🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.5

Radius: 8.7

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.41 AU - 0.65 AU

Year: 266 Days

Day: 12 Hours

Environment

Temp: -149 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,396,887 km

• M1: 108,159 km (0.073 R)
• M2: 446,400 km (0.089 R)
• M3: 719,566 km (0.082 R)
• M4: 1,064,688 km (0.102 R)
• M5: 1,412,952 km (0.09 R)
• M6: 1,745,658 km (0.084 R)
• M7: 2,328,192 km (0.106 R)
• M8: 2,886,491 km (0.105 R)
• M9: 3,217,252 km (0.106 R)
• M10: 3,723,042 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.7

Radius: 8.6

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.42 AU - 1.44 AU

Year: 1180 Days

Day: 13.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,396,887 km

• M1: 106,962 km (0.119 R)
• M2: 490,980 km (0.099 R)
• M3: 904,618 km (0.115 R)
• M4: 1,335,311 km (0.087 R)
• M5: 1,888,524 km (0.101 R)
• M6: 2,173,657 km (0.102 R)
• M7: 2,524,614 km (0.047 R)
• M8: 3,223,236 km (0.115 R)
• M9: 3,810,856 km (0.069 R)
• M10: 4,431,837 km (0.101 R)
• M11: 5,138,537 km (0.086 R)
• M12: 5,984,962 km (0.113 R)
• M13: 6,847,843 km (0.033 R)
• M14: 8,964,503 km (0.119 R)
• M15: 10,805,753 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.2

Radius: 12.3

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.61 AU - 1.63 AU

Year: 1423 Days

Day: 13.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 48,396,887 km

• M1: 153,039 km (0.089 R)
• M2: 557,701 km (0.106 R)
• M3: 2,270,746 km (0.088 R)
• M4: 3,554,595 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.4

Radius: 14.2

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.41 AU - 4.95 AU

Year: 5899 Days

Day: 5.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,396,887 km

• M1: 176,525 km (0.104 R)
• M2: 736,022 km (0.053 R)
• M3: 1,590,824 km (0.073 R)
• M4: 2,529,550 km (0.046 R)
• M5: 3,065,111 km (0.029 R)
• M6: 4,071,456 km (0.086 R)
• M7: 5,493,084 km (0.108 R)
• M8: 6,013,086 km (0.043 R)
• M9: 9,337,749 km (0.106 R)
• M10: 10,629,826 km (0.111 R)
• M11: 13,955,237 km (0.084 R)
• M12: 14,928,072 km (0.1 R)
• M13: 16,440,507 km (0.081 R)
• M14: 16,945,400 km (0.113 R)
• M15: 18,522,760 km (0.084 R)
• M16: 19,768,461 km (0.056 R)
• M17: 24,244,729 km (0.109 R)
• M18: 26,935,246 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432

Radius: 8

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.16 AU - 5.34 AU

Year: 8303 Days

Day: 9.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,396,887 km

• M1: 99,483 km (0.077 R)
• M2: 384,915 km (0.084 R)
• M3: 714,180 km (0.026 R)
• M4: 1,389,166 km (0.106 R)
• M5: 2,118,156 km (0.076 R)
• M6: 2,399,849 km (0.057 R)
• M7: 3,039,380 km (0.112 R)
• M8: 3,465,883 km (0.041 R)
• M9: 3,980,650 km (0.08 R)
• M10: 4,256,508 km (0.111 R)
• M11: 4,626,165 km (0.048 R)
• M12: 4,931,643 km (0.03 R)
• M13: 5,369,666 km (0.072 R)
• M14: 5,994,087 km (0.094 R)
• M15: 7,020,030 km (0.084 R)
• M16: 8,319,287 km (0.067 R)
• M17: 8,730,233 km (0.048 R)
• M18: 9,111,558 km (0.119 R)
• M19: 12,734,968 km (0.09 R)
• M20: 16,632,291 km (0.094 R)
• M21: 16,891,245 km (0.109 R)
• M22: 17,550,523 km (0.119 R)
• M23: 18,158,489 km (0.11 R)
• M24: 18,850,229 km (0.114 R)
• M25: 20,582,273 km (0.095 R)
• M26: 22,575,515 km (0.052 R)
• M27: 25,286,378 km (0.113 R)
• M28: 25,801,594 km (0.091 R)
• M29: 28,575,437 km (0.073 R)
• M30: 30,082,187 km (0.117 R)
• M31: 30,855,010 km (0.055 R)
• M32: 31,939,295 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.2

Radius: 7.4

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.23 AU - 7.03 AU

Year: 9221 Days

Day: 18.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,396,887 km

• M1: 92,003 km (0.107 R)
• M2: 341,532 km (0.074 R)
• M3: 611,406 km (0.049 R)
• M4: 891,903 km (0.107 R)
• M5: 1,445,265 km (0.11 R)
• M6: 1,829,283 km (0.115 R)
• M7: 2,445,476 km (0.103 R)
• M8: 2,719,839 km (0.081 R)
• M9: 3,545,619 km (0.084 R)
• M10: 4,414,184 km (0.067 R)
• M11: 5,417,388 km (0.037 R)
• M12: 5,681,877 km (0.041 R)
• M13: 6,272,938 km (0.074 R)
• M14: 6,904,091 km (0.117 R)
• M15: 8,960,912 km (0.064 R)
• M16: 10,970,461 km (0.104 R)
• M17: 11,341,164 km (0.106 R)
• M18: 14,425,872 km (0.114 R)
• M19: 16,330,253 km (0.073 R)
• M20: 22,441,925 km (0.092 R)
• M21: 30,645,872 km (0.12 R)
• M22: 31,700,686 km (0.035 R)
• M23: 37,458,559 km (0.117 R)
• M24: 42,955,233 km (0.107 R)
• M25: 43,348,526 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.5

Radius: 3.4

Gravity: 67.69 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.33 AU - 7.15 AU

Year: 9492 Days

Day: 24.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 48,396,887 km

• M1: 42,635 km (0.09 R)
• M2: 275,709 km (0.115 R)
• M3: 389,852 km (0.06 R)
• M4: 669,750 km (0.045 R)
• M5: 1,387,371 km (0.101 R)
• M6: 1,553,574 km (0.116 R)
• M7: 1,876,556 km (0.114 R)
• M8: 2,080,158 km (0.101 R)
• M9: 2,187,420 km (0.117 R)
• M10: 2,511,449 km (0.101 R)
• M11: 3,207,079 km (0.089 R)
• M12: 4,217,762 km (0.045 R)
• M13: 4,872,851 km (0.087 R)
• M14: 6,685,678 km (0.035 R)
• M15: 8,043,429 km (0.117 R)
• M16: 10,279,318 km (0.081 R)
• M17: 10,591,679 km (0.068 R)
• M18: 11,847,553 km (0.098 R)
• M19: 13,321,690 km (0.08 R)
• M20: 14,391,016 km (0.098 R)
• M21: 16,699,162 km (0.055 R)
• M22: 17,058,047 km (0.089 R)
• M23: 17,422,168 km (0.079 R)
• M24: 19,399,403 km (0.083 R)
• M25: 21,185,153 km (0.08 R)
• M26: 22,117,746 km (0.093 R)
• M27: 23,077,416 km (0.092 R)
• M28: 25,173,133 km (0.073 R)
• M29: 27,790,946 km (0.083 R)
• M30: 29,633,393 km (0.062 R)
• M31: 30,159,230 km (0.098 R)
• M32: 30,371,360 km (0.113 R)
• M33: 31,229,603 km (0.089 R)
• M34: 35,764,961 km (0.053 R)
• M35: 37,695,372 km (0.101 R)
• M36: 45,275,197 km (0.092 R)
• M37: 45,832,449 km (0.047 R)
• M38: 47,675,196 km (0.094 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 11,073 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit