🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.86 AU - 1.12 AU

Year: 358 Days

Day: 14.5 Hours

Environment

Temp: 23 °C

Axial Tilt: 28.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 37,560,512 km

• M1: 61,036 km (0.093 R)
• M2: 76,445 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.06 AU - 1.66 AU

Year: 576 Days

Day: 28.4 Hours

Environment

Temp: -5 °C

Axial Tilt: 39.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.82 AU - 1.9 AU

Year: 922 Days

Day: 23.7 Hours

Environment

Temp: -51 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,560,512 km

• M1: 1,203,964 km (0.055 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.79 AU - 2.41 AU

Year: 1106 Days

Day: 38.3 Hours

Environment

Temp: -67 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.14 AU - 2.38 AU

Year: 1235 Days

Day: 47.2 Hours

Environment

Temp: -66 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.35 AU - 3.19 AU

Year: 1676 Days

Day: 24.9 Hours

Environment

Temp: -96 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.25 AU - 4.73 AU

Year: 2897 Days

Day: 37.4 Hours

Environment

Temp: -122 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,560,512 km

• M1: 1,399,189 km (0.028 R)

Planet 8 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.33 AU - 5.13 AU

Year: 3162 Days

Day: 22.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,560,512 km

• M1: 1,686,118 km (0.114 R)

Asteroid Belt

Center: 4.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.4

Radius: 14.7

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.88 AU - 5.1 AU

Year: 4051 Days

Day: 14.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 37,560,512 km

• M1: 188,793 km (0.097 R)
• M2: 331,958 km (0.084 R)
• M3: 441,164 km (0.108 R)
• M4: 533,316 km (0.115 R)
• M5: 727,794 km (0.084 R)
• M6: 994,377 km (0.085 R)
• M7: 1,087,577 km (0.074 R)
• M8: 1,253,630 km (0.064 R)
• M9: 1,503,459 km (0.095 R)
• M10: 1,713,195 km (0.067 R)
• M11: 1,827,637 km (0.115 R)
• M12: 2,186,971 km (0.113 R)
• M13: 2,375,465 km (0.086 R)
• M14: 2,608,837 km (0.109 R)
• M15: 2,809,298 km (0.097 R)
• M16: 3,070,646 km (0.118 R)
• M17: 3,254,202 km (0.085 R)
• M18: 3,354,583 km (0.047 R)
• M19: 3,529,163 km (0.082 R)
• M20: 3,781,834 km (0.074 R)
• M21: 4,210,881 km (0.074 R)
• M22: 4,352,251 km (0.101 R)
• M23: 4,607,465 km (0.118 R)
• M24: 5,250,436 km (0.098 R)
• M25: 5,436,985 km (0.119 R)
• M26: 5,746,952 km (0.102 R)
• M27: 5,886,676 km (0.058 R)
• M28: 6,276,678 km (0.089 R)
• M29: 6,602,053 km (0.025 R)
• M30: 6,730,259 km (0.113 R)
• M31: 7,082,113 km (0.093 R)
• M32: 7,213,310 km (0.102 R)
• M33: 7,554,244 km (0.111 R)
• M34: 7,669,135 km (0.046 R)
• M35: 7,900,712 km (0.032 R)
• M36: 8,709,289 km (0.1 R)
• M37: 8,809,669 km (0.114 R)
• M38: 8,930,694 km (0.097 R)
• M39: 9,338,198 km (0.107 R)
• M40: 10,256,131 km (0.084 R)
• M41: 10,490,102 km (0.097 R)
• M42: 10,682,934 km (0.073 R)
• M43: 10,790,494 km (0.094 R)
• M44: 11,050,346 km (0.06 R)
• M45: 11,246,469 km (0.066 R)
• M46: 11,377,965 km (0.09 R)
• M47: 11,753,157 km (0.068 R)
• M48: 12,674,979 km (0.094 R)
• M49: 12,926,303 km (0.093 R)
• M50: 13,041,045 km (0.092 R)
• M51: 13,550,126 km (0.102 R)
• M52: 13,736,824 km (0.025 R)
• M53: 13,853,960 km (0.098 R)
• M54: 14,018,517 km (0.102 R)
• M55: 14,540,015 km (0.112 R)
• M56: 14,899,200 km (0.116 R)
• M57: 15,553,242 km (0.072 R)
• M58: 15,773,300 km (0.111 R)
• M59: 15,871,436 km (0.076 R)
• M60: 16,191,875 km (0.102 R)
• M61: 16,564,224 km (0.088 R)
• M62: 16,839,185 km (0.032 R)

Planet 10 - Gas Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.4

Radius: 13.9

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.84 AU - 6.9 AU

Year: 5843 Days

Day: 11 Hours

Environment

Temp: -152 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 37,560,512 km

• M1: 186,100 km (0.102 R)
• M2: 578,345 km (0.03 R)
• M3: 971,638 km (0.115 R)
• M4: 1,355,207 km (0.12 R)
• M5: 2,366,638 km (0.073 R)
• M6: 2,520,874 km (0.073 R)
• M7: 2,610,632 km (0.095 R)
• M8: 3,075,732 km (0.056 R)
• M9: 3,367,598 km (0.057 R)
• M10: 3,668,589 km (0.114 R)
• M11: 4,083,573 km (0.049 R)
• M12: 4,296,900 km (0.118 R)
• M13: 4,404,909 km (0.116 R)
• M14: 4,902,472 km (0.072 R)
• M15: 5,273,175 km (0.116 R)
• M16: 5,535,271 km (0.105 R)
• M17: 5,742,015 km (0.113 R)
• M18: 6,316,321 km (0.117 R)
• M19: 6,814,183 km (0.093 R)
• M20: 7,100,065 km (0.112 R)
• M21: 7,947,686 km (0.054 R)
• M22: 8,315,996 km (0.088 R)
• M23: 8,792,914 km (0.078 R)
• M24: 8,965,400 km (0.028 R)
• M25: 10,060,008 km (0.103 R)
• M26: 10,936,502 km (0.069 R)
• M27: 11,459,047 km (0.064 R)
• M28: 12,027,968 km (0.111 R)
• M29: 12,801,090 km (0.079 R)
• M30: 13,470,839 km (0.115 R)
• M31: 13,590,219 km (0.114 R)
• M32: 14,232,891 km (0.036 R)
• M33: 14,435,746 km (0.074 R)
• M34: 14,639,648 km (0.038 R)
• M35: 14,762,318 km (0.09 R)
• M36: 16,093,290 km (0.09 R)
• M37: 16,474,466 km (0.094 R)
• M38: 16,773,063 km (0.037 R)
• M39: 16,901,567 km (0.084 R)
• M40: 17,505,644 km (0.109 R)
• M41: 17,897,740 km (0.079 R)
• M42: 18,513,484 km (0.103 R)
• M43: 18,823,900 km (0.117 R)
• M44: 19,315,329 km (0.094 R)
• M45: 20,722,895 km (0.102 R)
• M46: 20,814,749 km (0.052 R)
• M47: 21,555,258 km (0.054 R)
• M48: 22,445,814 km (0.068 R)
• M49: 22,871,869 km (0.12 R)
• M50: 22,966,864 km (0.086 R)
• M51: 24,069,400 km (0.071 R)
• M52: 24,408,239 km (0.091 R)
• M53: 24,505,478 km (0.101 R)
• M54: 24,602,716 km (0.063 R)
• M55: 24,846,411 km (0.026 R)
• M56: 25,238,058 km (0.089 R)
• M57: 25,582,433 km (0.087 R)
• M58: 25,681,167 km (0.058 R)
• M59: 26,077,153 km (0.048 R)
• M60: 26,325,635 km (0.116 R)
• M61: 26,674,946 km (0.109 R)
• M62: 26,925,223 km (0.082 R)
• M63: 27,075,868 km (0.086 R)
• M64: 27,428,470 km (0.118 R)
• M65: 27,529,449 km (0.062 R)
• M66: 28,700,052 km (0.047 R)
• M67: 28,802,527 km (0.101 R)
• M68: 30,407,712 km (0.109 R)
• M69: 31,829,341 km (0.112 R)
• M70: 32,949,978 km (0.066 R)
• M71: 33,057,389 km (0.049 R)
• M72: 34,300,997 km (0.095 R)
• M73: 34,682,471 km (0.072 R)
• M74: 35,175,097 km (0.04 R)
• M75: 36,833,838 km (0.054 R)
• M76: 37,224,588 km (0.1 R)
• M77: 37,448,386 km (0.109 R)
• M78: 37,560,585 km (0.071 R)

Kuiper Belt

Range: 30.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 19,562 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit