🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.47 AU - 0.61 AU

Year: 177 Days

Day: 38.3 Hours

Environment

Temp: 24 °C

Axial Tilt: 5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.77 AU - 0.81 AU

Year: 313 Days

Day: 36.4 Hours

Environment

Temp: -45 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,705,643 km

• M1: 519,404 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.68 AU - 1.06 AU

Year: 362 Days

Day: 47.1 Hours

Environment

Temp: -62 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.91 AU - 1.03 AU

Year: 426 Days

Day: 41.3 Hours

Environment

Temp: -63 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,705,643 km

• M1: 106,813 km (0.067 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.17 AU - 1.45 AU

Year: 669 Days

Day: 13.2 Hours

Environment

Temp: -85 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,705,643 km

• M1: 595,699 km (0.099 R)

Asteroid Belt

Center: 5.88 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.5

Radius: 5.5

Gravity: 26.86 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 10.15 AU - 10.75 AU

Year: 15074 Days

Day: 22.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 66,705,643 km

• M1: 74,350 km (0.095 R)
• M2: 316,100 km (0.098 R)
• M3: 397,482 km (0.085 R)
• M4: 486,193 km (0.065 R)
• M5: 813,364 km (0.036 R)
• M6: 904,618 km (0.12 R)
• M7: 1,072,318 km (0.104 R)
• M8: 1,409,810 km (0.055 R)
• M9: 1,604,587 km (0.089 R)
• M10: 1,661,883 km (0.11 R)
• M11: 1,778,419 km (0.116 R)
• M12: 2,943,039 km (0.099 R)
• M13: 3,084,409 km (0.062 R)
• M14: 3,824,170 km (0.098 R)
• M15: 4,095,541 km (0.076 R)
• M16: 4,213,873 km (0.044 R)
• M17: 4,494,070 km (0.116 R)
• M18: 5,587,181 km (0.109 R)
• M19: 6,208,312 km (0.045 R)
• M20: 6,851,134 km (0.107 R)
• M21: 8,649,150 km (0.094 R)
• M22: 8,902,868 km (0.075 R)
• M23: 9,730,743 km (0.117 R)
• M24: 10,691,161 km (0.078 R)
• M25: 11,292,844 km (0.099 R)
• M26: 11,458,898 km (0.057 R)
• M27: 12,931,240 km (0.077 R)
• M28: 14,103,638 km (0.096 R)
• M29: 14,163,178 km (0.115 R)
• M30: 14,944,528 km (0.112 R)
• M31: 15,187,625 km (0.112 R)
• M32: 16,173,475 km (0.116 R)
• M33: 16,423,303 km (0.062 R)
• M34: 16,485,835 km (0.057 R)
• M35: 16,863,270 km (0.108 R)
• M36: 18,466,212 km (0.049 R)
• M37: 18,923,682 km (0.117 R)
• M38: 19,451,014 km (0.114 R)
• M39: 20,184,194 km (0.12 R)
• M40: 21,130,101 km (0.063 R)
• M41: 21,198,317 km (0.08 R)
• M42: 21,403,117 km (0.049 R)
• M43: 21,745,846 km (0.082 R)
• M44: 22,159,633 km (0.115 R)
• M45: 22,436,988 km (0.068 R)
• M46: 22,715,389 km (0.114 R)
• M47: 23,840,515 km (0.117 R)
• M48: 24,124,751 km (0.074 R)
• M49: 24,839,978 km (0.115 R)
• M50: 25,272,466 km (0.116 R)
• M51: 25,344,722 km (0.106 R)
• M52: 28,293,445 km (0.098 R)
• M53: 29,123,265 km (0.032 R)
• M54: 29,579,239 km (0.093 R)
• M55: 29,884,568 km (0.091 R)
• M56: 31,582,205 km (0.061 R)
• M57: 32,285,614 km (0.059 R)
• M58: 34,266,739 km (0.033 R)
• M59: 36,449,970 km (0.064 R)
• M60: 36,695,310 km (0.047 R)
• M61: 36,777,290 km (0.061 R)
• M62: 36,859,270 km (0.115 R)
• M63: 37,270,066 km (0.105 R)
• M64: 37,682,208 km (0.086 R)
• M65: 38,013,118 km (0.054 R)
• M66: 40,018,777 km (0.099 R)
• M67: 40,187,523 km (0.046 R)
• M68: 40,779,781 km (0.089 R)
• M69: 43,264,003 km (0.111 R)
• M70: 45,620,619 km (0.102 R)
• M71: 45,973,221 km (0.1 R)
• M72: 46,238,308 km (0.106 R)
• M73: 47,482,215 km (0.08 R)
• M74: 50,184,251 km (0.091 R)
• M75: 51,279,009 km (0.086 R)
• M76: 51,553,969 km (0.049 R)
• M77: 52,658,450 km (0.076 R)
• M78: 53,306,359 km (0.09 R)
• M79: 53,584,910 km (0.104 R)
• M80: 54,610,104 km (0.056 R)
• M81: 56,301,757 km (0.105 R)
• M82: 58,010,614 km (0.041 R)
• M83: 59,351,310 km (0.116 R)
• M84: 59,929,057 km (0.078 R)
• M85: 61,187,175 km (0.036 R)
• M86: 61,868,294 km (0.098 R)
• M87: 62,943,603 km (0.116 R)
• M88: 63,434,434 km (0.049 R)
• M89: 63,532,720 km (0.112 R)
• M90: 66,206,482 km (0.086 R)
• M91: 66,605,759 km (0.08 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 12,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit