🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.6

Radius: 8.5

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.61 AU - 0.87 AU

Year: 424 Days

Day: 10.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,381,145 km

• M1: 106,364 km (0.114 R)
• M2: 434,582 km (0.058 R)
• M3: 978,669 km (0.093 R)
• M4: 1,749,697 km (0.077 R)
• M5: 2,388,779 km (0.104 R)
• M6: 2,788,804 km (0.117 R)
• M7: 3,070,496 km (0.073 R)
• M8: 3,575,838 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.6

Radius: 14.4

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.77 AU - 0.79 AU

Year: 459 Days

Day: 14.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,381,145 km

• M1: 179,069 km (0.045 R)
• M2: 851,212 km (0.085 R)
• M3: 1,322,146 km (0.093 R)
• M4: 1,898,098 km (0.082 R)
• M5: 2,376,362 km (0.061 R)
• M6: 2,936,008 km (0.095 R)
• M7: 3,787,220 km (0.055 R)
• M8: 4,271,618 km (0.119 R)
• M9: 5,046,684 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.8

Radius: 10.6

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.83 AU - 1.25 AU

Year: 707 Days

Day: 6.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,381,145 km

• M1: 134,788 km (0.12 R)
• M2: 513,719 km (0.116 R)
• M3: 916,137 km (0.112 R)
• M4: 1,386,473 km (0.106 R)
• M5: 2,645,040 km (0.087 R)
• M6: 3,543,375 km (0.1 R)
• M7: 3,927,094 km (0.092 R)
• M8: 5,519,563 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.7

Radius: 9.8

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.99 AU - 1.43 AU

Year: 888 Days

Day: 13.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,381,145 km

• M1: 121,922 km (0.04 R)
• M2: 516,113 km (0.105 R)
• M3: 1,168,659 km (0.047 R)
• M4: 1,634,506 km (0.091 R)
• M5: 1,940,284 km (0.118 R)
• M6: 2,438,595 km (0.064 R)
• M7: 2,829,195 km (0.085 R)
• M8: 3,166,239 km (0.071 R)
• M9: 3,632,685 km (0.105 R)
• M10: 4,112,146 km (0.081 R)
• M11: 5,085,580 km (0.082 R)
• M12: 6,823,907 km (0.073 R)
• M13: 7,629,192 km (0.04 R)
• M14: 9,091,960 km (0.051 R)
• M15: 9,802,101 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576

Radius: 10.6

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.32 AU - 3.04 AU

Year: 2926 Days

Day: 11.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,381,145 km

• M1: 131,796 km (0.114 R)
• M2: 504,594 km (0.099 R)
• M3: 856,597 km (0.118 R)
• M4: 1,467,256 km (0.059 R)
• M5: 2,294,981 km (0.108 R)
• M6: 2,667,629 km (0.056 R)
• M7: 3,181,947 km (0.072 R)
• M8: 3,723,192 km (0.098 R)
• M9: 4,325,174 km (0.107 R)
• M10: 5,251,484 km (0.077 R)
• M11: 6,442,582 km (0.036 R)
• M12: 9,786,543 km (0.064 R)
• M13: 10,775,385 km (0.101 R)
• M14: 12,039,936 km (0.11 R)
• M15: 12,381,767 km (0.05 R)
• M16: 13,400,977 km (0.053 R)
• M17: 14,861,800 km (0.099 R)
• M18: 16,166,743 km (0.113 R)
• M19: 17,060,291 km (0.042 R)
• M20: 17,986,451 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.7

Radius: 12

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.23 AU - 6.03 AU

Year: 7748 Days

Day: 8 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,381,145 km

• M1: 149,448 km (0.089 R)
• M2: 600,336 km (0.116 R)
• M3: 994,676 km (0.097 R)
• M4: 3,023,822 km (0.109 R)
• M5: 3,423,398 km (0.066 R)
• M6: 4,523,989 km (0.048 R)
• M7: 5,747,251 km (0.104 R)
• M8: 8,020,690 km (0.104 R)
• M9: 10,535,729 km (0.096 R)
• M10: 11,783,076 km (0.04 R)
• M11: 13,477,571 km (0.046 R)
• M12: 14,569,187 km (0.092 R)
• M13: 16,248,722 km (0.071 R)
• M14: 16,654,133 km (0.082 R)
• M15: 17,414,688 km (0.109 R)
• M16: 21,167,052 km (0.097 R)
• M17: 21,895,444 km (0.113 R)
• M18: 22,892,513 km (0.038 R)
• M19: 24,006,718 km (0.06 R)
• M20: 28,728,476 km (0.108 R)
• M21: 32,839,575 km (0.083 R)
• M22: 34,035,460 km (0.09 R)
• M23: 35,485,961 km (0.056 R)
• M24: 36,745,127 km (0.08 R)
• M25: 38,989,992 km (0.093 R)
• M26: 42,590,215 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.3

Radius: 6.6

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.61 AU - 7.51 AU

Year: 9948 Days

Day: 22.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 37,381,145 km

• M1: 82,279 km (0.094 R)
• M2: 288,873 km (0.115 R)
• M3: 559,945 km (0.11 R)
• M4: 954,584 km (0.101 R)
• M5: 1,315,863 km (0.088 R)
• M6: 1,708,856 km (0.111 R)
• M7: 1,940,883 km (0.11 R)
• M8: 2,469,262 km (0.081 R)
• M9: 2,945,432 km (0.106 R)
• M10: 3,259,289 km (0.065 R)
• M11: 4,029,269 km (0.086 R)
• M12: 4,828,870 km (0.116 R)
• M13: 6,020,866 km (0.078 R)
• M14: 10,611,575 km (0.074 R)
• M15: 10,952,359 km (0.105 R)
• M16: 11,604,307 km (0.093 R)
• M17: 12,875,590 km (0.086 R)
• M18: 14,413,904 km (0.119 R)
• M19: 15,943,842 km (0.116 R)
• M20: 17,511,478 km (0.03 R)
• M21: 18,612,069 km (0.099 R)
• M22: 18,965,120 km (0.102 R)
• M23: 19,977,898 km (0.118 R)
• M24: 21,332,208 km (0.096 R)
• M25: 21,797,008 km (0.085 R)
• M26: 22,268,391 km (0.087 R)
• M27: 25,936,082 km (0.115 R)
• M28: 27,002,116 km (0.05 R)
• M29: 28,189,624 km (0.12 R)
• M30: 33,185,146 km (0.055 R)
• M31: 35,295,224 km (0.109 R)
• M32: 35,727,711 km (0.055 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 12,492 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit