km (0.073 R)
• M31: 31,587,890 km (0.06 R)
• M32: 36,943,942 km (0.067 R)
• M33: 37,939,516 km (0.09 R)
• M34: 54,724,397 km (0.099 R)
• M35: 72,707,856 km (0.047 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 13,378 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit