🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.65 AU - 0.73 AU

Year: 215 Days

Day: 19.7 Hours

Environment

Temp: 189 °C

Axial Tilt: 43.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 28,714,316 km

• M1: 269,426 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.7 AU - 0.76 AU

Year: 234 Days

Day: 34.4 Hours

Environment

Temp: 184 °C

Axial Tilt: 16.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 28,714,316 km

• M1: 39,045 km (0.085 R)
• M2: 186,848 km (0.103 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.03 AU - 1.63 AU

Year: 575 Days

Day: 32.5 Hours

Environment

Temp: -31 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.15 AU - 1.53 AU

Year: 581 Days

Day: 23.3 Hours

Environment

Temp: -32 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,714,316 km

• M1: 44,431 km (0.063 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.18 AU - 1.94 AU

Year: 730 Days

Day: 16.9 Hours

Environment

Temp: -52 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.7 AU - 2.14 AU

Year: 997 Days

Day: 43.6 Hours

Environment

Temp: -69 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.76 AU - 2.82 AU

Year: 1746 Days

Day: 13.1 Hours

Environment

Temp: -111 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.1

Radius: 8.4

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.63 AU - 5.45 AU

Year: 3625 Days

Day: 8.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 28,714,316 km

• M1: 132,245 km (0.107 R)
• M2: 229,633 km (0.086 R)
• M3: 467,493 km (0.119 R)
• M4: 691,142 km (0.112 R)
• M5: 744,249 km (0.085 R)
• M6: 877,990 km (0.102 R)
• M7: 959,820 km (0.108 R)
• M8: 1,056,610 km (0.042 R)
• M9: 1,118,842 km (0.106 R)
• M10: 1,299,856 km (0.097 R)
• M11: 2,053,231 km (0.087 R)
• M12: 2,324,901 km (0.027 R)
• M13: 2,625,143 km (0.034 R)
• M14: 2,867,342 km (0.12 R)
• M15: 2,973,407 km (0.08 R)
• M16: 3,116,872 km (0.034 R)
• M17: 3,336,332 km (0.073 R)
• M18: 4,304,230 km (0.095 R)
• M19: 4,466,843 km (0.082 R)
• M20: 4,631,400 km (0.051 R)
• M21: 4,777,109 km (0.088 R)
• M22: 4,903,220 km (0.11 R)
• M23: 5,288,135 km (0.098 R)
• M24: 5,396,743 km (0.103 R)
• M25: 5,794,225 km (0.087 R)
• M26: 6,338,761 km (0.052 R)
• M27: 6,923,389 km (0.1 R)
• M28: 7,138,062 km (0.078 R)
• M29: 7,282,424 km (0.094 R)
• M30: 7,549,606 km (0.063 R)
• M31: 8,018,595 km (0.085 R)
• M32: 8,395,732 km (0.041 R)
• M33: 8,471,727 km (0.109 R)
• M34: 8,804,283 km (0.04 R)
• M35: 9,561,249 km (0.094 R)
• M36: 9,667,314 km (0.044 R)
• M37: 10,149,318 km (0.112 R)
• M38: 10,257,627 km (0.118 R)
• M39: 10,420,688 km (0.092 R)
• M40: 10,557,122 km (0.088 R)
• M41: 10,804,407 km (0.092 R)
• M42: 10,914,810 km (0.098 R)
• M43: 11,304,513 km (0.113 R)
• M44: 11,585,757 km (0.103 R)
• M45: 11,642,305 km (0.083 R)
• M46: 12,558,891 km (0.096 R)
• M47: 12,791,665 km (0.057 R)
• M48: 12,879,329 km (0.094 R)
• M49: 13,320,643 km (0.034 R)
• M50: 13,856,802 km (0.061 R)
• M51: 13,976,929 km (0.11 R)
• M52: 14,552,133 km (0.099 R)
• M53: 14,643,687 km (0.057 R)
• M54: 15,042,664 km (0.046 R)
• M55: 15,104,299 km (0.116 R)
• M56: 15,227,866 km (0.082 R)
• M57: 16,482,544 km (0.104 R)
• M58: 17,574,907 km (0.085 R)
• M59: 17,705,058 km (0.072 R)
• M60: 18,327,086 km (0.062 R)
• M61: 18,657,398 km (0.054 R)
• M62: 19,089,885 km (0.087 R)
• M63: 19,424,685 km (0.063 R)
• M64: 20,440,754 km (0.045 R)
• M65: 20,509,120 km (0.06 R)
• M66: 20,611,894 km (0.101 R)
• M67: 21,648,009 km (0.078 R)
• M68: 21,717,721 km (0.108 R)
• M69: 22,067,182 km (0.047 R)
• M70: 22,172,499 km (0.069 R)
• M71: 22,701,028 km (0.031 R)
• M72: 23,126,933 km (0.106 R)
• M73: 23,663,092 km (0.086 R)
• M74: 24,094,831 km (0.078 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.2

Radius: 11.3

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.93 AU - 5.01 AU

Year: 4152 Days

Day: 6.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 28,714,316 km

• M1: 145,260 km (0.101 R)
• M2: 233,821 km (0.068 R)
• M3: 327,619 km (0.069 R)
• M4: 413,339 km (0.083 R)
• M5: 560,543 km (0.055 R)
• M6: 739,163 km (0.083 R)
• M7: 1,154,746 km (0.036 R)
• M8: 1,328,279 km (0.108 R)
• M9: 1,464,414 km (0.115 R)
• M10: 1,718,281 km (0.058 R)
• M11: 2,038,271 km (0.054 R)
• M12: 2,340,907 km (0.084 R)
• M13: 2,582,059 km (0.114 R)
• M14: 2,677,054 km (0.075 R)
• M15: 2,831,588 km (0.061 R)
• M16: 2,949,472 km (0.084 R)
• M17: 4,238,706 km (0.085 R)
• M18: 4,579,789 km (0.088 R)
• M19: 5,337,203 km (0.109 R)
• M20: 5,655,996 km (0.051 R)
• M21: 5,930,808 km (0.08 R)
• M22: 6,235,538 km (0.11 R)
• M23: 6,781,122 km (0.091 R)
• M24: 7,073,137 km (0.085 R)
• M25: 7,180,249 km (0.116 R)
• M26: 7,396,268 km (0.066 R)
• M27: 7,477,949 km (0.089 R)
• M28: 7,696,960 km (0.055 R)
• M29: 8,141,266 km (0.077 R)
• M30: 8,225,639 km (0.102 R)
• M31: 8,651,394 km (0.111 R)
• M32: 8,823,582 km (0.102 R)
• M33: 8,910,199 km (0.113 R)
• M34: 9,084,331 km (0.117 R)
• M35: 9,435,736 km (0.101 R)
• M36: 9,732,089 km (0.082 R)
• M37: 9,851,469 km (0.097 R)
• M38: 9,941,377 km (0.096 R)
• M39: 10,793,337 km (0.107 R)
• M40: 10,978,988 km (0.077 R)
• M41: 11,416,113 km (0.092 R)
• M42: 12,827,269 km (0.115 R)
• M43: 13,188,698 km (0.105 R)
• M44: 13,686,859 km (0.106 R)
• M45: 13,787,239 km (0.042 R)
• M46: 13,988,747 km (0.116 R)
• M47: 14,770,247 km (0.084 R)
• M48: 14,976,542 km (0.027 R)
• M49: 15,496,245 km (0.11 R)
• M50: 15,670,826 km (0.111 R)
• M51: 16,375,581 km (0.103 R)
• M52: 16,982,799 km (0.107 R)
• M53: 17,379,682 km (0.119 R)
• M54: 18,922,934 km (0.091 R)
• M55: 18,997,434 km (0.077 R)
• M56: 19,072,233 km (0.077 R)
• M57: 19,184,431 km (0.035 R)
• M58: 20,013,951 km (0.077 R)
• M59: 20,127,945 km (0.077 R)
• M60: 20,356,680 km (0.119 R)
• M61: 20,433,124 km (0.084 R)
• M62: 20,701,353 km (0.088 R)
• M63: 21,009,375 km (0.119 R)
• M64: 21,513,221 km (0.074 R)
• M65: 22,217,378 km (0.111 R)
• M66: 22,453,743 km (0.076 R)
• M67: 22,651,362 km (0.103 R)
• M68: 23,768,858 km (0.069 R)
• M69: 23,889,583 km (0.089 R)
• M70: 24,212,715 km (0.064 R)
• M71: 24,496,651 km (0.083 R)
• M72: 25,725,897 km (0.099 R)
• M73: 26,765,602 km (0.114 R)
• M74: 27,311,634 km (0.067 R)
• M75: 27,776,585 km (0.114 R)
• M76: 28,628,694 km (0.067 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 18,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit