🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.2

Radius: 14.9

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.76 AU - 0.84 AU

Year: 455 Days

Day: 13.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 67,353,503 km

• M1: 185,352 km (0.108 R)
• M2: 913,594 km (0.052 R)
• M3: 1,432,250 km (0.083 R)
• M4: 2,023,012 km (0.074 R)
• M5: 2,856,123 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.3

Radius: 8.2

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.01 AU - 2.13 AU

Year: 1894 Days

Day: 7.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,353,503 km

• M1: 102,026 km (0.096 R)
• M2: 378,183 km (0.085 R)
• M3: 705,204 km (0.071 R)
• M4: 997,668 km (0.091 R)
• M5: 1,499,419 km (0.07 R)
• M6: 1,973,645 km (0.086 R)
• M7: 2,432,162 km (0.086 R)
• M8: 2,862,406 km (0.104 R)
• M9: 3,311,947 km (0.099 R)
• M10: 3,943,549 km (0.11 R)
• M11: 4,557,649 km (0.114 R)
• M12: 5,213,037 km (0.114 R)
• M13: 5,531,082 km (0.089 R)
• M14: 6,612,525 km (0.107 R)
• M15: 7,113,080 km (0.111 R)
• M16: 7,665,694 km (0.12 R)
• M17: 8,077,537 km (0.085 R)
• M18: 8,975,872 km (0.042 R)
• M19: 10,264,209 km (0.094 R)
• M20: 10,562,657 km (0.057 R)
• M21: 11,352,085 km (0.099 R)
• M22: 11,996,852 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.3

Radius: 14.1

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.07 AU - 3.11 AU

Year: 3454 Days

Day: 12.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,353,503 km

• M1: 175,329 km (0.08 R)
• M2: 923,767 km (0.108 R)
• M3: 1,497,475 km (0.105 R)
• M4: 2,021,815 km (0.109 R)
• M5: 2,468,963 km (0.064 R)
• M6: 3,248,069 km (0.103 R)
• M7: 4,340,582 km (0.084 R)
• M8: 4,948,099 km (0.069 R)
• M9: 5,611,865 km (0.041 R)
• M10: 6,190,958 km (0.094 R)
• M11: 7,087,498 km (0.086 R)
• M12: 7,865,557 km (0.054 R)
• M13: 9,516,070 km (0.117 R)
• M14: 12,364,264 km (0.079 R)
• M15: 14,999,431 km (0.086 R)
• M16: 21,422,415 km (0.078 R)
• M17: 21,955,881 km (0.108 R)
• M18: 22,498,024 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.6

Radius: 11.9

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.72 AU - 4.08 AU

Year: 3986 Days

Day: 8.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,353,503 km

• M1: 162,463 km (0.096 R)
• M2: 601,533 km (0.053 R)
• M3: 1,491,491 km (0.063 R)
• M4: 2,931,221 km (0.085 R)
• M5: 3,939,959 km (0.119 R)
• M6: 4,852,955 km (0.087 R)
• M7: 7,399,410 km (0.069 R)
• M8: 7,950,828 km (0.118 R)
• M9: 11,130,680 km (0.108 R)
• M10: 11,575,883 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.2

Radius: 14.8

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.83 AU - 4.05 AU

Year: 4057 Days

Day: 10.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,353,503 km

• M1: 184,005 km (0.114 R)
• M2: 719,715 km (0.064 R)
• M3: 1,376,899 km (0.055 R)
• M4: 1,948,811 km (0.05 R)
• M5: 3,258,242 km (0.068 R)
• M6: 3,920,362 km (0.083 R)
• M7: 5,364,879 km (0.072 R)
• M8: 5,936,193 km (0.073 R)
• M9: 6,548,048 km (0.105 R)
• M10: 7,079,719 km (0.047 R)
• M11: 7,898,768 km (0.056 R)
• M12: 9,028,680 km (0.079 R)
• M13: 9,764,253 km (0.119 R)
• M14: 10,460,332 km (0.041 R)
• M15: 13,962,568 km (0.108 R)
• M16: 17,111,304 km (0.115 R)
• M17: 18,354,911 km (0.091 R)
• M18: 19,658,058 km (0.046 R)
• M19: 20,643,758 km (0.085 R)
• M20: 21,404,613 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.6

Radius: 3.6

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.54 AU - 11.38 AU

Year: 19986 Days

Day: 21 Hours

Environment

Temp: -235 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,353,503 km

• M1: 45,627 km (0.052 R)
• M2: 192,532 km (0.062 R)
• M3: 327,470 km (0.087 R)
• M4: 1,030,580 km (0.099 R)
• M5: 1,248,245 km (0.09 R)
• M6: 1,507,797 km (0.103 R)
• M7: 1,682,677 km (0.032 R)
• M8: 2,590,287 km (0.055 R)
• M9: 2,804,810 km (0.116 R)
• M10: 6,068,138 km (0.11 R)
• M11: 6,192,604 km (0.083 R)
• M12: 10,587,191 km (0.031 R)
• M13: 11,845,459 km (0.107 R)
• M14: 11,991,167 km (0.063 R)
• M15: 13,200,067 km (0.096 R)
• M16: 14,103,938 km (0.087 R)
• M17: 14,543,307 km (0.102 R)
• M18: 17,877,245 km (0.109 R)
• M19: 20,200,500 km (0.051 R)
• M20: 21,326,523 km (0.101 R)
• M21: 23,093,124 km (0.112 R)
• M22: 25,194,226 km (0.12 R)
• M23: 25,516,011 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387

Radius: 5.3

Gravity: 13.78 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.55 AU - 11.79 AU

Year: 22161 Days

Day: 21.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,353,503 km

• M1: 75,397 km (0.098 R)
• M2: 379,231 km (0.109 R)
• M3: 1,031,477 km (0.041 R)
• M4: 2,051,136 km (0.095 R)
• M5: 2,506,064 km (0.085 R)
• M6: 2,687,376 km (0.106 R)
• M7: 3,446,735 km (0.105 R)
• M8: 3,787,369 km (0.091 R)
• M9: 4,669,548 km (0.114 R)
• M10: 5,642,832 km (0.041 R)
• M11: 6,488,060 km (0.104 R)
• M12: 7,096,624 km (0.119 R)
• M13: 8,079,631 km (0.1 R)
• M14: 8,426,549 km (0.075 R)
• M15: 9,418,383 km (0.06 R)
• M16: 9,747,049 km (0.112 R)
• M17: 11,199,944 km (0.101 R)
• M18: 11,445,135 km (0.062 R)
• M19: 12,991,827 km (0.041 R)
• M20: 13,399,332 km (0.069 R)
• M21: 14,097,206 km (0.071 R)
• M22: 15,565,359 km (0.06 R)
• M23: 16,493,614 km (0.113 R)
• M24: 17,213,479 km (0.114 R)
• M25: 18,290,135 km (0.043 R)
• M26: 18,801,760 km (0.115 R)
• M27: 24,047,259 km (0.109 R)
• M28: 25,390,798 km (0.095 R)
• M29: 26,027,337 km (0.086 R)
• M30: 26,349,720 km (0.083 R)
• M31: 30,427,309 km (0.059 R)
• M32: 34,517,166 km (0.111 R)
• M33: 44,070,186 km (0.12 R)
• M34: 57,756,596 km (0.114 R)
• M35: 58,488,429 km (0.095 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 14,901 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit