🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.7

Radius: 14.9

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.54 AU - 0.7 AU

Year: 337 Days

Day: 12.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,680,021 km

• M1: 186,698 km (0.062 R)
• M2: 765,492 km (0.091 R)
• M3: 1,342,641 km (0.088 R)
• M4: 1,944,024 km (0.118 R)
• M5: 2,563,808 km (0.104 R)
• M6: 3,172,522 km (0.101 R)
• M7: 3,926,795 km (0.114 R)
• M8: 5,091,564 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.3

Radius: 11.4

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.73 AU - 1.15 AU

Year: 629 Days

Day: 10.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,680,021 km

• M1: 141,819 km (0.034 R)
• M2: 525,687 km (0.088 R)
• M3: 998,267 km (0.087 R)
• M4: 1,589,926 km (0.078 R)
• M5: 2,241,275 km (0.052 R)
• M6: 2,720,736 km (0.108 R)
• M7: 3,692,674 km (0.051 R)
• M8: 4,272,216 km (0.071 R)
• M9: 4,710,538 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.8

Radius: 8.6

Gravity: 13.5 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.75 AU - 3.59 AU

Year: 3896 Days

Day: 5.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,680,021 km

• M1: 108,458 km (0.087 R)
• M2: 398,080 km (0.1 R)
• M3: 734,226 km (0.077 R)
• M4: 1,324,390 km (0.081 R)
• M5: 1,955,693 km (0.118 R)
• M6: 2,247,110 km (0.068 R)
• M7: 2,882,153 km (0.08 R)
• M8: 3,463,939 km (0.066 R)
• M9: 3,871,593 km (0.117 R)
• M10: 4,480,905 km (0.097 R)
• M11: 5,207,053 km (0.118 R)
• M12: 5,598,551 km (0.047 R)
• M13: 6,100,152 km (0.117 R)
• M14: 6,408,922 km (0.095 R)
• M15: 7,024,667 km (0.11 R)
• M16: 8,298,942 km (0.118 R)
• M17: 9,804,196 km (0.115 R)
• M18: 11,623,605 km (0.055 R)
• M19: 12,938,121 km (0.054 R)
• M20: 13,345,925 km (0.09 R)
• M21: 17,659,580 km (0.054 R)
• M22: 18,737,732 km (0.098 R)
• M23: 21,518,008 km (0.082 R)
• M24: 22,018,563 km (0.065 R)
• M25: 23,117,658 km (0.099 R)
• M26: 24,795,249 km (0.107 R)
• M27: 25,663,664 km (0.079 R)
• M28: 26,065,035 km (0.105 R)
• M29: 28,734,011 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.2

Radius: 14.4

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.77 AU - 5.29 AU

Year: 7787 Days

Day: 9.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 85,680,021 km

• M1: 185,202 km (0.062 R)
• M2: 672,293 km (0.079 R)
• M3: 1,247,945 km (0.065 R)
• M4: 1,776,774 km (0.102 R)
• M5: 2,364,694 km (0.113 R)
• M6: 2,889,632 km (0.107 R)
• M7: 3,374,629 km (0.063 R)
• M8: 4,714,278 km (0.084 R)
• M9: 5,264,050 km (0.083 R)
• M10: 6,204,721 km (0.094 R)
• M11: 7,698,755 km (0.105 R)
• M12: 10,653,014 km (0.043 R)
• M13: 17,376,541 km (0.081 R)
• M14: 18,027,740 km (0.096 R)
• M15: 18,997,134 km (0.065 R)
• M16: 19,922,397 km (0.099 R)
• M17: 20,635,979 km (0.114 R)
• M18: 22,198,379 km (0.069 R)
• M19: 23,311,986 km (0.115 R)
• M20: 25,280,993 km (0.095 R)
• M21: 28,839,029 km (0.11 R)
• M22: 30,164,765 km (0.12 R)
• M23: 30,685,366 km (0.038 R)
• M24: 35,992,649 km (0.117 R)
• M25: 36,814,540 km (0.091 R)
• M26: 38,131,300 km (0.094 R)
• M27: 41,753,514 km (0.075 R)
• M28: 42,922,621 km (0.065 R)
• M29: 43,980,128 km (0.036 R)
• M30: 45,735,659 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.6

Radius: 7.3

Gravity: 16.39 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.32 AU - 9.58 AU

Year: 15473 Days

Day: 20.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,680,021 km

• M1: 90,956 km (0.098 R)
• M2: 438,023 km (0.065 R)
• M3: 771,327 km (0.084 R)
• M4: 1,472,941 km (0.073 R)
• M5: 2,003,564 km (0.025 R)
• M6: 3,171,475 km (0.086 R)
• M7: 3,495,653 km (0.108 R)
• M8: 5,346,927 km (0.075 R)
• M9: 5,728,551 km (0.12 R)
• M10: 6,376,908 km (0.083 R)
• M11: 12,682,907 km (0.109 R)
• M12: 14,941,686 km (0.091 R)
• M13: 15,241,629 km (0.12 R)
• M14: 21,448,744 km (0.069 R)
• M15: 24,115,626 km (0.045 R)
• M16: 25,051,510 km (0.105 R)
• M17: 27,440,887 km (0.104 R)
• M18: 34,984,659 km (0.067 R)
• M19: 39,512,837 km (0.116 R)
• M20: 45,037,337 km (0.113 R)
• M21: 57,955,861 km (0.028 R)
• M22: 61,917,063 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 734.2

Radius: 3

Gravity: 81.58 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 8.51 AU - 12.25 AU

Year: 23084 Days

Day: 18.1 Hours

Environment

Temp: -246 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 85,680,021 km

• M1: 37,250 km (0.106 R)
• M2: 229,782 km (0.116 R)
• M3: 332,107 km (0.046 R)
• M4: 692,040 km (0.049 R)
• M5: 819,198 km (0.086 R)
• M6: 961,765 km (0.099 R)
• M7: 1,221,167 km (0.099 R)
• M8: 1,525,300 km (0.116 R)
• M9: 2,019,870 km (0.114 R)
• M10: 3,087,102 km (0.108 R)
• M11: 3,999,798 km (0.075 R)
• M12: 4,167,797 km (0.105 R)
• M13: 5,275,419 km (0.116 R)
• M14: 5,518,516 km (0.049 R)
• M15: 6,473,549 km (0.04 R)
• M16: 6,846,496 km (0.088 R)
• M17: 12,430,087 km (0.071 R)
• M18: 13,225,499 km (0.108 R)
• M19: 17,359,636 km (0.103 R)
• M20: 23,884,048 km (0.089 R)
• M21: 32,944,742 km (0.054 R)
• M22: 36,312,490 km (0.087 R)
• M23: 36,749,016 km (0.046 R)
• M24: 40,992,659 km (0.103 R)
• M25: 41,465,837 km (0.115 R)
• M26: 41,783,284 km (0.118 R)
• M27: 47,085,481 km (0.104 R)
• M28: 51,710,000 km (0.096 R)
• M29: 51,893,557 km (0.08 R)
• M30: 57,411,175 km (0.109 R)
• M31: 58,003,433 km (0.098 R)
• M32: 62,262,933 km (0.1 R)
• M33: 62,679,264 km (0.095 R)
• M34: 70,266,569 km (0.119 R)
• M35: 73,002,415 km (0.188 R)
• M36: 73,697,297 km (0.114 R)
• M37: 78,443,139 km (0.093 R)
• M38: 81,634,660 km (0.074 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 11,859 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit