🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.45 AU - 0.57 AU

Year: 239 Days

Day: 31.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,493,962 km

• M1: 25,432 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.6

Radius: 11.4

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.66 AU - 0.8 AU

Year: 409 Days

Day: 7.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,493,962 km

• M1: 143,165 km (0.118 R)
• M2: 528,080 km (0.119 R)
• M3: 1,203,964 km (0.101 R)
• M4: 1,578,856 km (0.051 R)
• M5: 1,943,576 km (0.081 R)
• M6: 2,374,268 km (0.114 R)
• M7: 3,395,572 km (0.107 R)
• M8: 3,907,197 km (0.089 R)
• M9: 4,512,919 km (0.105 R)
• M10: 4,869,261 km (0.069 R)
• M11: 5,308,780 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.5

Radius: 11

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.28 AU - 1.34 AU

Year: 984 Days

Day: 11.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,493,962 km

• M1: 137,480 km (0.084 R)
• M2: 594,053 km (0.072 R)
• M3: 1,138,739 km (0.105 R)
• M4: 1,610,122 km (0.113 R)
• M5: 3,061,670 km (0.1 R)
• M6: 4,288,373 km (0.099 R)
• M7: 4,677,327 km (0.078 R)
• M8: 6,729,361 km (0.111 R)
• M9: 7,232,010 km (0.052 R)
• M10: 7,682,599 km (0.07 R)
• M11: 8,585,123 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.7

Radius: 13.7

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.32 AU - 2.02 AU

Year: 1416 Days

Day: 15 Hours

Environment

Temp: -175 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 57,493,962 km

• M1: 173,982 km (0.112 R)
• M2: 627,713 km (0.112 R)
• M3: 2,925,835 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.8

Radius: 10

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.51 AU - 2.77 AU

Year: 2814 Days

Day: 8.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,493,962 km

• M1: 125,662 km (0.106 R)
• M2: 1,722,021 km (0.107 R)
• M3: 2,343,750 km (0.078 R)
• M4: 3,048,057 km (0.116 R)
• M5: 5,642,233 km (0.108 R)
• M6: 6,463,825 km (0.118 R)
• M7: 7,502,184 km (0.113 R)
• M8: 7,988,227 km (0.099 R)
• M9: 9,474,632 km (0.112 R)
• M10: 10,145,428 km (0.039 R)
• M11: 11,137,412 km (0.094 R)
• M12: 11,694,664 km (0.106 R)
• M13: 12,466,739 km (0.084 R)
• M14: 14,155,100 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.4

Radius: 3.2

Gravity: 26.02 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.11 AU - 7.05 AU

Year: 9835 Days

Day: 23.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,493,962 km

• M1: 44,131 km (0.081 R)
• M2: 241,301 km (0.058 R)
• M3: 417,976 km (0.091 R)
• M4: 529,576 km (0.089 R)
• M5: 927,058 km (0.116 R)
• M6: 1,734,288 km (0.061 R)
• M7: 3,381,959 km (0.091 R)
• M8: 3,582,420 km (0.054 R)
• M9: 4,257,107 km (0.094 R)
• M10: 4,760,503 km (0.099 R)
• M11: 5,665,421 km (0.081 R)
• M12: 6,076,815 km (0.082 R)
• M13: 7,246,820 km (0.108 R)
• M14: 7,617,673 km (0.079 R)
• M15: 7,923,152 km (0.087 R)
• M16: 8,723,052 km (0.076 R)
• M17: 9,443,814 km (0.072 R)
• M18: 11,945,240 km (0.118 R)
• M19: 13,484,752 km (0.076 R)
• M20: 21,264,889 km (0.048 R)
• M21: 21,641,576 km (0.067 R)
• M22: 23,432,262 km (0.096 R)
• M23: 25,657,381 km (0.117 R)
• M24: 27,040,264 km (0.088 R)
• M25: 28,290,304 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.4

Radius: 7.8

Gravity: 11.59 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.43 AU - 7.71 AU

Year: 11047 Days

Day: 20.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,493,962 km

• M1: 97,089 km (0.101 R)
• M2: 393,143 km (0.037 R)
• M3: 775,665 km (0.056 R)
• M4: 1,025,493 km (0.119 R)
• M5: 1,435,990 km (0.101 R)
• M6: 1,952,402 km (0.057 R)
• M7: 2,691,116 km (0.096 R)
• M8: 4,088,510 km (0.118 R)
• M9: 4,960,366 km (0.114 R)
• M10: 5,878,598 km (0.059 R)
• M11: 6,321,258 km (0.096 R)
• M12: 6,628,532 km (0.11 R)
• M13: 7,273,149 km (0.117 R)
• M14: 7,525,521 km (0.085 R)
• M15: 10,170,710 km (0.067 R)
• M16: 11,082,659 km (0.091 R)
• M17: 11,587,103 km (0.105 R)
• M18: 13,631,657 km (0.108 R)
• M19: 14,940,489 km (0.073 R)
• M20: 17,429,498 km (0.076 R)
• M21: 21,274,313 km (0.092 R)
• M22: 23,211,755 km (0.115 R)
• M23: 24,882,015 km (0.118 R)
• M24: 25,843,930 km (0.074 R)
• M25: 26,334,012 km (0.084 R)
• M26: 32,708,228 km (0.092 R)
• M27: 40,170,020 km (0.119 R)
• M28: 40,432,116 km (0.109 R)
• M29: 40,695,558 km (0.09 R)
• M30: 41,492,465 km (0.117 R)
• M31: 46,927,805 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.7

Radius: 5.3

Gravity: 17.93 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.41 AU - 9.93 AU

Year: 15319 Days

Day: 15.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,493,962 km

• M1: 65,973 km (0.028 R)
• M2: 252,072 km (0.086 R)
• M3: 459,864 km (0.117 R)
• M4: 677,379 km (0.074 R)
• M5: 1,437,785 km (0.039 R)
• M6: 2,570,540 km (0.095 R)
• M7: 3,022,176 km (0.091 R)
• M8: 3,446,286 km (0.109 R)
• M9: 4,474,472 km (0.115 R)
• M10: 4,891,402 km (0.094 R)
• M11: 5,126,569 km (0.071 R)
• M12: 7,955,914 km (0.118 R)
• M13: 8,281,289 km (0.12 R)
• M14: 9,883,483 km (0.041 R)
• M15: 10,097,258 km (0.07 R)
• M16: 10,423,830 km (0.059 R)
• M17: 13,165,211 km (0.103 R)
• M18: 16,203,843 km (0.112 R)
• M19: 17,964,311 km (0.115 R)
• M20: 18,282,954 km (0.079 R)
• M21: 20,446,887 km (0.087 R)
• M22: 22,406,470 km (0.105 R)
• M23: 22,868,578 km (0.083 R)
• M24: 28,165,689 km (0.116 R)
• M25: 31,154,205 km (0.092 R)
• M26: 31,498,729 km (0.077 R)
• M27: 32,312,691 km (0.088 R)
• M28: 34,838,352 km (0.065 R)
• M29: 36,720,892 km (0.11 R)
• M30: 38,935,239 km (0.107 R)
• M31: 40,550,896 km (0.09 R)
• M32: 48,376,211 km (0.098 R)
• M33: 48,838,319 km (0.042 R)
• M34: 56,807,547 km (0.041 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 10,680 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit