🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.64 AU - 0.76 AU

Year: 210 Days

Day: 19.8 Hours

Environment

Temp: 184 °C

Axial Tilt: 63.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 24,449,844 km

• M1: 39,943 km (0.08 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.87 AU - 0.95 AU

Year: 311 Days

Day: 42 Hours

Environment

Temp: 136 °C

Axial Tilt: 21.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.74 AU - 1.88 AU

Year: 872 Days

Day: 32.5 Hours

Environment

Temp: -55 °C

Axial Tilt: 47.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.6

Radius: 10.4

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.58 AU - 8.5 AU

Year: 8165 Days

Day: 6.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 24,449,844 km

• M1: 141,520 km (0.106 R)
• M2: 209,287 km (0.104 R)
• M3: 316,250 km (0.105 R)
• M4: 423,063 km (0.09 R)
• M5: 544,686 km (0.088 R)
• M6: 768,783 km (0.091 R)
• M7: 838,496 km (0.098 R)
• M8: 997,668 km (0.11 R)
• M9: 1,100,741 km (0.094 R)
• M10: 1,194,090 km (0.117 R)
• M11: 1,505,254 km (0.053 R)
• M12: 2,253,393 km (0.08 R)
• M13: 2,321,909 km (0.055 R)
• M14: 2,443,532 km (0.065 R)
• M15: 2,766,214 km (0.111 R)
• M16: 2,970,266 km (0.117 R)
• M17: 3,102,660 km (0.106 R)
• M18: 3,334,237 km (0.12 R)
• M19: 3,432,523 km (0.043 R)
• M20: 3,511,660 km (0.083 R)
• M21: 3,938,014 km (0.12 R)
• M22: 4,062,929 km (0.116 R)
• M23: 5,086,178 km (0.087 R)
• M24: 5,544,995 km (0.085 R)
• M25: 5,638,344 km (0.11 R)
• M26: 5,732,291 km (0.038 R)
• M27: 5,803,051 km (0.084 R)
• M28: 5,921,682 km (0.08 R)
• M29: 6,258,128 km (0.093 R)
• M30: 6,502,271 km (0.119 R)
• M31: 6,724,723 km (0.099 R)
• M32: 6,824,356 km (0.068 R)
• M33: 8,085,017 km (0.061 R)
• M34: 8,164,603 km (0.115 R)
• M35: 8,620,129 km (0.076 R)
• M36: 9,249,487 km (0.118 R)
• M37: 9,416,139 km (0.104 R)
• M38: 9,611,962 km (0.084 R)
• M39: 9,893,805 km (0.108 R)
• M40: 10,007,350 km (0.078 R)
• M41: 10,668,722 km (0.085 R)
• M42: 10,785,109 km (0.112 R)
• M43: 11,019,230 km (0.064 R)
• M44: 12,643,713 km (0.095 R)
• M45: 13,014,865 km (0.096 R)
• M46: 13,420,874 km (0.053 R)
• M47: 13,704,511 km (0.119 R)
• M48: 14,341,649 km (0.079 R)
• M49: 14,956,047 km (0.069 R)
• M50: 15,151,871 km (0.053 R)
• M51: 15,810,700 km (0.052 R)
• M52: 15,976,903 km (0.088 R)
• M53: 17,054,157 km (0.059 R)
• M54: 17,190,441 km (0.104 R)
• M55: 17,532,721 km (0.102 R)
• M56: 18,189,456 km (0.079 R)
• M57: 18,818,963 km (0.099 R)
• M58: 18,995,190 km (0.111 R)
• M59: 19,313,683 km (0.099 R)
• M60: 19,491,256 km (0.047 R)
• M61: 19,562,465 km (0.07 R)
• M62: 19,633,823 km (0.066 R)
• M63: 19,920,004 km (0.07 R)
• M64: 20,496,404 km (0.101 R)
• M65: 20,568,810 km (0.099 R)
• M66: 21,591,909 km (0.032 R)
• M67: 22,258,368 km (0.105 R)
• M68: 22,743,813 km (0.119 R)
• M69: 22,931,558 km (0.071 R)
• M70: 23,232,849 km (0.111 R)
• M71: 23,535,485 km (0.083 R)
• M72: 23,725,325 km (0.08 R)
• M73: 24,297,836 km (0.026 R)
• M74: 25,573,457 km (0.115 R)
• M75: 25,885,967 km (0.058 R)
• M76: 26,003,551 km (0.049 R)
• M77: 26,396,544 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.9

Radius: 12.2

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 9.98 AU - 14.66 AU

Year: 15488 Days

Day: 7.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 24,449,844 km

• M1: 1,451,847 km (0.114 R)
• M2: 1,549,236 km (0.051 R)
• M3: 2,325,050 km (0.059 R)
• M4: 2,902,199 km (0.085 R)
• M5: 3,579,578 km (0.065 R)
• M6: 4,064,724 km (0.054 R)
• M7: 4,284,932 km (0.03 R)
• M8: 4,926,407 km (0.104 R)
• M9: 7,098,868 km (0.046 R)
• M10: 7,462,091 km (0.073 R)
• M11: 8,206,939 km (0.107 R)
• M12: 8,409,495 km (0.103 R)
• M13: 9,500,512 km (0.104 R)
• M14: 11,331,740 km (0.074 R)
• M15: 12,099,925 km (0.111 R)
• M16: 13,536,962 km (0.093 R)
• M17: 13,897,044 km (0.096 R)
• M18: 14,169,312 km (0.083 R)
• M19: 14,872,871 km (0.028 R)
• M20: 15,996,949 km (0.075 R)
• M21: 16,345,961 km (0.096 R)
• M22: 17,440,269 km (0.076 R)
• M23: 20,347,106 km (0.102 R)
• M24: 20,484,287 km (0.05 R)
• M25: 20,967,039 km (0.068 R)
• M26: 21,140,274 km (0.103 R)
• M27: 21,244,543 km (0.066 R)
• M28: 21,558,250 km (0.117 R)
• M29: 23,221,180 km (0.097 R)
• M30: 23,364,644 km (0.04 R)
• M31: 23,760,630 km (0.094 R)
• M32: 24,013,749 km (0.112 R)

Kuiper Belt

Range: 30.6 - 52.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 10,989 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit