🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.42 AU - 0.62 AU

Year: 238 Days

Day: 40.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 44.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.8

Radius: 11.4

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.56 AU - 0.84 AU

Year: 372 Days

Day: 14.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 7,565,730 km

• M1: 144,811 km (0.038 R)
• M2: 216,019 km (0.091 R)
• M3: 318,045 km (0.036 R)
• M4: 401,670 km (0.049 R)
• M5: 517,908 km (0.061 R)
• M6: 594,801 km (0.092 R)
• M7: 758,611 km (0.068 R)
• M8: 921,972 km (0.105 R)
• M9: 1,066,633 km (0.109 R)
• M10: 1,169,107 km (0.092 R)
• M11: 1,265,748 km (0.095 R)
• M12: 1,346,082 km (0.105 R)
• M13: 1,428,211 km (0.03 R)
• M14: 1,711,250 km (0.118 R)
• M15: 1,838,109 km (0.117 R)
• M16: 1,979,329 km (0.053 R)
• M17: 2,101,700 km (0.105 R)
• M18: 2,203,726 km (0.108 R)
• M19: 2,290,044 km (0.075 R)
• M20: 2,371,725 km (0.039 R)
• M21: 2,520,126 km (0.06 R)
• M22: 2,616,616 km (0.048 R)
• M23: 2,733,003 km (0.093 R)
• M24: 2,826,053 km (0.086 R)
• M25: 2,920,300 km (0.071 R)
• M26: 3,028,310 km (0.051 R)
• M27: 3,111,785 km (0.083 R)
• M28: 3,215,756 km (0.061 R)
• M29: 3,548,013 km (0.053 R)
• M30: 3,732,018 km (0.106 R)
• M31: 3,856,633 km (0.1 R)
• M32: 3,947,439 km (0.109 R)
• M33: 4,046,024 km (0.116 R)
• M34: 4,217,014 km (0.105 R)
• M35: 4,325,024 km (0.104 R)
• M36: 4,397,579 km (0.117 R)
• M37: 4,529,375 km (0.106 R)
• M38: 4,736,867 km (0.072 R)
• M39: 4,879,434 km (0.116 R)
• M40: 5,015,867 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.6

Radius: 9.1

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.93 AU - 2.01 AU

Year: 1758 Days

Day: 6.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 7,565,730 km

• M1: 113,694 km (0.074 R)
• M2: 268,229 km (0.105 R)
• M3: 388,356 km (0.117 R)
• M4: 447,896 km (0.09 R)
• M5: 518,506 km (0.036 R)
• M6: 620,532 km (0.106 R)
• M7: 751,131 km (0.082 R)
• M8: 851,062 km (0.097 R)
• M9: 946,356 km (0.064 R)
• M10: 1,026,241 km (0.064 R)
• M11: 1,264,551 km (0.038 R)
• M12: 1,327,083 km (0.095 R)
• M13: 1,471,445 km (0.11 R)
• M14: 1,621,192 km (0.076 R)
• M15: 1,723,816 km (0.077 R)
• M16: 1,799,363 km (0.055 R)
• M17: 2,038,869 km (0.061 R)
• M18: 2,131,321 km (0.058 R)
• M19: 2,391,472 km (0.056 R)
• M20: 2,655,213 km (0.068 R)
• M21: 2,763,372 km (0.104 R)
• M22: 2,998,241 km (0.07 R)
• M23: 3,118,068 km (0.079 R)
• M24: 3,733,664 km (0.112 R)
• M25: 3,839,878 km (0.028 R)
• M26: 4,133,389 km (0.101 R)
• M27: 4,267,130 km (0.09 R)
• M28: 4,482,401 km (0.065 R)
• M29: 4,587,419 km (0.107 R)
• M30: 4,808,076 km (0.075 R)
• M31: 4,865,820 km (0.11 R)
• M32: 5,057,306 km (0.089 R)
• M33: 5,268,239 km (0.053 R)
• M34: 5,327,779 km (0.112 R)
• M35: 5,551,128 km (0.116 R)
• M36: 5,611,865 km (0.114 R)
• M37: 5,707,608 km (0.087 R)
• M38: 5,971,648 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.9

Radius: 9

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.78 AU - 2.66 AU

Year: 2103 Days

Day: 9 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 7,565,730 km

• M1: 116,238 km (0.086 R)
• M2: 202,855 km (0.068 R)
• M3: 340,634 km (0.025 R)
• M4: 437,424 km (0.073 R)
• M5: 527,781 km (0.093 R)
• M6: 870,660 km (0.086 R)
• M7: 939,475 km (0.11 R)
• M8: 1,228,199 km (0.107 R)
• M9: 1,324,540 km (0.107 R)
• M10: 1,392,307 km (0.031 R)
• M11: 1,480,271 km (0.118 R)
• M12: 2,068,789 km (0.067 R)
• M13: 2,475,396 km (0.11 R)
• M14: 2,660,748 km (0.086 R)
• M15: 2,747,215 km (0.065 R)
• M16: 2,874,673 km (0.057 R)
• M17: 2,979,840 km (0.063 R)
• M18: 3,036,986 km (0.056 R)
• M19: 3,218,897 km (0.051 R)
• M20: 3,412,926 km (0.055 R)
• M21: 3,689,383 km (0.076 R)
• M22: 3,892,537 km (0.036 R)
• M23: 4,099,430 km (0.025 R)
• M24: 4,310,064 km (0.032 R)
• M25: 4,599,536 km (0.037 R)
• M26: 4,827,972 km (0.108 R)
• M27: 4,885,717 km (0.113 R)
• M28: 5,207,203 km (0.102 R)
• M29: 5,286,190 km (0.112 R)
• M30: 5,596,157 km (0.099 R)
• M31: 5,738,126 km (0.076 R)
• M32: 5,809,484 km (0.09 R)
• M33: 5,891,463 km (0.071 R)
• M34: 6,004,859 km (0.096 R)
• M35: 6,212,800 km (0.086 R)
• M36: 6,275,631 km (0.119 R)
• M37: 6,423,134 km (0.115 R)
• M38: 6,743,124 km (0.051 R)
• M39: 7,210,767 km (0.065 R)
• M40: 7,321,170 km (0.064 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: 228 - 11,846 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit