🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.1

Radius: 14.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.68 AU - 0.88 AU

Year: 476 Days

Day: 13.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,699,913 km

• M1: 177,872 km (0.119 R)
• M2: 647,759 km (0.053 R)
• M3: 1,183,918 km (0.102 R)
• M4: 1,876,406 km (0.09 R)
• M5: 2,378,756 km (0.081 R)
• M6: 3,548,162 km (0.05 R)
• M7: 4,531,918 km (0.08 R)
• M8: 5,450,748 km (0.1 R)
• M9: 6,265,308 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.1

Radius: 10.7

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.32 AU - 1.34 AU

Year: 1059 Days

Day: 9.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,699,913 km

• M1: 133,142 km (0.088 R)
• M2: 528,679 km (0.084 R)
• M3: 963,560 km (0.047 R)
• M4: 1,453,044 km (0.118 R)
• M5: 2,065,049 km (0.101 R)
• M6: 2,398,503 km (0.053 R)
• M7: 2,829,644 km (0.091 R)
• M8: 3,257,344 km (0.093 R)
• M9: 4,860,435 km (0.088 R)
• M10: 5,228,146 km (0.099 R)
• M11: 5,835,065 km (0.115 R)
• M12: 6,664,735 km (0.072 R)
• M13: 7,426,487 km (0.114 R)
• M14: 8,016,202 km (0.097 R)
• M15: 8,505,088 km (0.092 R)
• M16: 9,289,429 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.9

Radius: 14.5

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.54 AU - 3.42 AU

Year: 3551 Days

Day: 12.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,699,913 km

• M1: 180,265 km (0.113 R)
• M2: 782,247 km (0.035 R)
• M3: 1,538,016 km (0.096 R)
• M4: 2,261,621 km (0.072 R)
• M5: 2,921,198 km (0.113 R)
• M6: 3,768,520 km (0.074 R)
• M7: 4,654,588 km (0.112 R)
• M8: 5,354,557 km (0.075 R)
• M9: 6,152,811 km (0.085 R)
• M10: 8,697,919 km (0.061 R)
• M11: 9,220,016 km (0.085 R)
• M12: 11,699,451 km (0.119 R)
• M13: 12,758,604 km (0.093 R)
• M14: 14,286,148 km (0.073 R)
• M15: 16,154,027 km (0.05 R)
• M16: 17,002,396 km (0.047 R)
• M17: 17,525,690 km (0.114 R)
• M18: 19,285,260 km (0.066 R)
• M19: 21,562,588 km (0.106 R)
• M20: 22,038,758 km (0.098 R)
• M21: 22,731,097 km (0.064 R)
• M22: 23,652,919 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.3

Radius: 12

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.61 AU - 4.01 AU

Year: 4157 Days

Day: 6.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,699,913 km

• M1: 153,637 km (0.097 R)
• M2: 606,320 km (0.057 R)
• M3: 1,148,463 km (0.042 R)
• M4: 1,527,993 km (0.096 R)
• M5: 1,993,392 km (0.099 R)
• M6: 2,477,640 km (0.031 R)
• M7: 3,473,962 km (0.111 R)
• M8: 4,558,397 km (0.107 R)
• M9: 5,694,892 km (0.111 R)
• M10: 6,769,304 km (0.084 R)
• M11: 8,698,518 km (0.103 R)
• M12: 9,655,795 km (0.115 R)
• M13: 11,137,412 km (0.11 R)
• M14: 12,043,077 km (0.11 R)
• M15: 13,090,711 km (0.086 R)
• M16: 13,854,558 km (0.034 R)
• M17: 15,418,903 km (0.113 R)
• M18: 18,244,208 km (0.095 R)
• M19: 19,563,362 km (0.108 R)
• M20: 20,120,914 km (0.11 R)
• M21: 21,725,650 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.2

Radius: 9.8

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.9 AU - 4.92 AU

Year: 7510 Days

Day: 12.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,699,913 km

• M1: 127,607 km (0.097 R)
• M2: 644,468 km (0.079 R)
• M3: 1,137,393 km (0.055 R)
• M4: 1,509,293 km (0.119 R)
• M5: 2,377,858 km (0.064 R)
• M6: 4,196,669 km (0.041 R)
• M7: 6,024,306 km (0.091 R)
• M8: 8,757,459 km (0.064 R)
• M9: 10,321,206 km (0.116 R)
• M10: 10,965,674 km (0.067 R)
• M11: 11,689,578 km (0.099 R)
• M12: 12,171,432 km (0.102 R)
• M13: 15,989,768 km (0.091 R)
• M14: 19,035,431 km (0.093 R)
• M15: 22,447,908 km (0.117 R)
• M16: 27,729,761 km (0.105 R)
• M17: 30,255,870 km (0.059 R)
• M18: 32,196,005 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.8

Radius: 6

Gravity: 24.86 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.78 AU - 9.76 AU

Year: 17927 Days

Day: 19.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 24,699,913 km

• M1: 75,248 km (0.07 R)
• M2: 319,990 km (0.051 R)
• M3: 942,915 km (0.085 R)
• M4: 1,716,486 km (0.084 R)
• M5: 2,160,343 km (0.104 R)
• M6: 2,466,270 km (0.085 R)
• M7: 4,656,982 km (0.054 R)
• M8: 5,018,560 km (0.09 R)
• M9: 6,004,709 km (0.081 R)
• M10: 7,303,368 km (0.117 R)
• M11: 9,387,416 km (0.034 R)
• M12: 9,672,998 km (0.101 R)
• M13: 10,082,747 km (0.057 R)
• M14: 11,445,733 km (0.11 R)
• M15: 11,837,829 km (0.117 R)
• M16: 14,007,597 km (0.105 R)
• M17: 15,147,084 km (0.115 R)
• M18: 15,540,227 km (0.083 R)
• M19: 16,594,293 km (0.054 R)
• M20: 17,781,951 km (0.11 R)
• M21: 21,982,210 km (0.088 R)
• M22: 24,044,417 km (0.08 R)
• M23: 24,687,389 km (0.1 R)
• M24: 25,784,390 km (0.111 R)
• M25: 26,799,262 km (0.12 R)
• M26: 29,270,020 km (0.048 R)
• M27: 32,795,144 km (0.08 R)
• M28: 35,755,686 km (0.107 R)
• M29: 37,729,780 km (0.083 R)
• M30: 45,861,172 km (0.079 R)
• M31: 47,683,573 km (0.116 R)
• M32: 48,527,604 km (0.072 R)
• M33: 49,038,930 km (0.078 R)
• M34: 57,905,147 km (0.058 R)
• M35: 59,641,829 km (0.081 R)
• M36: 60,228,402 km (0.071 R)
• M37: 60,621,545 km (0.112 R)
• M38: 64,237,475 km (0.06 R)
• M39: 64,647,822 km (0.112 R)
• M40: 65,889,634 km (0.119 R)
• M41: 69,278,624 km (0.031 R)
• M42: 74,351,039 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 24.3

Radius: 6.8

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 7.72 AU - 10.92 AU

Year: 19640 Days

Day: 22.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,699,913 km

• M1: 125,064 km (0.081 R)
• M2: 512,223 km (0.104 R)
• M3: 2,342,553 km (0.082 R)
• M4: 3,896,426 km (0.104 R)
• M5: 4,361,227 km (0.12 R)
• M6: 4,619,133 km (0.077 R)
• M7: 5,644,328 km (0.118 R)
• M8: 15,201,537 km (0.086 R)
• M9: 17,320,890 km (0.076 R)
• M10: 17,672,595 km (0.109 R)
• M11: 20,399,465 km (0.104 R)
• M12: 20,726,037 km (0.087 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 19,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit