🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.52 AU - 0.66 AU

Year: 159 Days

Day: 31.2 Hours

Environment

Temp: 216 °C

Axial Tilt: 3.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.19 AU - 1.59 AU

Year: 573 Days

Day: 47.3 Hours

Environment

Temp: 6 °C

Axial Tilt: 19.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 26,340,590 km

• M1: 277,803 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.6 AU - 2.06 AU

Year: 866 Days

Day: 45 Hours

Environment

Temp: -42 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.87 AU - 2.53 AU

Year: 1142 Days

Day: 41.2 Hours

Environment

Temp: -59 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.6 AU - 3.88 AU

Year: 2040 Days

Day: 24.6 Hours

Environment

Temp: -90 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.2

Radius: 9.3

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.02 AU - 9.52 AU

Year: 7577 Days

Day: 12.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 26,340,590 km

• M1: 214,972 km (0.119 R)
• M2: 294,708 km (0.054 R)
• M3: 396,434 km (0.105 R)
• M4: 477,816 km (0.107 R)
• M5: 612,454 km (0.104 R)
• M6: 1,022,501 km (0.12 R)
• M7: 1,116,299 km (0.118 R)
• M8: 1,176,438 km (0.106 R)
• M9: 1,312,721 km (0.088 R)
• M10: 1,428,360 km (0.103 R)
• M11: 1,534,126 km (0.086 R)
• M12: 1,669,961 km (0.055 R)
• M13: 1,809,985 km (0.09 R)
• M14: 1,895,854 km (0.09 R)
• M15: 1,997,880 km (0.025 R)
• M16: 2,253,243 km (0.085 R)
• M17: 2,424,233 km (0.09 R)
• M18: 2,912,222 km (0.071 R)
• M19: 3,236,999 km (0.039 R)
• M20: 3,430,279 km (0.053 R)
• M21: 3,791,708 km (0.116 R)
• M22: 3,995,759 km (0.119 R)
• M23: 4,203,401 km (0.069 R)
• M24: 4,376,037 km (0.064 R)
• M25: 4,609,858 km (0.063 R)
• M26: 4,887,811 km (0.07 R)
• M27: 5,171,150 km (0.04 R)
• M28: 5,460,023 km (0.096 R)
• M29: 5,606,479 km (0.077 R)
• M30: 5,989,001 km (0.092 R)
• M31: 6,161,637 km (0.116 R)
• M32: 6,314,227 km (0.118 R)
• M33: 6,512,145 km (0.114 R)
• M34: 6,734,447 km (0.078 R)
• M35: 6,801,617 km (0.069 R)
• M36: 7,027,360 km (0.112 R)
• M37: 7,186,682 km (0.048 R)
• M38: 8,359,978 km (0.107 R)
• M39: 8,625,963 km (0.071 R)
• M40: 8,894,790 km (0.09 R)
• M41: 9,566,485 km (0.103 R)
• M42: 9,794,023 km (0.109 R)
• M43: 10,617,410 km (0.118 R)
• M44: 11,302,718 km (0.089 R)
• M45: 11,975,160 km (0.085 R)
• M46: 12,220,500 km (0.097 R)
• M47: 12,330,006 km (0.048 R)
• M48: 12,632,942 km (0.097 R)
• M49: 13,302,392 km (0.112 R)
• M50: 13,783,649 km (0.108 R)
• M51: 14,155,549 km (0.103 R)
• M52: 14,328,185 km (0.115 R)
• M53: 15,084,851 km (0.075 R)
• M54: 15,202,435 km (0.086 R)
• M55: 15,379,259 km (0.04 R)
• M56: 15,705,383 km (0.076 R)
• M57: 15,854,382 km (0.116 R)
• M58: 16,941,061 km (0.118 R)
• M59: 17,308,623 km (0.081 R)
• M60: 17,431,593 km (0.07 R)
• M61: 17,864,828 km (0.075 R)
• M62: 17,926,911 km (0.111 R)
• M63: 18,678,641 km (0.087 R)
• M64: 18,899,746 km (0.091 R)
• M65: 18,994,890 km (0.087 R)
• M66: 19,504,570 km (0.082 R)
• M67: 19,889,785 km (0.076 R)
• M68: 20,018,738 km (0.105 R)
• M69: 20,765,531 km (0.093 R)
• M70: 21,356,592 km (0.084 R)
• M71: 21,455,476 km (0.093 R)
• M72: 21,554,660 km (0.112 R)
• M73: 21,786,686 km (0.068 R)
• M74: 22,353,662 km (0.081 R)
• M75: 22,420,682 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.9

Radius: 11.2

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.82 AU - 9.92 AU

Year: 10034 Days

Day: 10.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 26,340,590 km

• M1: 154,684 km (0.104 R)
• M2: 224,846 km (0.052 R)
• M3: 1,121,386 km (0.09 R)
• M4: 1,676,693 km (0.111 R)
• M5: 2,106,936 km (0.095 R)
• M6: 2,207,317 km (0.076 R)
• M7: 2,292,139 km (0.099 R)
• M8: 2,806,157 km (0.092 R)
• M9: 3,143,201 km (0.045 R)
• M10: 3,239,243 km (0.104 R)
• M11: 4,209,983 km (0.113 R)
• M12: 4,294,805 km (0.104 R)
• M13: 4,904,417 km (0.104 R)
• M14: 5,402,727 km (0.12 R)
• M15: 5,495,029 km (0.058 R)
• M16: 6,892,423 km (0.108 R)
• M17: 7,630,539 km (0.104 R)
• M18: 8,233,867 km (0.083 R)
• M19: 8,420,565 km (0.061 R)
• M20: 8,771,073 km (0.071 R)
• M21: 8,852,604 km (0.117 R)
• M22: 8,961,810 km (0.041 R)
• M23: 9,964,116 km (0.114 R)
• M24: 10,106,234 km (0.11 R)
• M25: 11,031,197 km (0.096 R)
• M26: 11,444,387 km (0.106 R)
• M27: 11,922,950 km (0.116 R)
• M28: 12,499,650 km (0.092 R)
• M29: 12,992,425 km (0.075 R)
• M30: 13,648,861 km (0.057 R)
• M31: 16,649,495 km (0.061 R)
• M32: 19,063,406 km (0.083 R)
• M33: 19,666,136 km (0.08 R)
• M34: 19,844,457 km (0.09 R)
• M35: 20,419,062 km (0.118 R)
• M36: 22,361,441 km (0.099 R)
• M37: 22,584,940 km (0.114 R)
• M38: 23,297,924 km (0.114 R)
• M39: 25,054,352 km (0.034 R)
• M40: 25,792,318 km (0.102 R)
• M41: 26,301,250 km (0.111 R)

Kuiper Belt

Range: 31.4 - 46.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 11,417 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit