🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214

Radius: 10.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.41 AU - 0.63 AU

Year: 264 Days

Day: 13.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 63,873,835 km

• M1: 130,749 km (0.098 R)
• M2: 495,319 km (0.095 R)
• M3: 1,049,728 km (0.119 R)
• M4: 1,543,850 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.7

Radius: 12.1

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.53 AU - 0.73 AU

Year: 351 Days

Day: 12.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,873,835 km

• M1: 150,495 km (0.103 R)
• M2: 584,180 km (0.072 R)
• M3: 989,740 km (0.104 R)
• M4: 1,566,290 km (0.079 R)
• M5: 2,012,690 km (0.088 R)
• M6: 2,429,021 km (0.03 R)
• M7: 2,834,730 km (0.115 R)
• M8: 3,383,754 km (0.076 R)
• M9: 3,892,836 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.3

Radius: 14.3

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.66 AU - 0.88 AU

Year: 475 Days

Day: 14.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,873,835 km

• M1: 177,872 km (0.025 R)
• M2: 638,633 km (0.115 R)
• M3: 1,312,871 km (0.085 R)
• M4: 1,769,743 km (0.079 R)
• M5: 2,228,709 km (0.095 R)
• M6: 2,956,353 km (0.056 R)
• M7: 3,502,385 km (0.102 R)
• M8: 4,966,949 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.4

Radius: 12.5

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.7 AU - 0.9 AU

Year: 503 Days

Day: 11.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,873,835 km

• M1: 155,582 km (0.047 R)
• M2: 588,069 km (0.071 R)
• M3: 1,188,854 km (0.097 R)
• M4: 1,858,903 km (0.044 R)
• M5: 2,305,902 km (0.081 R)
• M6: 3,472,915 km (0.107 R)
• M7: 3,944,297 km (0.056 R)
• M8: 4,351,952 km (0.064 R)
• M9: 4,917,731 km (0.118 R)
• M10: 5,339,148 km (0.114 R)
• M11: 5,876,952 km (0.082 R)
• M12: 6,430,764 km (0.12 R)
• M13: 6,915,461 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420

Radius: 12.2

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.06 AU - 1.68 AU

Year: 1127 Days

Day: 8.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,873,835 km

• M1: 151,842 km (0.117 R)
• M2: 1,061,846 km (0.053 R)
• M3: 1,520,214 km (0.103 R)
• M4: 2,232,599 km (0.082 R)
• M5: 3,940,707 km (0.076 R)
• M6: 4,571,861 km (0.053 R)
• M7: 5,084,084 km (0.041 R)
• M8: 6,037,022 km (0.034 R)
• M9: 7,361,562 km (0.085 R)
• M10: 8,606,515 km (0.117 R)
• M11: 9,196,828 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.2

Radius: 11.8

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.34 AU - 2.24 AU

Year: 1683 Days

Day: 6.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,873,835 km

• M1: 146,905 km (0.112 R)
• M2: 524,341 km (0.099 R)
• M3: 898,186 km (0.069 R)
• M4: 1,592,469 km (0.09 R)
• M5: 2,014,335 km (0.072 R)
• M6: 3,027,562 km (0.104 R)
• M7: 4,353,448 km (0.11 R)
• M8: 5,080,792 km (0.093 R)
• M9: 6,858,015 km (0.105 R)
• M10: 8,385,858 km (0.087 R)
• M11: 9,411,950 km (0.11 R)
• M12: 10,094,715 km (0.035 R)
• M13: 12,064,171 km (0.062 R)
• M14: 12,462,699 km (0.104 R)
• M15: 12,870,054 km (0.118 R)
• M16: 13,286,236 km (0.098 R)
• M17: 13,754,477 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 243

Radius: 5.9

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.14 AU - 6.58 AU

Year: 11274 Days

Day: 15.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,873,835 km

• M1: 83,027 km (0.101 R)
• M2: 502,499 km (0.082 R)
• M3: 870,061 km (0.104 R)
• M4: 1,073,814 km (0.073 R)
• M5: 1,489,845 km (0.113 R)
• M6: 3,955,368 km (0.049 R)
• M7: 4,232,573 km (0.112 R)
• M8: 4,604,024 km (0.082 R)
• M9: 5,025,740 km (0.119 R)
• M10: 6,902,595 km (0.068 R)
• M11: 8,399,771 km (0.115 R)
• M12: 8,900,924 km (0.066 R)
• M13: 9,158,830 km (0.094 R)
• M14: 11,455,756 km (0.034 R)
• M15: 11,761,085 km (0.097 R)
• M16: 13,765,248 km (0.107 R)
• M17: 15,735,602 km (0.109 R)
• M18: 18,574,820 km (0.029 R)
• M19: 20,522,135 km (0.119 R)
• M20: 21,971,290 km (0.062 R)
• M21: 23,980,389 km (0.078 R)
• M22: 24,986,734 km (0.109 R)
• M23: 30,251,083 km (0.083 R)
• M24: 31,923,587 km (0.092 R)
• M25: 32,731,565 km (0.107 R)
• M26: 33,038,091 km (0.074 R)
• M27: 33,760,649 km (0.082 R)
• M28: 34,283,194 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.9

Radius: 6.6

Gravity: 15.33 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.84 AU - 8.94 AU

Year: 15578 Days

Day: 19.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,873,835 km

• M1: 82,279 km (0.102 R)
• M2: 288,873 km (0.104 R)
• M3: 808,726 km (0.101 R)
• M4: 1,574,368 km (0.111 R)
• M5: 2,172,460 km (0.054 R)
• M6: 2,523,566 km (0.108 R)
• M7: 4,543,287 km (0.079 R)
• M8: 5,153,946 km (0.065 R)
• M9: 6,051,533 km (0.112 R)
• M10: 7,913,428 km (0.112 R)
• M11: 8,248,976 km (0.084 R)
• M12: 9,365,724 km (0.095 R)
• M13: 10,295,325 km (0.044 R)
• M14: 10,928,723 km (0.078 R)
• M15: 11,772,006 km (0.101 R)
• M16: 13,451,841 km (0.102 R)
• M17: 19,527,160 km (0.069 R)
• M18: 21,404,763 km (0.086 R)
• M19: 21,682,566 km (0.113 R)
• M20: 22,339,899 km (0.087 R)
• M21: 24,091,241 km (0.035 R)
• M22: 26,994,188 km (0.112 R)
• M23: 27,427,124 km (0.078 R)
• M24: 29,318,789 km (0.098 R)
• M25: 37,891,645 km (0.09 R)
• M26: 39,396,599 km (0.066 R)
• M27: 42,089,211 km (0.058 R)
• M28: 43,406,271 km (0.117 R)
• M29: 50,243,492 km (0.098 R)
• M30: 56,697,443 km (0.039 R)
• M31: 59,755,523 km (0.066 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 12,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit