🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.7

Radius: 11.1

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.75 AU - 1.11 AU

Year: 608 Days

Day: 10.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,757,627 km

• M1: 138,228 km (0.074 R)
• M2: 493,224 km (0.088 R)
• M3: 1,103,583 km (0.119 R)
• M4: 1,457,831 km (0.046 R)
• M5: 1,838,408 km (0.118 R)
• M6: 2,325,499 km (0.094 R)
• M7: 2,704,580 km (0.106 R)
• M8: 3,149,634 km (0.077 R)
• M9: 4,449,489 km (0.11 R)
• M10: 4,937,179 km (0.034 R)
• M11: 5,406,317 km (0.077 R)
• M12: 6,617,761 km (0.066 R)
• M13: 7,656,120 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.9

Radius: 14.1

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.97 AU - 1.09 AU

Year: 709 Days

Day: 7.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,757,627 km

• M1: 179,517 km (0.073 R)
• M2: 933,341 km (0.114 R)
• M3: 1,432,400 km (0.031 R)
• M4: 1,872,965 km (0.12 R)
• M5: 2,524,763 km (0.106 R)
• M6: 3,487,725 km (0.079 R)
• M7: 4,941,816 km (0.076 R)
• M8: 5,432,048 km (0.088 R)
• M9: 6,177,345 km (0.119 R)
• M10: 6,725,920 km (0.072 R)
• M11: 7,283,771 km (0.108 R)
• M12: 7,896,823 km (0.046 R)
• M13: 8,442,257 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.7

Radius: 13.2

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.8 AU - 1.82 AU

Year: 1652 Days

Day: 13.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,757,627 km

• M1: 164,109 km (0.116 R)
• M2: 788,231 km (0.077 R)
• M3: 1,248,394 km (0.086 R)
• M4: 2,048,444 km (0.088 R)
• M5: 2,818,424 km (0.107 R)
• M6: 3,316,734 km (0.08 R)
• M7: 3,790,511 km (0.118 R)
• M8: 4,474,323 km (0.094 R)
• M9: 5,512,682 km (0.119 R)
• M10: 6,345,194 km (0.032 R)
• M11: 8,987,242 km (0.119 R)
• M12: 12,665,405 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.1

Radius: 9.7

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.97 AU - 2.45 AU

Year: 2228 Days

Day: 6.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,757,627 km

• M1: 120,576 km (0.1 R)
• M2: 516,861 km (0.046 R)
• M3: 834,756 km (0.103 R)
• M4: 1,558,810 km (0.051 R)
• M5: 2,049,790 km (0.106 R)
• M6: 3,729,026 km (0.078 R)
• M7: 4,083,124 km (0.041 R)
• M8: 4,546,279 km (0.079 R)
• M9: 5,807,539 km (0.102 R)
• M10: 6,312,133 km (0.094 R)
• M11: 6,759,580 km (0.098 R)
• M12: 7,593,438 km (0.066 R)
• M13: 8,394,685 km (0.116 R)
• M14: 8,867,414 km (0.055 R)
• M15: 9,322,042 km (0.094 R)
• M16: 10,164,727 km (0.088 R)
• M17: 10,546,650 km (0.06 R)
• M18: 11,097,320 km (0.11 R)
• M19: 11,959,153 km (0.118 R)
• M20: 12,558,143 km (0.116 R)
• M21: 17,271,373 km (0.067 R)
• M22: 18,259,467 km (0.049 R)
• M23: 19,343,005 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.6

Radius: 9.6

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.55 AU - 2.57 AU

Year: 2778 Days

Day: 11.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,757,627 km

• M1: 119,678 km (0.031 R)
• M2: 442,660 km (0.058 R)
• M3: 750,832 km (0.063 R)
• M4: 1,064,987 km (0.047 R)
• M5: 1,450,800 km (0.092 R)
• M6: 2,188,318 km (0.109 R)
• M7: 2,821,416 km (0.095 R)
• M8: 3,418,611 km (0.088 R)
• M9: 5,237,721 km (0.097 R)
• M10: 5,820,554 km (0.104 R)
• M11: 8,847,667 km (0.06 R)
• M12: 9,640,685 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.1

Radius: 11.1

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.52 AU - 3.9 AU

Year: 4847 Days

Day: 5.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,757,627 km

• M1: 138,079 km (0.116 R)
• M2: 696,079 km (0.112 R)
• M3: 1,184,067 km (0.076 R)
• M4: 1,641,837 km (0.059 R)
• M5: 2,269,250 km (0.093 R)
• M6: 3,018,137 km (0.119 R)
• M7: 5,852,119 km (0.069 R)
• M8: 6,737,290 km (0.1 R)
• M9: 7,315,785 km (0.076 R)
• M10: 9,392,502 km (0.069 R)
• M11: 9,749,443 km (0.087 R)
• M12: 10,376,856 km (0.09 R)
• M13: 11,509,163 km (0.096 R)
• M14: 12,042,778 km (0.113 R)
• M15: 12,983,300 km (0.088 R)
• M16: 13,606,824 km (0.12 R)
• M17: 16,663,408 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.4

Radius: 10.5

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.58 AU - 5.68 AU

Year: 6757 Days

Day: 11.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,757,627 km

• M1: 131,945 km (0.082 R)
• M2: 600,635 km (0.116 R)
• M3: 1,669,363 km (0.048 R)
• M4: 2,971,313 km (0.117 R)
• M5: 3,383,605 km (0.045 R)
• M6: 4,064,275 km (0.075 R)
• M7: 7,400,756 km (0.087 R)
• M8: 15,415,761 km (0.103 R)
• M9: 17,120,130 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.6

Radius: 9.4

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.9 AU - 5.34 AU

Year: 7858 Days

Day: 5.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 77,757,627 km

• M1: 117,135 km (0.117 R)
• M2: 503,846 km (0.09 R)
• M3: 888,013 km (0.113 R)
• M4: 1,250,040 km (0.085 R)
• M5: 1,626,428 km (0.104 R)
• M6: 1,997,281 km (0.094 R)
• M7: 2,932,717 km (0.119 R)
• M8: 5,641,037 km (0.092 R)
• M9: 6,076,965 km (0.061 R)
• M10: 8,049,861 km (0.114 R)
• M11: 8,603,074 km (0.102 R)
• M12: 9,596,853 km (0.115 R)
• M13: 10,766,409 km (0.088 R)
• M14: 14,163,178 km (0.097 R)
• M15: 16,606,560 km (0.036 R)
• M16: 20,465,288 km (0.091 R)
• M17: 24,441,599 km (0.109 R)
• M18: 24,883,212 km (0.099 R)
• M19: 25,965,104 km (0.071 R)
• M20: 27,078,112 km (0.108 R)
• M21: 28,125,896 km (0.101 R)
• M22: 29,200,607 km (0.082 R)
• M23: 30,607,575 km (0.077 R)
• M24: 34,322,090 km (0.056 R)
• M25: 36,344,653 km (0.092 R)
• M26: 38,208,194 km (0.106 R)
• M27: 38,803,294 km (0.088 R)
• M28: 41,746,483 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.6

Radius: 4

Gravity: 47.1 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.37 AU - 8.13 AU

Year: 11895 Days

Day: 15.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,757,627 km

• M1: 50,115 km (0.116 R)
• M2: 192,383 km (0.095 R)
• M3: 384,317 km (0.12 R)
• M4: 571,165 km (0.074 R)
• M5: 1,094,308 km (0.087 R)
• M6: 2,080,757 km (0.116 R)
• M7: 3,241,636 km (0.111 R)
• M8: 3,575,240 km (0.096 R)
• M9: 3,736,656 km (0.072 R)
• M10: 4,462,355 km (0.072 R)
• M11: 5,558,309 km (0.111 R)
• M12: 10,545,902 km (0.111 R)
• M13: 12,959,514 km (0.098 R)
• M14: 13,340,989 km (0.065 R)
• M15: 13,927,263 km (0.116 R)
• M16: 15,011,698 km (0.099 R)
• M17: 15,933,370 km (0.119 R)
• M18: 16,371,093 km (0.083 R)
• M19: 17,270,775 km (0.104 R)
• M20: 18,761,667 km (0.057 R)
• M21: 21,024,934 km (0.117 R)
• M22: 22,086,779 km (0.112 R)
• M23: 23,557,625 km (0.097 R)
• M24: 31,554,978 km (0.079 R)
• M25: 32,827,458 km (0.108 R)
• M26: 35,597,711 km (0.113 R)
• M27: 39,175,494 km (0.11 R)
• M28: 43,126,074 km (0.092 R)
• M29: 50,390,397 km (0.092 R)
• M30: 54,392,290 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.8

Radius: 5.9

Gravity: 23.84 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.9 AU - 11.4 AU

Year: 18773 Days

Day: 18.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,757,627 km

• M1: 146,456 km (0.102 R)
• M2: 496,964 km (0.08 R)
• M3: 1,056,011 km (0.103 R)
• M4: 1,361,490 km (0.086 R)
• M5: 2,642,796 km (0.095 R)
• M6: 2,967,872 km (0.118 R)
• M7: 3,789,164 km (0.102 R)
• M8: 3,976,461 km (0.08 R)
• M9: 4,235,864 km (0.082 R)
• M10: 5,828,782 km (0.098 R)
• M11: 6,079,059 km (0.053 R)
• M12: 6,423,733 km (0.065 R)
• M13: 6,872,975 km (0.112 R)
• M14: 7,294,841 km (0.03 R)
• M15: 8,190,334 km (0.1 R)
• M16: 10,438,939 km (0.055 R)
• M17: 10,870,828 km (0.116 R)
• M18: 11,122,901 km (0.12 R)
• M19: 11,969,176 km (0.104 R)
• M20: 12,648,799 km (0.076 R)
• M21: 14,084,640 km (0.039 R)
• M22: 14,309,036 km (0.089 R)
• M23: 16,028,065 km (0.092 R)
• M24: 18,767,502 km (0.101 R)
• M25: 19,498,138 km (0.093 R)
• M26: 26,948,112 km (0.109 R)
• M27: 31,045,149 km (0.057 R)
• M28: 32,454,660 km (0.075 R)
• M29: 34,174,886 km (0.057 R)
• M30: 34,580,296 km (0.108 R)
• M31: 42,437,625 km (0.114 R)
• M32: 43,062,944 km (0.028 R)
• M33: 46,446,848 km (0.085 R)
• M34: 49,657,517 km (0.074 R)
• M35: 52,294,329 km (0.087 R)
• M36: 55,953,493 km (0.074 R)
• M37: 56,894,165 km (0.083 R)
• M38: 57,463,684 km (0.079 R)
• M39: 62,761,094 km (0.108 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 14,566 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit