🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.48 AU - 0.68 AU

Year: 285 Days

Day: 40.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.8

Radius: 14.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.86 AU - 1.06 AU

Year: 607 Days

Day: 5.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,743,338 km

• M1: 183,557 km (0.073 R)
• M2: 572,511 km (0.099 R)
• M3: 904,768 km (0.08 R)
• M4: 1,713,793 km (0.093 R)
• M5: 2,363,198 km (0.092 R)
• M6: 2,658,653 km (0.095 R)
• M7: 2,991,808 km (0.067 R)
• M8: 3,710,476 km (0.098 R)
• M9: 4,005,184 km (0.05 R)
• M10: 4,358,235 km (0.037 R)
• M11: 5,187,007 km (0.068 R)
• M12: 5,589,724 km (0.105 R)
• M13: 5,994,237 km (0.114 R)
• M14: 6,484,619 km (0.072 R)
• M15: 7,265,071 km (0.064 R)
• M16: 8,043,130 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.2

Radius: 14.9

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.03 AU - 1.21 AU

Year: 765 Days

Day: 6.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,743,338 km

• M1: 186,549 km (0.059 R)
• M2: 465,848 km (0.04 R)
• M3: 853,905 km (0.1 R)
• M4: 1,320,052 km (0.117 R)
• M5: 2,232,748 km (0.096 R)
• M6: 2,522,370 km (0.097 R)
• M7: 3,687,288 km (0.062 R)
• M8: 4,235,116 km (0.094 R)
• M9: 5,254,027 km (0.119 R)
• M10: 7,094,529 km (0.072 R)
• M11: 7,728,974 km (0.064 R)
• M12: 8,178,216 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.3

Radius: 13.4

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.22 AU - 1.76 AU

Year: 1174 Days

Day: 12.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,743,338 km

• M1: 167,101 km (0.075 R)
• M2: 445,502 km (0.102 R)
• M3: 747,391 km (0.115 R)
• M4: 1,138,739 km (0.119 R)
• M5: 1,435,392 km (0.117 R)
• M6: 1,720,824 km (0.104 R)
• M7: 2,090,630 km (0.117 R)
• M8: 2,459,090 km (0.09 R)
• M9: 3,049,403 km (0.097 R)
• M10: 3,582,869 km (0.119 R)
• M11: 4,215,070 km (0.114 R)
• M12: 5,301,749 km (0.087 R)
• M13: 5,750,393 km (0.102 R)
• M14: 6,400,096 km (0.078 R)
• M15: 7,085,554 km (0.118 R)
• M16: 7,677,961 km (0.074 R)
• M17: 8,935,780 km (0.092 R)
• M18: 9,215,079 km (0.11 R)
• M19: 9,498,866 km (0.085 R)
• M20: 10,016,325 km (0.077 R)
• M21: 10,612,473 km (0.052 R)
• M22: 11,337,574 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.6

Radius: 10

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.3 AU - 3.3 AU

Year: 3025 Days

Day: 6.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,743,338 km

• M1: 132,843 km (0.075 R)
• M2: 403,615 km (0.1 R)
• M3: 671,844 km (0.073 R)
• M4: 935,735 km (0.109 R)
• M5: 1,519,316 km (0.105 R)
• M6: 1,780,065 km (0.09 R)
• M7: 2,327,743 km (0.064 R)
• M8: 3,254,801 km (0.082 R)
• M9: 4,496,613 km (0.048 R)
• M10: 5,857,056 km (0.115 R)
• M11: 7,010,156 km (0.108 R)
• M12: 7,778,192 km (0.107 R)
• M13: 8,801,890 km (0.085 R)
• M14: 9,351,812 km (0.099 R)
• M15: 11,164,040 km (0.076 R)
• M16: 12,743,794 km (0.108 R)
• M17: 13,072,460 km (0.053 R)
• M18: 14,708,612 km (0.12 R)
• M19: 15,599,318 km (0.067 R)
• M20: 15,853,485 km (0.096 R)
• M21: 16,072,945 km (0.102 R)
• M22: 16,479,253 km (0.114 R)
• M23: 16,815,549 km (0.104 R)
• M24: 19,588,046 km (0.082 R)
• M25: 20,242,237 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.4

Radius: 3.5

Gravity: 44.69 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.58 AU - 6.92 AU

Year: 10089 Days

Day: 18.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 44,743,338 km

• M1: 92,152 km (0.101 R)
• M2: 188,793 km (0.08 R)
• M3: 490,531 km (0.109 R)
• M4: 687,253 km (0.116 R)
• M5: 919,578 km (0.115 R)
• M6: 1,623,436 km (0.12 R)
• M7: 1,691,354 km (0.054 R)
• M8: 1,867,430 km (0.116 R)
• M9: 2,109,779 km (0.099 R)
• M10: 2,512,047 km (0.077 R)
• M11: 2,639,804 km (0.043 R)
• M12: 2,859,713 km (0.085 R)
• M13: 2,927,331 km (0.056 R)
• M14: 3,751,167 km (0.117 R)
• M15: 4,039,741 km (0.106 R)
• M16: 4,620,779 km (0.104 R)
• M17: 4,823,185 km (0.068 R)
• M18: 6,842,307 km (0.118 R)
• M19: 7,088,546 km (0.078 R)
• M20: 7,853,589 km (0.046 R)
• M21: 9,543,147 km (0.103 R)
• M22: 12,981,654 km (0.119 R)
• M23: 13,565,236 km (0.098 R)
• M24: 14,770,995 km (0.071 R)
• M25: 16,458,907 km (0.101 R)
• M26: 17,226,195 km (0.044 R)
• M27: 19,692,166 km (0.06 R)
• M28: 20,712,723 km (0.088 R)
• M29: 23,864,002 km (0.087 R)
• M30: 25,120,175 km (0.097 R)
• M31: 27,448,517 km (0.098 R)
• M32: 27,658,851 km (0.09 R)
• M33: 29,370,999 km (0.058 R)
• M34: 29,880,230 km (0.11 R)
• M35: 30,541,153 km (0.12 R)
• M36: 32,873,234 km (0.074 R)
• M37: 33,103,466 km (0.044 R)
• M38: 33,411,787 km (0.081 R)
• M39: 36,815,737 km (0.059 R)
• M40: 37,795,304 km (0.084 R)
• M41: 38,704,410 km (0.103 R)
• M42: 39,792,734 km (0.066 R)
• M43: 40,046,153 km (0.079 R)
• M44: 42,362,078 km (0.073 R)
• M45: 43,060,849 km (0.087 R)
• M46: 43,148,663 km (0.092 R)
• M47: 43,412,404 km (0.07 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 11,915 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit