🌌 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: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.52 AU - 0.66 AU

Year: 167 Days

Day: 43.8 Hours

Environment

Temp: 134 °C

Axial Tilt: 44.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 32,864,955 km

• M1: 42,635 km (0.078 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.75 AU - 0.99 AU

Year: 299 Days

Day: 40.4 Hours

Environment

Temp: 86 °C

Axial Tilt: 118.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.04 AU - 1.56 AU

Year: 547 Days

Day: 33.3 Hours

Environment

Temp: -19 °C

Axial Tilt: 24.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 32,864,955 km

• M1: 310,864 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.34 AU - 1.56 AU

Year: 644 Days

Day: 29.5 Hours

Environment

Temp: -42 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.23 AU - 1.67 AU

Year: 644 Days

Day: 43.1 Hours

Environment

Temp: -26 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.24 AU - 4.16 AU

Year: 2626 Days

Day: 14.5 Hours

Environment

Temp: -112 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,864,955 km

• M1: 1,331,421 km (0.032 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.63 AU - 4.33 AU

Year: 2930 Days

Day: 41.2 Hours

Environment

Temp: -121 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.2

Radius: 10.8

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.37 AU - 6.97 AU

Year: 5655 Days

Day: 14.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 32,864,955 km

• M1: 140,024 km (0.099 R)
• M2: 211,681 km (0.102 R)
• M3: 306,676 km (0.117 R)
• M4: 382,821 km (0.097 R)
• M5: 548,276 km (0.104 R)
• M6: 634,594 km (0.113 R)
• M7: 851,361 km (0.074 R)
• M8: 984,204 km (0.089 R)
• M9: 1,061,247 km (0.119 R)
• M10: 1,140,385 km (0.081 R)
• M11: 1,288,337 km (0.086 R)
• M12: 1,478,027 km (0.104 R)
• M13: 1,677,142 km (0.076 R)
• M14: 1,751,791 km (0.115 R)
• M15: 1,923,978 km (0.108 R)
• M16: 2,410,620 km (0.099 R)
• M17: 2,516,685 km (0.039 R)
• M18: 2,711,910 km (0.076 R)
• M19: 3,002,728 km (0.108 R)
• M20: 3,445,987 km (0.025 R)
• M21: 4,789,226 km (0.114 R)
• M22: 5,141,230 km (0.054 R)
• M23: 5,334,361 km (0.054 R)
• M24: 5,642,682 km (0.116 R)
• M25: 6,043,604 km (0.04 R)
• M26: 6,424,032 km (0.117 R)
• M27: 6,513,042 km (0.078 R)
• M28: 6,632,272 km (0.119 R)
• M29: 6,963,930 km (0.114 R)
• M30: 7,116,371 km (0.12 R)
• M31: 7,331,941 km (0.1 R)
• M32: 7,959,355 km (0.095 R)
• M33: 8,866,666 km (0.108 R)
• M34: 8,965,849 km (0.108 R)
• M35: 9,265,643 km (0.041 R)
• M36: 9,636,496 km (0.074 R)
• M37: 9,909,213 km (0.116 R)
• M38: 10,707,617 km (0.104 R)
• M39: 10,954,753 km (0.096 R)
• M40: 11,562,868 km (0.104 R)
• M41: 12,365,910 km (0.043 R)
• M42: 12,439,811 km (0.079 R)
• M43: 12,588,062 km (0.107 R)
• M44: 13,565,984 km (0.106 R)
• M45: 13,795,168 km (0.089 R)
• M46: 13,948,655 km (0.1 R)
• M47: 14,803,009 km (0.12 R)
• M48: 14,920,892 km (0.09 R)
• M49: 16,399,517 km (0.101 R)
• M50: 16,725,341 km (0.038 R)
• M51: 17,135,688 km (0.107 R)
• M52: 18,852,473 km (0.095 R)
• M53: 19,065,650 km (0.063 R)
• M54: 19,193,856 km (0.098 R)
• M55: 19,451,314 km (0.103 R)
• M56: 20,143,204 km (0.095 R)
• M57: 21,417,778 km (0.109 R)
• M58: 21,952,740 km (0.076 R)
• M59: 22,311,924 km (0.037 R)
• M60: 23,952,115 km (0.115 R)
• M61: 24,460,897 km (0.105 R)
• M62: 24,786,722 km (0.086 R)
• M63: 25,020,244 km (0.108 R)
• M64: 25,536,506 km (0.116 R)
• M65: 26,198,776 km (0.025 R)
• M66: 26,484,358 km (0.103 R)
• M67: 27,878,910 km (0.101 R)
• M68: 28,463,089 km (0.075 R)
• M69: 28,854,736 km (0.048 R)
• M70: 29,051,159 km (0.073 R)
• M71: 29,198,812 km (0.116 R)
• M72: 30,339,196 km (0.065 R)
• M73: 31,595,220 km (0.098 R)
• M74: 32,153,220 km (0.029 R)
• M75: 32,305,959 km (0.119 R)
• M76: 32,714,511 km (0.116 R)
• M77: 33,227,632 km (0.106 R)
• M78: 34,313,712 km (0.091 R)
• M79: 34,834,911 km (0.074 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.8

Radius: 11.5

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.95 AU - 7.95 AU

Year: 8270 Days

Day: 11.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 32,864,955 km

• M1: 158,275 km (0.104 R)
• M2: 242,648 km (0.106 R)
• M3: 404,812 km (0.025 R)
• M4: 660,475 km (0.051 R)
• M5: 815,159 km (0.115 R)
• M6: 939,624 km (0.113 R)
• M7: 1,011,880 km (0.11 R)
• M8: 1,131,558 km (0.115 R)
• M9: 1,589,178 km (0.105 R)
• M10: 1,820,456 km (0.12 R)
• M11: 2,082,103 km (0.057 R)
• M12: 2,217,639 km (0.066 R)
• M13: 3,846,909 km (0.096 R)
• M14: 4,481,055 km (0.059 R)
• M15: 4,556,452 km (0.105 R)
• M16: 4,836,200 km (0.114 R)
• M17: 6,066,343 km (0.025 R)
• M18: 6,149,819 km (0.079 R)
• M19: 6,346,091 km (0.102 R)
• M20: 6,745,069 km (0.115 R)
• M21: 7,034,989 km (0.065 R)
• M22: 7,777,892 km (0.083 R)
• M23: 9,017,909 km (0.043 R)
• M24: 9,498,717 km (0.109 R)
• M25: 10,053,725 km (0.076 R)
• M26: 10,619,354 km (0.106 R)
• M27: 10,889,079 km (0.108 R)
• M28: 11,126,940 km (0.119 R)
• M29: 12,025,724 km (0.07 R)
• M30: 12,483,793 km (0.091 R)
• M31: 12,911,792 km (0.068 R)
• M32: 13,199,918 km (0.118 R)
• M33: 13,380,931 km (0.099 R)
• M34: 13,453,636 km (0.079 R)
• M35: 13,672,348 km (0.095 R)
• M36: 13,855,605 km (0.072 R)
• M37: 14,002,809 km (0.116 R)
• M38: 14,634,113 km (0.107 R)
• M39: 15,161,146 km (0.061 R)
• M40: 15,274,840 km (0.116 R)
• M41: 15,963,140 km (0.11 R)
• M42: 16,350,000 km (0.097 R)
• M43: 16,427,641 km (0.108 R)
• M44: 16,779,047 km (0.12 R)
• M45: 17,211,833 km (0.047 R)
• M46: 18,532,035 km (0.09 R)
• M47: 18,613,117 km (0.101 R)
• M48: 18,775,580 km (0.12 R)
• M49: 19,102,003 km (0.092 R)
• M50: 19,183,982 km (0.116 R)
• M51: 19,389,230 km (0.046 R)
• M52: 19,512,649 km (0.047 R)
• M53: 19,760,532 km (0.081 R)
• M54: 20,050,902 km (0.098 R)
• M55: 20,259,292 km (0.119 R)
• M56: 20,342,767 km (0.105 R)
• M57: 20,552,055 km (0.105 R)
• M58: 21,652,048 km (0.107 R)
• M59: 22,080,197 km (0.101 R)
• M60: 22,295,468 km (0.059 R)
• M61: 22,424,870 km (0.116 R)
• M62: 24,174,268 km (0.103 R)
• M63: 24,618,424 km (0.12 R)
• M64: 24,975,664 km (0.095 R)
• M65: 25,559,993 km (0.08 R)
• M66: 26,194,288 km (0.113 R)
• M67: 26,285,243 km (0.068 R)
• M68: 26,650,561 km (0.026 R)
• M69: 26,787,892 km (0.042 R)
• M70: 27,617,113 km (0.097 R)
• M71: 27,988,415 km (0.064 R)
• M72: 28,782,930 km (0.073 R)
• M73: 29,300,837 km (0.085 R)
• M74: 29,442,656 km (0.09 R)
• M75: 29,774,464 km (0.115 R)
• M76: 30,681,326 km (0.079 R)
• M77: 30,825,240 km (0.055 R)
• M78: 31,694,104 km (0.09 R)
• M79: 32,521,979 km (0.116 R)
• M80: 32,766,870 km (0.111 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 18,604 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit