🌌 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: 822.9

Radius: 8.2

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.58 AU - 0.66 AU

Year: 331 Days

Day: 10.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,962,562 km

• M1: 102,026 km (0.09 R)
• M2: 449,392 km (0.088 R)
• M3: 818,151 km (0.108 R)
• M4: 1,329,925 km (0.082 R)
• M5: 1,839,007 km (0.1 R)
• M6: 2,345,844 km (0.05 R)
• M7: 3,058,528 km (0.111 R)
• M8: 3,379,117 km (0.107 R)
• M9: 3,685,344 km (0.116 R)
• M10: 4,100,926 km (0.09 R)
• M11: 4,760,803 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.8

Radius: 13.6

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.7 AU - 1 AU

Year: 532 Days

Day: 8.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,962,562 km

• M1: 169,195 km (0.105 R)
• M2: 658,530 km (0.105 R)
• M3: 1,106,725 km (0.053 R)
• M4: 1,555,070 km (0.08 R)
• M5: 2,051,884 km (0.112 R)
• M6: 2,575,776 km (0.05 R)
• M7: 3,155,019 km (0.078 R)
• M8: 3,654,975 km (0.1 R)
• M9: 4,577,844 km (0.098 R)
• M10: 5,063,439 km (0.082 R)
• M11: 5,873,811 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.1

Radius: 11.7

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.13 AU - 1.43 AU

Year: 982 Days

Day: 13 Hours

Environment

Temp: -179 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,962,562 km

• M1: 146,008 km (0.108 R)
• M2: 650,003 km (0.12 R)
• M3: 1,075,160 km (0.089 R)
• M4: 1,459,477 km (0.106 R)
• M5: 2,007,454 km (0.104 R)
• M6: 3,189,726 km (0.086 R)
• M7: 3,641,811 km (0.066 R)
• M8: 4,316,198 km (0.111 R)
• M9: 5,581,646 km (0.099 R)
• M10: 6,459,636 km (0.06 R)
• M11: 7,383,253 km (0.034 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.2

Radius: 5.1

Gravity: 27.54 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.36 AU - 6.72 AU

Year: 10068 Days

Day: 17.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,962,562 km

• M1: 71,508 km (0.105 R)
• M2: 299,046 km (0.109 R)
• M3: 1,078,451 km (0.062 R)
• M4: 1,632,861 km (0.088 R)
• M5: 2,085,095 km (0.115 R)
• M6: 3,003,327 km (0.115 R)
• M7: 3,451,971 km (0.114 R)
• M8: 3,628,048 km (0.032 R)
• M9: 4,136,531 km (0.12 R)
• M10: 4,630,652 km (0.042 R)
• M11: 5,327,330 km (0.109 R)
• M12: 7,621,413 km (0.087 R)
• M13: 8,543,235 km (0.108 R)
• M14: 11,250,957 km (0.117 R)
• M15: 18,894,510 km (0.116 R)
• M16: 24,865,709 km (0.073 R)
• M17: 31,433,355 km (0.057 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953.7

Radius: 7.7

Gravity: 16.09 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.35 AU - 8.03 AU

Year: 11736 Days

Day: 19.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,962,562 km

• M1: 95,892 km (0.065 R)
• M2: 339,288 km (0.062 R)
• M3: 711,787 km (0.108 R)
• M4: 1,013,675 km (0.108 R)
• M5: 1,359,396 km (0.056 R)
• M6: 1,717,234 km (0.095 R)
• M7: 2,099,307 km (0.045 R)
• M8: 2,474,050 km (0.094 R)
• M9: 3,058,828 km (0.089 R)
• M10: 3,759,993 km (0.101 R)
• M11: 4,532,217 km (0.087 R)
• M12: 5,091,713 km (0.094 R)
• M13: 5,958,782 km (0.092 R)
• M14: 6,308,093 km (0.116 R)
• M15: 8,169,689 km (0.034 R)
• M16: 10,425,625 km (0.096 R)
• M17: 10,876,364 km (0.069 R)
• M18: 11,339,967 km (0.109 R)
• M19: 12,060,132 km (0.039 R)
• M20: 15,536,188 km (0.096 R)
• M21: 16,273,556 km (0.097 R)
• M22: 18,138,592 km (0.064 R)
• M23: 19,969,221 km (0.062 R)
• M24: 21,196,373 km (0.096 R)
• M25: 21,828,424 km (0.109 R)
• M26: 24,482,888 km (0.091 R)
• M27: 25,178,668 km (0.099 R)
• M28: 30,082,785 km (0.058 R)
• M29: 35,714,397 km (0.096 R)
• M30: 37,257,350 km (0.078 R)
• M31: 42,293,562 km (0.035 R)
• M32: 45,493,460 km (0.119 R)
• M33: 47,152,351 km (0.118 R)
• M34: 48,228,708 km (0.067 R)
• M35: 49,478,897 km (0.097 R)
• M36: 52,370,475 km (0.047 R)
• M37: 57,960,797 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.7

Radius: 4.8

Gravity: 23.08 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.79 AU - 7.93 AU

Year: 13543 Days

Day: 22.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,962,562 km

• M1: 59,690 km (0.093 R)
• M2: 1,204,412 km (0.112 R)
• M3: 1,414,597 km (0.067 R)
• M4: 1,587,832 km (0.109 R)
• M5: 2,968,770 km (0.098 R)
• M6: 4,050,213 km (0.12 R)
• M7: 4,710,687 km (0.065 R)
• M8: 5,336,605 km (0.04 R)
• M9: 5,942,327 km (0.096 R)
• M10: 9,021,051 km (0.115 R)
• M11: 11,520,233 km (0.092 R)
• M12: 11,928,186 km (0.09 R)
• M13: 12,165,448 km (0.116 R)
• M14: 13,209,642 km (0.039 R)
• M15: 13,850,968 km (0.084 R)
• M16: 14,113,213 km (0.117 R)
• M17: 15,264,967 km (0.11 R)
• M18: 17,070,463 km (0.079 R)
• M19: 17,830,869 km (0.116 R)
• M20: 18,772,887 km (0.111 R)
• M21: 20,500,593 km (0.099 R)
• M22: 28,896,773 km (0.099 R)
• M23: 30,084,730 km (0.088 R)
• M24: 31,984,025 km (0.067 R)
• M25: 43,945,422 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817.2

Radius: 4.8

Gravity: 35.47 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 6.41 AU - 9.43 AU

Year: 15117 Days

Day: 19.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 58.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 66,962,562 km

• M1: 61,485 km (0.117 R)
• M2: 443,408 km (0.04 R)
• M3: 594,951 km (0.094 R)
• M4: 1,290,730 km (0.116 R)
• M5: 1,592,170 km (0.114 R)
• M6: 2,111,275 km (0.117 R)
• M7: 2,574,879 km (0.11 R)
• M8: 2,903,695 km (0.12 R)
• M9: 3,476,056 km (0.083 R)
• M10: 3,847,956 km (0.115 R)
• M11: 4,570,215 km (0.083 R)
• M12: 4,910,999 km (0.114 R)
• M13: 5,195,534 km (0.082 R)
• M14: 5,453,441 km (0.028 R)
• M15: 6,196,942 km (0.109 R)
• M16: 6,657,105 km (0.115 R)
• M17: 6,917,406 km (0.104 R)
• M18: 7,458,651 km (0.119 R)
• M19: 7,787,018 km (0.114 R)
• M20: 8,422,510 km (0.038 R)
• M21: 8,830,463 km (0.117 R)
• M22: 10,076,464 km (0.048 R)
• M23: 11,621,062 km (0.073 R)
• M24: 14,223,616 km (0.039 R)
• M25: 18,263,806 km (0.114 R)
• M26: 19,032,888 km (0.085 R)
• M27: 19,823,363 km (0.107 R)
• M28: 26,300,502 km (0.114 R)
• M29: 27,723,627 km (0.096 R)
• M30: 29,660,919 km (0.028 R)
• M31: 30,961,523 km (0.056 R)
• M32: 33,675,677 km (0.057 R)
• M33: 40,712,911 km (0.093 R)
• M34: 41,437,114 km (0.107 R)
• M35: 42,762,252 km (0.117 R)
• M36: 43,661,186 km (0.096 R)
• M37: 44,572,686 km (0.073 R)
• M38: 48,669,423 km (0.065 R)
• M39: 55,450,994 km (0.1 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 19,783 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit