🌌 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 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.41 AU - 0.63 AU

Year: 161 Days

Day: 38.8 Hours

Environment

Temp: 146 °C

Axial Tilt: 16.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,423,118 km

• M1: 212,728 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.5 AU - 0.58 AU

Year: 171 Days

Day: 24.9 Hours

Environment

Temp: 44 °C

Axial Tilt: 6.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 60,423,118 km

• M1: 114,293 km (0.112 R)
• M2: 275,709 km (0.103 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.67 AU - 0.95 AU

Year: 314 Days

Day: 34.5 Hours

Environment

Temp: -25 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,423,118 km

• M1: 193,580 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.81 AU - 0.83 AU

Year: 320 Days

Day: 42.5 Hours

Environment

Temp: -27 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.68 AU - 1.12 AU

Year: 368 Days

Day: 28.3 Hours

Environment

Temp: -46 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.14 AU - 1.34 AU

Year: 594 Days

Day: 14.7 Hours

Environment

Temp: -71 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 60,423,118 km

• M1: 366,365 km (0.065 R)
• M2: 1,320,052 km (0.114 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.04 AU - 1.46 AU

Year: 602 Days

Day: 43.7 Hours

Environment

Temp: -85 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,423,118 km

• M1: 568,173 km (0.05 R)

Planet 8 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.08 AU - 1.68 AU

Year: 698 Days

Day: 17.1 Hours

Environment

Temp: -83 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,423,118 km

• M1: 64,177 km (0.114 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.3

Radius: 14.1

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.48 AU - 6.26 AU

Year: 5357 Days

Day: 11.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 60,423,118 km

• M1: 190,139 km (0.045 R)
• M2: 348,862 km (0.1 R)
• M3: 520,152 km (0.065 R)
• M4: 666,159 km (0.113 R)
• M5: 764,146 km (0.057 R)
• M6: 1,019,509 km (0.066 R)
• M7: 1,226,403 km (0.053 R)
• M8: 1,319,453 km (0.107 R)
• M9: 1,614,311 km (0.049 R)
• M10: 1,876,705 km (0.092 R)
• M11: 1,967,212 km (0.077 R)
• M12: 2,306,350 km (0.113 R)
• M13: 2,443,382 km (0.047 R)
• M14: 3,147,988 km (0.077 R)
• M15: 3,591,246 km (0.046 R)
• M16: 3,728,129 km (0.103 R)
• M17: 4,030,915 km (0.101 R)
• M18: 4,221,353 km (0.098 R)
• M19: 4,685,555 km (0.11 R)
• M20: 4,961,862 km (0.116 R)
• M21: 5,063,738 km (0.107 R)
• M22: 5,295,465 km (0.066 R)
• M23: 5,689,506 km (0.101 R)
• M24: 6,038,967 km (0.105 R)
• M25: 6,312,432 km (0.078 R)
• M26: 6,618,060 km (0.102 R)
• M27: 7,157,660 km (0.055 R)
• M28: 7,418,110 km (0.113 R)
• M29: 7,681,851 km (0.113 R)
• M30: 7,800,033 km (0.049 R)
• M31: 7,948,733 km (0.071 R)
• M32: 8,068,262 km (0.115 R)
• M33: 8,370,001 km (0.108 R)
• M34: 8,798,449 km (0.118 R)
• M35: 9,454,885 km (0.09 R)
• M36: 10,094,715 km (0.075 R)
• M37: 10,289,342 km (0.04 R)
• M38: 10,518,077 km (0.118 R)
• M39: 11,147,435 km (0.104 R)
• M40: 11,247,965 km (0.054 R)
• M41: 11,619,117 km (0.117 R)
• M42: 11,994,308 km (0.108 R)
• M43: 12,235,161 km (0.118 R)
• M44: 12,756,659 km (0.106 R)
• M45: 12,967,293 km (0.093 R)
• M46: 13,073,059 km (0.075 R)
• M47: 13,534,718 km (0.104 R)
• M48: 13,677,883 km (0.076 R)
• M49: 14,037,965 km (0.071 R)
• M50: 14,767,554 km (0.103 R)
• M51: 14,914,908 km (0.06 R)
• M52: 15,136,911 km (0.1 R)
• M53: 17,455,828 km (0.108 R)
• M54: 19,115,915 km (0.112 R)
• M55: 20,168,785 km (0.11 R)
• M56: 20,619,972 km (0.095 R)
• M57: 21,198,916 km (0.104 R)
• M58: 21,365,269 km (0.075 R)
• M59: 21,741,358 km (0.097 R)
• M60: 21,993,281 km (0.088 R)
• M61: 23,654,266 km (0.077 R)
• M62: 24,347,353 km (0.107 R)
• M63: 25,487,737 km (0.102 R)
• M64: 25,753,423 km (0.079 R)
• M65: 26,556,016 km (0.079 R)
• M66: 27,185,823 km (0.085 R)
• M67: 27,457,343 km (0.111 R)
• M68: 28,322,916 km (0.07 R)
• M69: 28,782,032 km (0.101 R)
• M70: 29,197,465 km (0.1 R)
• M71: 29,382,667 km (0.117 R)
• M72: 30,314,812 km (0.1 R)
• M73: 30,455,434 km (0.079 R)
• M74: 30,596,355 km (0.118 R)
• M75: 30,973,042 km (0.066 R)
• M76: 31,588,488 km (0.038 R)
• M77: 31,921,642 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 514.6

Radius: 6.6

Gravity: 11.81 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 9.62 AU - 12.96 AU

Year: 16329 Days

Day: 17.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 60,423,118 km

• M1: 83,924 km (0.079 R)
• M2: 881,730 km (0.119 R)
• M3: 924,964 km (0.033 R)
• M4: 1,152,053 km (0.119 R)
• M5: 1,199,625 km (0.085 R)
• M6: 1,738,477 km (0.1 R)
• M7: 2,194,002 km (0.12 R)
• M8: 2,435,304 km (0.045 R)
• M9: 2,496,938 km (0.12 R)
• M10: 2,559,171 km (0.038 R)
• M11: 2,813,038 km (0.038 R)
• M12: 2,877,814 km (0.09 R)
• M13: 3,008,862 km (0.116 R)
• M14: 3,517,644 km (0.036 R)
• M15: 3,728,727 km (0.12 R)
• M16: 3,871,742 km (0.089 R)
• M17: 4,311,560 km (0.098 R)
• M18: 5,238,169 km (0.104 R)
• M19: 5,519,713 km (0.11 R)
• M20: 6,436,448 km (0.091 R)
• M21: 6,694,654 km (0.027 R)
• M22: 6,868,637 km (0.105 R)
• M23: 7,221,089 km (0.075 R)
• M24: 7,265,520 km (0.106 R)
• M25: 7,897,870 km (0.118 R)
• M26: 7,943,647 km (0.082 R)
• M27: 8,641,970 km (0.108 R)
• M28: 9,022,397 km (0.072 R)
• M29: 9,652,055 km (0.113 R)
• M30: 10,296,073 km (0.097 R)
• M31: 11,056,180 km (0.118 R)
• M32: 11,677,311 km (0.094 R)
• M33: 11,729,520 km (0.101 R)
• M34: 12,044,873 km (0.113 R)
• M35: 12,150,489 km (0.085 R)
• M36: 12,469,581 km (0.119 R)
• M37: 13,115,694 km (0.108 R)
• M38: 13,717,676 km (0.087 R)
• M39: 15,519,283 km (0.11 R)
• M40: 15,865,303 km (0.082 R)
• M41: 16,039,285 km (0.05 R)
• M42: 16,330,702 km (0.094 R)
• M43: 16,565,122 km (0.11 R)
• M44: 17,155,884 km (0.11 R)
• M45: 17,334,354 km (0.099 R)
• M46: 17,633,400 km (0.108 R)
• M47: 18,662,634 km (0.094 R)
• M48: 22,188,506 km (0.066 R)
• M49: 23,101,352 km (0.035 R)
• M50: 24,359,769 km (0.102 R)
• M51: 25,301,189 km (0.06 R)
• M52: 26,597,903 km (0.078 R)
• M53: 26,735,683 km (0.094 R)
• M54: 27,776,285 km (0.113 R)
• M55: 29,968,493 km (0.051 R)
• M56: 31,776,533 km (0.071 R)
• M57: 31,849,686 km (0.083 R)
• M58: 32,142,449 km (0.111 R)
• M59: 32,730,668 km (0.057 R)
• M60: 33,174,225 km (0.107 R)
• M61: 33,471,028 km (0.113 R)
• M62: 34,666,913 km (0.087 R)
• M63: 34,817,408 km (0.084 R)
• M64: 35,800,865 km (0.113 R)
• M65: 36,793,297 km (0.066 R)
• M66: 38,727,298 km (0.047 R)
• M67: 38,883,479 km (0.109 R)
• M68: 39,118,048 km (0.043 R)
• M69: 39,745,910 km (0.057 R)
• M70: 40,298,076 km (0.054 R)
• M71: 42,451,537 km (0.083 R)
• M72: 43,258,618 km (0.099 R)
• M73: 43,582,796 km (0.115 R)
• M74: 44,233,697 km (0.117 R)
• M75: 45,462,793 km (0.064 R)
• M76: 45,874,935 km (0.107 R)
• M77: 45,957,513 km (0.118 R)
• M78: 46,537,055 km (0.081 R)
• M79: 46,619,932 km (0.064 R)
• M80: 47,619,545 km (0.108 R)
• M81: 48,038,120 km (0.102 R)
• M82: 48,458,041 km (0.052 R)
• M83: 50,064,274 km (0.119 R)
• M84: 50,149,395 km (0.108 R)
• M85: 53,328,948 km (0.104 R)
• M86: 53,850,746 km (0.093 R)
• M87: 55,162,569 km (0.098 R)
• M88: 55,866,427 km (0.104 R)
• M89: 56,042,803 km (0.081 R)
• M90: 56,396,303 km (0.114 R)
• M91: 59,520,206 km (0.079 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 12,457 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit