🌌 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: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.8

Radius: 9.1

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.54 AU - 0.68 AU

Year: 329 Days

Day: 7.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,663,975 km

• M1: 113,395 km (0.118 R)
• M2: 407,654 km (0.082 R)
• M3: 697,874 km (0.113 R)
• M4: 1,051,224 km (0.104 R)
• M5: 1,789,789 km (0.079 R)
• M6: 2,190,262 km (0.082 R)
• M7: 2,576,674 km (0.108 R)
• M8: 2,928,079 km (0.051 R)
• M9: 3,398,714 km (0.032 R)
• M10: 3,693,123 km (0.088 R)
• M11: 4,078,936 km (0.1 R)
• M12: 4,491,526 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 1000

Radius: 13.6

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.8 AU - 1.18 AU

Year: 680 Days

Day: 9.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,663,975 km

• M1: 169,195 km (0.072 R)
• M2: 652,995 km (0.083 R)
• M3: 1,189,602 km (0.036 R)
• M4: 1,967,062 km (0.059 R)
• M5: 2,771,450 km (0.092 R)
• M6: 3,337,229 km (0.059 R)
• M7: 3,874,435 km (0.097 R)
• M8: 4,585,175 km (0.091 R)
• M9: 5,862,741 km (0.112 R)
• M10: 7,023,470 km (0.109 R)
• M11: 8,458,862 km (0.094 R)
• M12: 8,899,278 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.4

Radius: 14.7

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.05 AU - 1.39 AU

Year: 930 Days

Day: 12.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,663,975 km

• M1: 182,958 km (0.089 R)
• M2: 800,648 km (0.113 R)
• M3: 1,507,498 km (0.111 R)
• M4: 2,057,120 km (0.092 R)
• M5: 2,931,669 km (0.06 R)
• M6: 4,229,431 km (0.099 R)
• M7: 5,400,633 km (0.077 R)
• M8: 6,476,989 km (0.119 R)
• M9: 7,479,594 km (0.118 R)
• M10: 8,948,346 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226

Radius: 14.7

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.67 AU - 1.69 AU

Year: 1503 Days

Day: 5.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,663,975 km

• M1: 182,809 km (0.114 R)
• M2: 678,576 km (0.112 R)
• M3: 1,330,374 km (0.107 R)
• M4: 1,891,964 km (0.073 R)
• M5: 2,555,730 km (0.027 R)
• M6: 3,496,401 km (0.082 R)
• M7: 4,024,931 km (0.032 R)
• M8: 8,103,567 km (0.052 R)
• M9: 9,117,541 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.4

Radius: 14.5

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.02 AU - 6.26 AU

Year: 8044 Days

Day: 10.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,663,975 km

• M1: 181,911 km (0.112 R)
• M2: 645,664 km (0.12 R)
• M3: 1,287,140 km (0.075 R)
• M4: 2,017,178 km (0.116 R)
• M5: 2,790,748 km (0.047 R)
• M6: 4,730,883 km (0.034 R)
• M7: 5,672,901 km (0.111 R)
• M8: 6,206,217 km (0.112 R)
• M9: 8,342,924 km (0.041 R)
• M10: 8,858,438 km (0.108 R)
• M11: 10,386,580 km (0.068 R)
• M12: 14,504,710 km (0.065 R)
• M13: 15,062,710 km (0.115 R)
• M14: 15,894,026 km (0.102 R)
• M15: 16,487,331 km (0.106 R)
• M16: 17,509,084 km (0.037 R)
• M17: 18,000,214 km (0.074 R)
• M18: 19,083,452 km (0.072 R)
• M19: 20,517,647 km (0.034 R)
• M20: 27,824,157 km (0.069 R)
• M21: 30,264,846 km (0.057 R)
• M22: 33,271,165 km (0.065 R)
• M23: 38,087,468 km (0.057 R)

Asteroid Belt

Center: 7.01 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.6

Radius: 3.6

Gravity: 62.31 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 7.33 AU - 10.43 AU

Year: 18265 Days

Day: 20 Hours

Environment

Temp: -235 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 75,663,975 km

• M1: 51,611 km (0.073 R)
• M2: 256,710 km (0.049 R)
• M3: 378,333 km (0.113 R)
• M4: 555,307 km (0.114 R)
• M5: 1,986,061 km (0.076 R)
• M6: 2,385,936 km (0.111 R)
• M7: 2,762,325 km (0.056 R)
• M8: 3,286,964 km (0.047 R)
• M9: 3,456,608 km (0.06 R)
• M10: 4,427,648 km (0.11 R)
• M11: 4,920,723 km (0.03 R)
• M12: 5,410,506 km (0.097 R)
• M13: 5,973,593 km (0.096 R)
• M14: 7,357,373 km (0.093 R)
• M15: 7,746,327 km (0.101 R)
• M16: 11,175,709 km (0.101 R)
• M17: 11,366,596 km (0.092 R)
• M18: 12,285,875 km (0.114 R)
• M19: 14,122,787 km (0.062 R)
• M20: 20,336,185 km (0.051 R)
• M21: 20,907,649 km (0.06 R)
• M22: 21,588,020 km (0.057 R)
• M23: 25,871,157 km (0.099 R)
• M24: 26,429,306 km (0.116 R)
• M25: 27,454,201 km (0.103 R)
• M26: 29,948,147 km (0.075 R)
• M27: 30,563,443 km (0.092 R)
• M28: 31,692,159 km (0.077 R)
• M29: 34,702,068 km (0.096 R)
• M30: 39,492,342 km (0.118 R)
• M31: 43,282,853 km (0.096 R)
• M32: 46,484,397 km (0.073 R)
• M33: 47,143,076 km (0.079 R)
• M34: 49,840,176 km (0.099 R)
• M35: 50,703,655 km (0.061 R)
• M36: 60,869,578 km (0.098 R)
• M37: 66,322,570 km (0.093 R)
• M38: 67,157,027 km (0.053 R)
• M39: 67,998,665 km (0.073 R)
• M40: 73,863,649 km (0.21 R)
• M41: 74,760,190 km (0.1 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 17,181 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit