🌌 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: 291.6

Radius: 13

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.74 AU - 0.86 AU

Year: 494 Days

Day: 14 Hours

Environment

Temp: -161 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,302,801 km

• M1: 161,715 km (0.066 R)
• M2: 589,266 km (0.114 R)
• M3: 999,015 km (0.099 R)
• M4: 1,630,617 km (0.079 R)
• M5: 2,748,861 km (0.093 R)
• M6: 3,559,532 km (0.093 R)
• M7: 4,021,789 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.7

Radius: 14.8

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.17 AU - 1.57 AU

Year: 1107 Days

Day: 13.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,302,801 km

• M1: 184,454 km (0.103 R)
• M2: 690,693 km (0.082 R)
• M3: 1,332,767 km (0.078 R)
• M4: 2,049,192 km (0.056 R)
• M5: 2,571,139 km (0.102 R)
• M6: 3,073,937 km (0.095 R)
• M7: 3,696,713 km (0.098 R)
• M8: 4,357,337 km (0.036 R)
• M9: 5,805,145 km (0.077 R)
• M10: 7,247,718 km (0.094 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.1

Radius: 3.5

Gravity: 69.56 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 7.24 AU - 7.46 AU

Year: 13754 Days

Day: 15.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 66,302,801 km

• M1: 43,533 km (0.049 R)
• M2: 186,698 km (0.116 R)
• M3: 299,645 km (0.05 R)
• M4: 530,624 km (0.071 R)
• M5: 659,278 km (0.111 R)
• M6: 778,956 km (0.106 R)
• M7: 1,015,321 km (0.094 R)
• M8: 1,565,542 km (0.097 R)
• M9: 1,997,281 km (0.118 R)
• M10: 2,230,654 km (0.114 R)
• M11: 2,705,627 km (0.067 R)
• M12: 3,852,145 km (0.055 R)
• M13: 4,151,790 km (0.068 R)
• M14: 4,630,353 km (0.047 R)
• M15: 4,900,078 km (0.069 R)
• M16: 5,144,671 km (0.029 R)
• M17: 5,433,993 km (0.077 R)
• M18: 5,772,383 km (0.097 R)
• M19: 7,133,874 km (0.097 R)
• M20: 7,724,486 km (0.098 R)
• M21: 8,396,180 km (0.041 R)
• M22: 9,053,962 km (0.08 R)
• M23: 10,759,976 km (0.042 R)
• M24: 16,589,506 km (0.096 R)
• M25: 18,780,367 km (0.074 R)
• M26: 20,343,366 km (0.064 R)
• M27: 20,612,043 km (0.116 R)
• M28: 20,883,115 km (0.08 R)
• M29: 21,524,740 km (0.084 R)
• M30: 22,274,076 km (0.118 R)
• M31: 23,725,474 km (0.094 R)
• M32: 33,033,155 km (0.098 R)
• M33: 40,427,628 km (0.088 R)
• M34: 40,568,848 km (0.101 R)
• M35: 44,057,321 km (0.103 R)
• M36: 45,720,849 km (0.063 R)
• M37: 52,963,032 km (0.077 R)
• M38: 56,237,280 km (0.112 R)
• M39: 56,766,258 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.7

Radius: 6

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 7.5 AU - 7.6 AU

Year: 14320 Days

Day: 20.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,302,801 km

• M1: 79,137 km (0.091 R)
• M2: 344,823 km (0.069 R)
• M3: 557,102 km (0.081 R)
• M4: 1,307,635 km (0.094 R)
• M5: 1,715,738 km (0.079 R)
• M6: 2,042,161 km (0.084 R)
• M7: 2,251,149 km (0.06 R)
• M8: 3,176,112 km (0.101 R)
• M9: 3,712,570 km (0.038 R)
• M10: 4,048,567 km (0.045 R)
• M11: 4,380,226 km (0.101 R)
• M12: 5,570,127 km (0.104 R)
• M13: 8,997,564 km (0.096 R)
• M14: 10,410,665 km (0.109 R)
• M15: 10,763,417 km (0.108 R)
• M16: 11,078,620 km (0.101 R)
• M17: 11,353,730 km (0.107 R)
• M18: 11,586,505 km (0.089 R)
• M19: 13,101,034 km (0.102 R)
• M20: 19,405,686 km (0.109 R)
• M21: 21,460,563 km (0.107 R)
• M22: 23,280,271 km (0.083 R)
• M23: 26,401,631 km (0.113 R)
• M24: 26,810,482 km (0.1 R)
• M25: 28,062,167 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860

Radius: 6.1

Gravity: 23.11 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.95 AU - 9.29 AU

Year: 14519 Days

Day: 17.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,302,801 km

• M1: 81,531 km (0.107 R)
• M2: 424,708 km (0.087 R)
• M3: 671,844 km (0.107 R)
• M4: 1,213,239 km (0.098 R)
• M5: 1,691,054 km (0.107 R)
• M6: 1,936,544 km (0.059 R)
• M7: 2,412,864 km (0.064 R)
• M8: 2,633,222 km (0.081 R)
• M9: 3,596,333 km (0.099 R)
• M10: 4,707,396 km (0.048 R)
• M11: 5,378,193 km (0.105 R)
• M12: 6,522,168 km (0.11 R)
• M13: 8,655,882 km (0.065 R)
• M14: 9,550,029 km (0.061 R)
• M15: 9,879,892 km (0.055 R)
• M16: 10,217,235 km (0.073 R)
• M17: 11,034,339 km (0.091 R)
• M18: 11,458,898 km (0.115 R)
• M19: 12,020,638 km (0.075 R)
• M20: 12,340,628 km (0.074 R)
• M21: 12,930,791 km (0.055 R)
• M22: 16,322,324 km (0.099 R)
• M23: 16,714,720 km (0.098 R)
• M24: 18,516,476 km (0.107 R)
• M25: 18,771,690 km (0.048 R)
• M26: 21,362,426 km (0.12 R)
• M27: 22,404,525 km (0.112 R)
• M28: 22,889,222 km (0.118 R)
• M29: 23,579,467 km (0.093 R)
• M30: 25,105,215 km (0.111 R)
• M31: 33,226,884 km (0.096 R)
• M32: 37,398,720 km (0.078 R)
• M33: 54,907,505 km (0.079 R)
• M34: 57,036,731 km (0.091 R)
• M35: 60,146,273 km (0.106 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 11,284 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit