🌌 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: 656.3

Radius: 14.3

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.52 AU - 0.54 AU

Year: 262 Days

Day: 14.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,896,543 km

• M1: 177,872 km (0.1 R)
• M2: 629,957 km (0.117 R)
• M3: 1,118,992 km (0.099 R)
• M4: 1,659,938 km (0.09 R)
• M5: 2,376,362 km (0.115 R)
• M6: 3,036,538 km (0.064 R)
• M7: 3,596,482 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.5

Radius: 9.1

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.02 AU - 1.16 AU

Year: 772 Days

Day: 9.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,896,543 km

• M1: 113,096 km (0.072 R)
• M2: 403,615 km (0.059 R)
• M3: 717,172 km (0.065 R)
• M4: 1,136,645 km (0.1 R)
• M5: 2,030,043 km (0.074 R)
• M6: 2,659,850 km (0.067 R)
• M7: 2,946,180 km (0.111 R)
• M8: 3,428,185 km (0.101 R)
• M9: 3,797,841 km (0.098 R)
• M10: 4,668,052 km (0.093 R)
• M11: 4,997,915 km (0.059 R)
• M12: 5,685,018 km (0.095 R)
• M13: 6,287,299 km (0.115 R)
• M14: 6,582,606 km (0.096 R)
• M15: 7,087,798 km (0.03 R)
• M16: 8,077,238 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.1

Radius: 9.9

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.11 AU - 1.29 AU

Year: 892 Days

Day: 12.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,896,543 km

• M1: 125,662 km (0.069 R)
• M2: 433,834 km (0.103 R)
• M3: 861,085 km (0.108 R)
• M4: 1,198,129 km (0.066 R)
• M5: 1,662,182 km (0.115 R)
• M6: 2,406,431 km (0.092 R)
• M7: 2,877,066 km (0.067 R)
• M8: 3,395,872 km (0.107 R)
• M9: 5,789,288 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.1

Radius: 9.9

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.16 AU - 1.46 AU

Year: 1017 Days

Day: 9.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,896,543 km

• M1: 123,119 km (0.115 R)
• M2: 475,422 km (0.12 R)
• M3: 995,873 km (0.068 R)
• M4: 1,411,606 km (0.101 R)
• M5: 2,177,696 km (0.068 R)
• M6: 2,534,786 km (0.118 R)
• M7: 4,655,635 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.7

Radius: 8.1

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.16 AU - 1.66 AU

Year: 1136 Days

Day: 9.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,896,543 km

• M1: 100,679 km (0.106 R)
• M2: 443,109 km (0.037 R)
• M3: 763,099 km (0.065 R)
• M4: 1,022,501 km (0.077 R)
• M5: 1,830,928 km (0.096 R)
• M6: 2,143,887 km (0.046 R)
• M7: 2,762,474 km (0.1 R)
• M8: 3,148,586 km (0.061 R)
• M9: 3,739,797 km (0.056 R)
• M10: 4,508,880 km (0.12 R)
• M11: 5,064,636 km (0.033 R)
• M12: 5,769,990 km (0.12 R)
• M13: 6,268,001 km (0.049 R)
• M14: 7,153,321 km (0.076 R)
• M15: 7,677,064 km (0.102 R)
• M16: 8,199,310 km (0.115 R)
• M17: 9,170,200 km (0.098 R)
• M18: 10,815,477 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.1

Radius: 13.8

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.72 AU - 1.9 AU

Year: 1652 Days

Day: 12.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,896,543 km

• M1: 180,415 km (0.094 R)
• M2: 1,122,582 km (0.113 R)
• M3: 1,599,052 km (0.042 R)
• M4: 2,073,726 km (0.106 R)
• M5: 2,865,697 km (0.093 R)
• M6: 3,922,307 km (0.117 R)
• M7: 4,660,273 km (0.073 R)
• M8: 6,192,305 km (0.072 R)
• M9: 7,864,659 km (0.074 R)
• M10: 10,331,379 km (0.08 R)
• M11: 10,787,802 km (0.099 R)
• M12: 11,221,037 km (0.112 R)
• M13: 13,523,348 km (0.063 R)
• M14: 14,457,437 km (0.062 R)

Asteroid Belt

Center: 2.24 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.7

Radius: 13.1

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.27 AU - 3.07 AU

Year: 2959 Days

Day: 7.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,896,543 km

• M1: 163,062 km (0.106 R)
• M2: 672,742 km (0.083 R)
• M3: 1,185,114 km (0.056 R)
• M4: 3,308,806 km (0.12 R)
• M5: 3,796,345 km (0.092 R)
• M6: 4,241,698 km (0.114 R)
• M7: 4,738,213 km (0.106 R)
• M8: 7,384,450 km (0.065 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617

Radius: 10.1

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.19 AU - 5.79 AU

Year: 7560 Days

Day: 6.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,896,543 km

• M1: 125,662 km (0.113 R)
• M2: 470,186 km (0.101 R)
• M3: 806,482 km (0.039 R)
• M4: 1,149,211 km (0.042 R)
• M5: 2,613,176 km (0.054 R)
• M6: 3,499,842 km (0.064 R)
• M7: 4,686,004 km (0.057 R)
• M8: 5,923,776 km (0.114 R)
• M9: 9,474,183 km (0.118 R)
• M10: 10,163,530 km (0.056 R)
• M11: 10,836,720 km (0.105 R)
• M12: 11,849,797 km (0.098 R)
• M13: 12,325,817 km (0.114 R)
• M14: 15,642,253 km (0.07 R)
• M15: 16,215,362 km (0.069 R)
• M16: 20,100,867 km (0.089 R)
• M17: 20,702,251 km (0.104 R)
• M18: 24,311,748 km (0.111 R)
• M19: 25,866,070 km (0.071 R)
• M20: 26,309,329 km (0.111 R)
• M21: 27,029,194 km (0.065 R)
• M22: 28,886,002 km (0.046 R)
• M23: 32,542,922 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.3

Radius: 5.8

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.13 AU - 11.69 AU

Year: 19578 Days

Day: 21.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 47,896,543 km

• M1: 72,106 km (0.053 R)
• M2: 337,343 km (0.034 R)
• M3: 534,214 km (0.073 R)
• M4: 792,869 km (0.093 R)
• M5: 1,337,704 km (0.054 R)
• M6: 1,935,348 km (0.1 R)
• M7: 2,248,157 km (0.025 R)
• M8: 2,573,981 km (0.06 R)
• M9: 3,155,917 km (0.101 R)
• M10: 3,441,050 km (0.051 R)
• M11: 4,035,851 km (0.071 R)
• M12: 4,727,143 km (0.08 R)
• M13: 5,133,152 km (0.075 R)
• M14: 5,494,431 km (0.109 R)
• M15: 6,953,010 km (0.036 R)
• M16: 8,203,798 km (0.101 R)
• M17: 8,606,515 km (0.038 R)
• M18: 9,307,082 km (0.112 R)
• M19: 10,095,463 km (0.089 R)
• M20: 10,505,810 km (0.104 R)
• M21: 10,980,783 km (0.08 R)
• M22: 12,259,695 km (0.054 R)
• M23: 15,109,684 km (0.068 R)
• M24: 18,146,521 km (0.057 R)
• M25: 26,056,957 km (0.119 R)
• M26: 27,024,107 km (0.053 R)
• M27: 30,597,402 km (0.119 R)
• M28: 33,447,092 km (0.096 R)
• M29: 36,708,475 km (0.079 R)
• M30: 37,434,025 km (0.043 R)
• M31: 40,048,397 km (0.065 R)
• M32: 45,776,500 km (0.115 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 17,495 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit