🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.09 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.7

Radius: 11.8

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.82 AU - 2.54 AU

Year: 2078 Days

Day: 6.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,868,738 km

• M1: 147,653 km (0.115 R)
• M2: 580,141 km (0.043 R)
• M3: 1,630,766 km (0.116 R)
• M4: 2,643,245 km (0.103 R)
• M5: 3,156,365 km (0.095 R)
• M6: 3,844,067 km (0.094 R)
• M7: 5,280,954 km (0.083 R)
• M8: 5,929,611 km (0.097 R)
• M9: 6,562,709 km (0.082 R)
• M10: 7,337,476 km (0.03 R)
• M11: 9,125,769 km (0.052 R)
• M12: 10,273,783 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.4

Radius: 9.3

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.99 AU - 2.97 AU

Year: 2522 Days

Day: 9 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,868,738 km

• M1: 115,789 km (0.114 R)
• M2: 488,736 km (0.069 R)
• M3: 1,440,179 km (0.044 R)
• M4: 1,833,621 km (0.115 R)
• M5: 2,375,315 km (0.091 R)
• M6: 3,195,560 km (0.064 R)
• M7: 4,193,378 km (0.036 R)
• M8: 6,386,632 km (0.119 R)
• M9: 7,001,180 km (0.101 R)
• M10: 8,086,513 km (0.09 R)
• M11: 8,669,496 km (0.067 R)
• M12: 10,159,042 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.3

Radius: 11.6

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.13 AU - 4.55 AU

Year: 5838 Days

Day: 8.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,868,738 km

• M1: 144,212 km (0.092 R)
• M2: 563,834 km (0.098 R)
• M3: 985,700 km (0.099 R)
• M4: 2,172,311 km (0.114 R)
• M5: 2,637,560 km (0.099 R)
• M6: 3,728,428 km (0.099 R)
• M7: 4,306,175 km (0.1 R)
• M8: 5,046,385 km (0.045 R)
• M9: 6,222,823 km (0.093 R)
• M10: 7,235,750 km (0.081 R)
• M11: 7,642,806 km (0.108 R)
• M12: 8,101,024 km (0.109 R)
• M13: 8,466,043 km (0.066 R)
• M14: 10,288,743 km (0.117 R)
• M15: 10,673,958 km (0.101 R)
• M16: 11,382,603 km (0.107 R)
• M17: 12,360,075 km (0.113 R)
• M18: 15,967,478 km (0.119 R)
• M19: 21,170,642 km (0.084 R)
• M20: 24,492,463 km (0.093 R)
• M21: 26,676,292 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843.8

Radius: 6.8

Gravity: 18.25 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.16 AU - 7.18 AU

Year: 12396 Days

Day: 16 Hours

Environment

Temp: -234 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,868,738 km

• M1: 84,822 km (0.115 R)
• M2: 296,653 km (0.113 R)
• M3: 510,278 km (0.102 R)
• M4: 1,078,002 km (0.101 R)
• M5: 2,473,900 km (0.044 R)
• M6: 2,893,372 km (0.085 R)
• M7: 3,543,076 km (0.046 R)
• M8: 4,225,392 km (0.105 R)
• M9: 5,552,325 km (0.116 R)
• M10: 5,847,781 km (0.056 R)
• M11: 6,310,637 km (0.055 R)
• M12: 8,314,201 km (0.075 R)
• M13: 9,304,688 km (0.034 R)
• M14: 10,043,403 km (0.102 R)
• M15: 10,763,716 km (0.063 R)
• M16: 12,369,051 km (0.11 R)
• M17: 13,656,640 km (0.09 R)
• M18: 15,752,057 km (0.055 R)
• M19: 16,195,316 km (0.082 R)
• M20: 17,107,115 km (0.101 R)
• M21: 17,892,653 km (0.114 R)
• M22: 24,370,690 km (0.109 R)
• M23: 26,905,626 km (0.117 R)
• M24: 27,645,687 km (0.071 R)
• M25: 29,611,103 km (0.108 R)
• M26: 33,452,777 km (0.115 R)
• M27: 33,695,724 km (0.115 R)
• M28: 40,022,966 km (0.115 R)
• M29: 43,681,531 km (0.032 R)
• M30: 46,040,241 km (0.055 R)
• M31: 46,794,364 km (0.071 R)
• M32: 47,098,346 km (0.047 R)
• M33: 48,018,224 km (0.08 R)
• M34: 49,106,399 km (0.057 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.6

Radius: 6.2

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.42 AU - 9 AU

Year: 12500 Days

Day: 17 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,868,738 km

• M1: 77,043 km (0.109 R)
• M2: 307,124 km (0.118 R)
• M3: 684,709 km (0.107 R)
• M4: 1,266,944 km (0.067 R)
• M5: 1,933,702 km (0.067 R)
• M6: 2,875,869 km (0.051 R)
• M7: 3,257,045 km (0.106 R)
• M8: 4,120,075 km (0.041 R)
• M9: 5,653,304 km (0.068 R)
• M10: 6,472,352 km (0.05 R)
• M11: 7,166,636 km (0.059 R)
• M12: 7,866,903 km (0.083 R)
• M13: 8,299,690 km (0.084 R)
• M14: 10,704,625 km (0.112 R)
• M15: 13,234,325 km (0.101 R)
• M16: 14,222,270 km (0.096 R)
• M17: 15,458,247 km (0.101 R)
• M18: 17,119,681 km (0.099 R)
• M19: 18,142,033 km (0.119 R)
• M20: 18,366,280 km (0.069 R)
• M21: 18,820,310 km (0.108 R)
• M22: 20,468,579 km (0.032 R)
• M23: 21,120,975 km (0.064 R)
• M24: 23,249,454 km (0.039 R)
• M25: 27,828,046 km (0.098 R)
• M26: 29,034,553 km (0.099 R)
• M27: 29,444,302 km (0.11 R)
• M28: 29,857,790 km (0.119 R)
• M29: 31,336,116 km (0.076 R)
• M30: 32,202,288 km (0.06 R)
• M31: 32,641,358 km (0.099 R)
• M32: 38,471,486 km (0.113 R)
• M33: 43,875,410 km (0.118 R)
• M34: 44,415,009 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.5

Radius: 3.6

Gravity: 69.71 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.13 AU - 8.99 AU

Year: 13421 Days

Day: 16.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 63,868,738 km

• M1: 44,730 km (0.079 R)
• M2: 256,261 km (0.047 R)
• M3: 405,261 km (0.102 R)
• M4: 579,393 km (0.079 R)
• M5: 716,125 km (0.116 R)
• M6: 961,914 km (0.115 R)
• M7: 1,539,960 km (0.043 R)
• M8: 2,023,610 km (0.117 R)
• M9: 2,383,692 km (0.046 R)
• M10: 2,669,424 km (0.073 R)
• M11: 2,928,528 km (0.105 R)
• M12: 5,452,394 km (0.103 R)
• M13: 6,554,481 km (0.062 R)
• M14: 7,656,868 km (0.111 R)
• M15: 8,130,495 km (0.114 R)
• M16: 8,673,685 km (0.114 R)
• M17: 10,391,367 km (0.116 R)
• M18: 12,644,910 km (0.115 R)
• M19: 12,972,529 km (0.051 R)
• M20: 15,204,080 km (0.098 R)
• M21: 21,316,649 km (0.097 R)
• M22: 22,536,470 km (0.102 R)
• M23: 25,527,231 km (0.069 R)
• M24: 27,009,148 km (0.108 R)
• M25: 32,402,749 km (0.097 R)
• M26: 32,769,563 km (0.092 R)
• M27: 35,804,006 km (0.077 R)
• M28: 35,934,456 km (0.084 R)
• M29: 36,458,946 km (0.038 R)
• M30: 37,657,823 km (0.114 R)
• M31: 45,255,301 km (0.088 R)
• M32: 47,734,885 km (0.062 R)
• M33: 48,528,053 km (0.077 R)
• M34: 49,008,113 km (0.045 R)
• M35: 52,289,393 km (0.078 R)
• M36: 52,962,882 km (0.086 R)
• M37: 53,983,738 km (0.048 R)
• M38: 58,559,488 km (0.094 R)
• M39: 61,686,981 km (0.107 R)

Asteroid Belt

Center: 7.82 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.5

Radius: 7.2

Gravity: 13.51 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.13 AU - 10.01 AU

Year: 14802 Days

Day: 15.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 63,868,738 km

• M1: 93,798 km (0.085 R)
• M2: 327,320 km (0.118 R)
• M3: 720,763 km (0.102 R)
• M4: 1,010,683 km (0.061 R)
• M5: 1,377,946 km (0.119 R)
• M6: 1,617,153 km (0.077 R)
• M7: 2,028,547 km (0.104 R)
• M8: 2,573,083 km (0.099 R)
• M9: 3,691,776 km (0.099 R)
• M10: 4,128,153 km (0.064 R)
• M11: 4,406,256 km (0.101 R)
• M12: 5,000,159 km (0.092 R)
• M13: 5,388,515 km (0.118 R)
• M14: 6,427,622 km (0.111 R)
• M15: 6,802,066 km (0.104 R)
• M16: 7,368,443 km (0.115 R)
• M17: 14,028,241 km (0.095 R)
• M18: 16,740,301 km (0.098 R)
• M19: 17,369,659 km (0.068 R)
• M20: 18,591,874 km (0.114 R)
• M21: 22,036,215 km (0.061 R)
• M22: 22,601,396 km (0.069 R)
• M23: 23,176,151 km (0.098 R)
• M24: 23,858,916 km (0.099 R)
• M25: 25,572,858 km (0.074 R)
• M26: 26,831,126 km (0.091 R)
• M27: 29,018,995 km (0.078 R)
• M28: 33,995,518 km (0.084 R)
• M29: 34,245,645 km (0.102 R)
• M30: 35,258,872 km (0.083 R)
• M31: 35,772,890 km (0.097 R)
• M32: 38,962,616 km (0.109 R)
• M33: 41,905,056 km (0.103 R)
• M34: 46,977,322 km (0.059 R)
• M35: 52,444,226 km (0.035 R)
• M36: 54,129,297 km (0.103 R)
• M37: 57,784,870 km (0.064 R)
• M38: 62,722,498 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.1

Radius: 5.5

Gravity: 16.66 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 9.11 AU - 9.23 AU

Year: 17930 Days

Day: 20.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 63,868,738 km

• M1: 92,152 km (0.086 R)
• M2: 370,853 km (0.057 R)
• M3: 626,067 km (0.106 R)
• M4: 907,012 km (0.066 R)
• M5: 1,560,904 km (0.097 R)
• M6: 2,120,101 km (0.088 R)
• M7: 2,780,426 km (0.114 R)
• M8: 3,853,043 km (0.083 R)
• M9: 4,863,128 km (0.109 R)
• M10: 5,960,129 km (0.067 R)
• M11: 7,995,707 km (0.106 R)
• M12: 8,631,498 km (0.062 R)
• M13: 9,039,302 km (0.064 R)
• M14: 9,300,500 km (0.112 R)
• M15: 9,674,793 km (0.089 R)
• M16: 10,396,304 km (0.106 R)
• M17: 13,643,625 km (0.079 R)
• M18: 14,621,247 km (0.102 R)
• M19: 15,200,340 km (0.08 R)
• M20: 15,421,446 km (0.081 R)
• M21: 16,327,261 km (0.082 R)
• M22: 18,830,782 km (0.087 R)
• M23: 19,257,136 km (0.056 R)
• M24: 19,777,287 km (0.09 R)
• M25: 24,180,701 km (0.083 R)
• M26: 24,381,311 km (0.116 R)
• M27: 27,854,675 km (0.083 R)
• M28: 28,631,686 km (0.115 R)
• M29: 32,246,569 km (0.119 R)
• M30: 36,945,588 km (0.09 R)
• M31: 40,366,592 km (0.085 R)
• M32: 41,792,110 km (0.063 R)
• M33: 45,197,406 km (0.076 R)
• M34: 45,807,915 km (0.101 R)
• M35: 47,515,276 km (0.085 R)
• M36: 48,623,497 km (0.1 R)
• M37: 60,669,865 km (0.115 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 10,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit