🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.74 AU - 0.98 AU

Year: 284 Days

Day: 17.3 Hours

Environment

Temp: 174 °C

Axial Tilt: 8.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,585,108 km

• M1: 261,497 km (0.055 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.71 AU - 1.73 AU

Year: 804 Days

Day: 28.5 Hours

Environment

Temp: -38 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 46,585,108 km

• M1: 22,739 km (0.113 R)
• M2: 700,417 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.51 AU - 2.31 AU

Year: 941 Days

Day: 42.7 Hours

Environment

Temp: -52 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,585,108 km

• M1: 69,862 km (0.073 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.61 AU - 4.29 AU

Year: 2284 Days

Day: 30.3 Hours

Environment

Temp: -109 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.74 AU - 4.48 AU

Year: 2970 Days

Day: 34.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,585,108 km

• M1: 141,520 km (0.112 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.85 AU - 4.65 AU

Year: 3123 Days

Day: 45.9 Hours

Environment

Temp: -112 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.49 AU - 4.87 AU

Year: 3609 Days

Day: 26.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,585,108 km

• M1: 2,706,525 km (0.093 R)

Planet 8 - Terrestrial

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.62 AU - 5.88 AU

Year: 3690 Days

Day: 24.7 Hours

Environment

Temp: -121 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.6

Radius: 10.5

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.26 AU - 8.3 AU

Year: 8493 Days

Day: 11.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 46,585,108 km

• M1: 171,738 km (0.109 R)
• M2: 246,986 km (0.055 R)
• M3: 661,671 km (0.078 R)
• M4: 942,616 km (0.058 R)
• M5: 1,298,210 km (0.107 R)
• M6: 1,452,147 km (0.098 R)
• M7: 1,694,495 km (0.117 R)
• M8: 2,264,164 km (0.115 R)
• M9: 2,333,577 km (0.072 R)
• M10: 2,546,305 km (0.059 R)
• M11: 3,459,900 km (0.118 R)
• M12: 3,540,383 km (0.07 R)
• M13: 3,896,277 km (0.083 R)
• M14: 4,036,151 km (0.088 R)
• M15: 4,263,689 km (0.081 R)
• M16: 4,583,380 km (0.096 R)
• M17: 5,715,237 km (0.081 R)
• M18: 6,165,377 km (0.116 R)
• M19: 6,895,714 km (0.107 R)
• M20: 7,478,846 km (0.115 R)
• M21: 7,829,205 km (0.044 R)
• M22: 7,935,419 km (0.074 R)
• M23: 8,546,227 km (0.043 R)
• M24: 8,765,538 km (0.112 R)
• M25: 9,209,544 km (0.074 R)
• M26: 9,509,637 km (0.038 R)
• M27: 9,698,879 km (0.078 R)
• M28: 9,889,317 km (0.046 R)
• M29: 10,004,208 km (0.089 R)
• M30: 10,390,320 km (0.108 R)
• M31: 10,585,246 km (0.117 R)
• M32: 10,663,635 km (0.116 R)
• M33: 11,336,975 km (0.113 R)
• M34: 11,457,402 km (0.096 R)
• M35: 12,146,898 km (0.1 R)
• M36: 12,476,163 km (0.115 R)
• M37: 13,736,824 km (0.104 R)
• M38: 13,993,684 km (0.11 R)
• M39: 14,512,489 km (0.092 R)
• M40: 14,905,782 km (0.111 R)
• M41: 15,037,578 km (0.113 R)
• M42: 15,258,235 km (0.107 R)
• M43: 16,061,276 km (0.114 R)
• M44: 16,286,870 km (0.1 R)
• M45: 17,245,643 km (0.101 R)
• M46: 19,649,232 km (0.11 R)
• M47: 20,865,462 km (0.082 R)
• M48: 21,309,169 km (0.113 R)
• M49: 22,105,778 km (0.107 R)
• M50: 22,659,141 km (0.119 R)
• M51: 22,760,269 km (0.072 R)
• M52: 23,370,030 km (0.066 R)
• M53: 23,625,693 km (0.087 R)
• M54: 24,294,694 km (0.08 R)
• M55: 25,388,703 km (0.082 R)
• M56: 25,756,864 km (0.076 R)
• M57: 26,179,927 km (0.101 R)
• M58: 26,658,490 km (0.099 R)
• M59: 26,979,228 km (0.098 R)
• M60: 27,408,723 km (0.094 R)
• M61: 27,948,921 km (0.115 R)
• M62: 28,601,766 km (0.099 R)
• M63: 29,314,600 km (0.107 R)
• M64: 29,756,213 km (0.106 R)
• M65: 29,922,416 km (0.069 R)
• M66: 31,601,054 km (0.088 R)
• M67: 31,940,492 km (0.033 R)
• M68: 32,053,887 km (0.082 R)
• M69: 32,167,432 km (0.052 R)
• M70: 32,451,967 km (0.088 R)
• M71: 35,400,541 km (0.114 R)
• M72: 35,576,618 km (0.052 R)
• M73: 35,870,727 km (0.115 R)
• M74: 36,817,532 km (0.105 R)
• M75: 37,473,070 km (0.077 R)
• M76: 38,192,785 km (0.085 R)
• M77: 38,433,638 km (0.09 R)
• M78: 38,856,551 km (0.067 R)
• M79: 38,977,576 km (0.112 R)
• M80: 39,402,284 km (0.1 R)
• M81: 40,563,014 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.1

Radius: 7.7

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 12.94 AU - 14.72 AU

Year: 18333 Days

Day: 16.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 46,585,108 km

• M1: 208,091 km (0.083 R)
• M2: 349,461 km (0.061 R)
• M3: 554,410 km (0.034 R)
• M4: 866,172 km (0.072 R)
• M5: 975,229 km (0.033 R)
• M6: 1,050,626 km (0.08 R)
• M7: 1,108,520 km (0.101 R)
• M8: 1,632,562 km (0.089 R)
• M9: 1,815,071 km (0.103 R)
• M10: 2,478,986 km (0.117 R)
• M11: 2,796,583 km (0.119 R)
• M12: 2,850,737 km (0.108 R)
• M13: 3,675,620 km (0.09 R)
• M14: 4,537,752 km (0.098 R)
• M15: 5,123,727 km (0.114 R)
• M16: 5,324,338 km (0.079 R)
• M17: 6,437,645 km (0.067 R)
• M18: 7,094,679 km (0.041 R)
• M19: 8,314,799 km (0.112 R)
• M20: 8,948,795 km (0.113 R)
• M21: 9,150,154 km (0.079 R)
• M22: 9,516,369 km (0.076 R)
• M23: 9,970,548 km (0.108 R)
• M24: 10,474,095 km (0.12 R)
• M25: 10,771,495 km (0.119 R)
• M26: 11,201,440 km (0.07 R)
• M27: 11,680,751 km (0.107 R)
• M28: 14,269,991 km (0.073 R)
• M29: 14,411,062 km (0.111 R)
• M30: 15,895,372 km (0.044 R)
• M31: 16,482,993 km (0.112 R)
• M32: 16,878,529 km (0.111 R)
• M33: 17,027,828 km (0.041 R)
• M34: 17,377,588 km (0.061 R)
• M35: 17,780,305 km (0.072 R)
• M36: 19,891,730 km (0.111 R)
• M37: 21,164,209 km (0.113 R)
• M38: 21,756,168 km (0.117 R)
• M39: 22,135,548 km (0.099 R)
• M40: 22,190,002 km (0.06 R)
• M41: 22,298,909 km (0.115 R)
• M42: 22,408,115 km (0.08 R)
• M43: 23,564,357 km (0.108 R)
• M44: 24,010,009 km (0.072 R)
• M45: 24,177,858 km (0.061 R)
• M46: 24,570,852 km (0.079 R)
• M47: 24,683,649 km (0.113 R)
• M48: 24,909,541 km (0.095 R)
• M49: 25,477,265 km (0.101 R)
• M50: 25,934,586 km (0.098 R)
• M51: 27,439,541 km (0.043 R)
• M52: 27,967,172 km (0.115 R)
• M53: 28,084,756 km (0.043 R)
• M54: 28,913,229 km (0.118 R)
• M55: 29,032,160 km (0.114 R)
• M56: 29,449,986 km (0.092 R)
• M57: 29,809,620 km (0.079 R)
• M58: 29,929,896 km (0.111 R)
• M59: 30,472,787 km (0.091 R)
• M60: 30,654,548 km (0.101 R)
• M61: 31,019,118 km (0.114 R)
• M62: 31,385,035 km (0.095 R)
• M63: 31,629,777 km (0.072 R)
• M64: 31,813,782 km (0.114 R)
• M65: 31,875,118 km (0.111 R)
• M66: 31,936,602 km (0.066 R)
• M67: 33,923,711 km (0.04 R)
• M68: 34,742,460 km (0.074 R)
• M69: 35,249,447 km (0.08 R)
• M70: 35,376,605 km (0.092 R)
• M71: 35,822,706 km (0.054 R)
• M72: 36,014,491 km (0.102 R)
• M73: 36,720,742 km (0.113 R)
• M74: 37,043,275 km (0.08 R)
• M75: 37,107,752 km (0.108 R)
• M76: 38,016,260 km (0.068 R)
• M77: 38,997,921 km (0.099 R)
• M78: 39,392,859 km (0.097 R)
• M79: 39,458,682 km (0.118 R)
• M80: 41,052,648 km (0.114 R)
• M81: 41,119,518 km (0.083 R)
• M82: 42,464,403 km (0.072 R)
• M83: 42,802,943 km (0.054 R)
• M84: 43,687,216 km (0.111 R)

Kuiper Belt

Range: 30.8 - 52.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 16,997 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit