🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.29 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.7

Radius: 11.2

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.27 AU - 2.89 AU

Year: 2811 Days

Day: 11.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,171,421 km

• M1: 139,276 km (0.106 R)
• M2: 489,335 km (0.065 R)
• M3: 1,017,864 km (0.113 R)
• M4: 1,545,645 km (0.045 R)
• M5: 2,053,829 km (0.091 R)
• M6: 2,516,685 km (0.05 R)
• M7: 3,032,947 km (0.1 R)
• M8: 6,040,164 km (0.108 R)
• M9: 6,914,713 km (0.098 R)
• M10: 8,653,638 km (0.068 R)
• M11: 10,482,323 km (0.085 R)
• M12: 11,903,203 km (0.116 R)
• M13: 14,021,958 km (0.091 R)
• M14: 14,565,746 km (0.116 R)
• M15: 17,086,321 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.9

Radius: 11.3

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.36 AU - 2.92 AU

Year: 2909 Days

Day: 7.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,171,421 km

• M1: 140,772 km (0.114 R)
• M2: 493,972 km (0.038 R)
• M3: 914,193 km (0.038 R)
• M4: 1,304,643 km (0.102 R)
• M5: 2,500,379 km (0.037 R)
• M6: 3,232,361 km (0.095 R)
• M7: 3,728,577 km (0.03 R)
• M8: 5,145,419 km (0.098 R)
• M9: 5,689,506 km (0.111 R)
• M10: 6,157,897 km (0.116 R)
• M11: 6,923,988 km (0.101 R)
• M12: 8,468,735 km (0.09 R)
• M13: 11,009,954 km (0.104 R)
• M14: 13,727,400 km (0.109 R)
• M15: 14,170,359 km (0.108 R)
• M16: 15,189,121 km (0.112 R)
• M17: 15,984,682 km (0.039 R)
• M18: 17,315,206 km (0.088 R)
• M19: 18,538,767 km (0.099 R)
• M20: 19,447,424 km (0.088 R)
• M21: 20,132,433 km (0.111 R)
• M22: 21,222,702 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.6

Radius: 12.8

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.98 AU - 4.42 AU

Year: 5838 Days

Day: 10.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 89,171,421 km

• M1: 159,771 km (0.091 R)
• M2: 600,037 km (0.117 R)
• M3: 1,028,785 km (0.067 R)
• M4: 1,549,834 km (0.108 R)
• M5: 2,857,020 km (0.073 R)
• M6: 3,491,016 km (0.094 R)
• M7: 4,003,239 km (0.087 R)
• M8: 5,292,623 km (0.042 R)
• M9: 6,608,636 km (0.069 R)
• M10: 8,019,044 km (0.102 R)
• M11: 8,675,929 km (0.095 R)
• M12: 9,452,192 km (0.09 R)
• M13: 10,229,802 km (0.083 R)
• M14: 11,863,710 km (0.067 R)
• M15: 15,349,490 km (0.059 R)
• M16: 16,241,542 km (0.072 R)
• M17: 17,230,982 km (0.094 R)
• M18: 18,991,300 km (0.103 R)
• M19: 19,880,360 km (0.079 R)
• M20: 20,511,813 km (0.067 R)
• M21: 20,940,411 km (0.114 R)
• M22: 23,404,736 km (0.077 R)
• M23: 25,314,353 km (0.116 R)
• M24: 26,643,979 km (0.085 R)
• M25: 28,019,532 km (0.072 R)
• M26: 31,759,927 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.8

Radius: 13

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.26 AU - 5.3 AU

Year: 6006 Days

Day: 7.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,171,421 km

• M1: 162,164 km (0.097 R)
• M2: 617,241 km (0.091 R)
• M3: 1,341,893 km (0.12 R)
• M4: 1,773,184 km (0.074 R)
• M5: 2,415,407 km (0.09 R)
• M6: 3,532,305 km (0.076 R)
• M7: 4,425,255 km (0.077 R)
• M8: 5,373,705 km (0.047 R)
• M9: 6,319,313 km (0.043 R)
• M10: 7,225,876 km (0.12 R)
• M11: 8,257,204 km (0.071 R)
• M12: 8,829,416 km (0.103 R)
• M13: 9,692,745 km (0.117 R)
• M14: 12,201,352 km (0.079 R)
• M15: 19,804,365 km (0.089 R)
• M16: 24,209,124 km (0.065 R)
• M17: 25,044,030 km (0.067 R)
• M18: 27,126,133 km (0.065 R)
• M19: 28,209,371 km (0.109 R)
• M20: 28,761,836 km (0.092 R)
• M21: 33,546,425 km (0.115 R)
• M22: 34,899,687 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.4

Radius: 14.7

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.23 AU - 4.91 AU

Year: 6626 Days

Day: 14.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,171,421 km

• M1: 215,271 km (0.1 R)
• M2: 2,098,409 km (0.054 R)
• M3: 3,130,485 km (0.07 R)
• M4: 4,751,976 km (0.116 R)
• M5: 5,663,327 km (0.037 R)
• M6: 7,332,091 km (0.114 R)
• M7: 7,894,728 km (0.071 R)
• M8: 9,241,408 km (0.108 R)
• M9: 11,269,208 km (0.099 R)
• M10: 16,487,481 km (0.037 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.9

Radius: 7.9

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.21 AU - 8.47 AU

Year: 16336 Days

Day: 20.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,171,421 km

• M1: 121,623 km (0.115 R)
• M2: 563,535 km (0.045 R)
• M3: 1,785,750 km (0.107 R)
• M4: 5,239,965 km (0.055 R)
• M5: 6,318,116 km (0.105 R)
• M6: 6,981,583 km (0.11 R)
• M7: 9,921,780 km (0.074 R)
• M8: 12,552,159 km (0.109 R)
• M9: 15,739,192 km (0.104 R)
• M10: 17,152,443 km (0.068 R)
• M11: 18,578,709 km (0.092 R)
• M12: 24,822,475 km (0.104 R)
• M13: 29,969,540 km (0.075 R)
• M14: 34,821,148 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.8

Radius: 3.6

Gravity: 67.5 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 10.27 AU - 10.35 AU

Year: 22453 Days

Day: 16.3 Hours

Environment

Temp: -244 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 89,171,421 km

• M1: 44,879 km (0.12 R)
• M2: 166,652 km (0.039 R)
• M3: 383,120 km (0.104 R)
• M4: 555,906 km (0.091 R)
• M5: 1,073,514 km (0.105 R)
• M6: 1,593,217 km (0.108 R)
• M7: 2,883,948 km (0.096 R)
• M8: 4,032,261 km (0.082 R)
• M9: 5,331,668 km (0.085 R)
• M10: 5,663,775 km (0.096 R)
• M11: 6,187,518 km (0.085 R)
• M12: 6,886,588 km (0.097 R)
• M13: 8,058,688 km (0.079 R)
• M14: 8,720,060 km (0.119 R)
• M15: 9,180,522 km (0.098 R)
• M16: 9,963,218 km (0.061 R)
• M17: 10,466,316 km (0.069 R)
• M18: 12,941,712 km (0.108 R)
• M19: 15,363,851 km (0.117 R)
• M20: 15,780,780 km (0.096 R)
• M21: 16,637,378 km (0.059 R)
• M22: 21,183,507 km (0.111 R)
• M23: 22,650,464 km (0.11 R)
• M24: 26,019,258 km (0.063 R)
• M25: 29,196,568 km (0.042 R)
• M26: 31,274,931 km (0.06 R)
• M27: 36,307,702 km (0.072 R)
• M28: 37,645,107 km (0.108 R)
• M29: 37,795,752 km (0.097 R)
• M30: 41,853,894 km (0.12 R)
• M31: 47,586,035 km (0.117 R)
• M32: 49,908,991 km (0.113 R)
• M33: 50,822,286 km (0.094 R)
• M34: 51,932,751 km (0.074 R)
• M35: 54,586,767 km (0.085 R)
• M36: 63,300,843 km (0.117 R)
• M37: 73,130,919 km (0.087 R)
• M38: 73,600,357 km (0.096 R)
• M39: 74,545,517 km (0.06 R)
• M40: 81,388,273 km (0.115 R)
• M41: 82,907,140 km (0.095 R)
• M42: 85,220,521 km (0.049 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 17,620 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit