🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.45 AU - 0.61 AU

Year: 145 Days

Day: 14.9 Hours

Environment

Temp: 167 °C

Axial Tilt: 41.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.5 AU - 0.58 AU

Year: 149 Days

Day: 32.6 Hours

Environment

Temp: 191 °C

Axial Tilt: 18.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.72 AU - 1.04 AU

Year: 311 Days

Day: 20.8 Hours

Environment

Temp: 43 °C

Axial Tilt: 113.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.14 AU - 1.82 AU

Year: 678 Days

Day: 18.9 Hours

Environment

Temp: -40 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,034,040 km

• M1: 1,086,230 km (0.08 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.77 AU - 1.89 AU

Year: 933 Days

Day: 16.2 Hours

Environment

Temp: -72 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,034,040 km

• M1: 305,329 km (0.068 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.94 AU - 2.5 AU

Year: 1246 Days

Day: 36.6 Hours

Environment

Temp: -88 °C

Axial Tilt: 46 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,034,040 km

• M1: 1,505,403 km (0.045 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.2 AU - 4.26 AU

Year: 2714 Days

Day: 24.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452

Radius: 9.5

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.71 AU - 5.97 AU

Year: 5317 Days

Day: 14.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 89,034,040 km

• M1: 163,361 km (0.072 R)
• M2: 387,159 km (0.109 R)
• M3: 508,932 km (0.081 R)
• M4: 689,497 km (0.073 R)
• M5: 781,948 km (0.106 R)
• M6: 954,734 km (0.112 R)
• M7: 1,251,685 km (0.08 R)
• M8: 1,381,536 km (0.12 R)
• M9: 1,670,709 km (0.086 R)
• M10: 1,766,152 km (0.072 R)
• M11: 1,863,391 km (0.119 R)
• M12: 2,217,938 km (0.034 R)
• M13: 2,466,270 km (0.119 R)
• M14: 2,593,877 km (0.082 R)
• M15: 2,855,674 km (0.063 R)
• M16: 3,204,835 km (0.081 R)
• M17: 3,629,544 km (0.04 R)
• M18: 4,443,057 km (0.106 R)
• M19: 4,509,628 km (0.068 R)
• M20: 4,643,817 km (0.105 R)
• M21: 4,824,831 km (0.077 R)
• M22: 5,240,563 km (0.054 R)
• M23: 5,334,660 km (0.095 R)
• M24: 5,452,842 km (0.082 R)
• M25: 5,861,544 km (0.065 R)
• M26: 6,156,102 km (0.094 R)
• M27: 6,230,452 km (0.076 R)
• M28: 6,330,084 km (0.09 R)
• M29: 6,480,580 km (0.057 R)
• M30: 6,556,276 km (0.105 R)
• M31: 6,759,580 km (0.113 R)
• M32: 6,836,473 km (0.066 R)
• M33: 7,042,619 km (0.079 R)
• M34: 7,540,481 km (0.105 R)
• M35: 7,673,473 km (0.113 R)
• M36: 7,833,992 km (0.061 R)
• M37: 8,158,469 km (0.113 R)
• M38: 8,597,988 km (0.055 R)
• M39: 8,932,638 km (0.047 R)
• M40: 9,414,194 km (0.117 R)
• M41: 9,701,422 km (0.063 R)
• M42: 9,817,061 km (0.087 R)
• M43: 10,079,157 km (0.116 R)
• M44: 10,166,970 km (0.119 R)
• M45: 10,609,930 km (0.102 R)
• M46: 10,878,907 km (0.102 R)
• M47: 11,029,253 km (0.095 R)
• M48: 11,423,443 km (0.101 R)
• M49: 11,545,664 km (0.118 R)
• M50: 12,038,889 km (0.032 R)
• M51: 12,225,587 km (0.083 R)
• M52: 12,413,332 km (0.111 R)
• M53: 14,210,900 km (0.111 R)
• M54: 14,474,342 km (0.108 R)
• M55: 14,905,932 km (0.083 R)
• M56: 15,679,652 km (0.108 R)
• M57: 16,157,019 km (0.104 R)
• M58: 16,328,757 km (0.12 R)
• M59: 16,535,501 km (0.097 R)
• M60: 16,639,173 km (0.037 R)
• M61: 17,056,252 km (0.116 R)
• M62: 17,126,114 km (0.051 R)
• M63: 17,476,771 km (0.049 R)
• M64: 17,582,537 km (0.048 R)
• M65: 17,936,186 km (0.093 R)
• M66: 18,794,878 km (0.11 R)
• M67: 19,084,051 km (0.109 R)
• M68: 19,265,513 km (0.075 R)
• M69: 19,703,386 km (0.089 R)
• M70: 19,960,395 km (0.064 R)
• M71: 20,107,749 km (0.073 R)
• M72: 20,477,705 km (0.106 R)
• M73: 21,412,392 km (0.079 R)
• M74: 23,556,130 km (0.111 R)
• M75: 24,377,571 km (0.035 R)
• M76: 25,009,772 km (0.055 R)
• M77: 25,168,645 km (0.117 R)
• M78: 25,567,323 km (0.074 R)
• M79: 25,968,096 km (0.078 R)
• M80: 26,532,678 km (0.104 R)
• M81: 27,019,769 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 837.1

Radius: 7.4

Gravity: 15.29 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 12.09 AU - 18.83 AU

Year: 22900 Days

Day: 18 Hours

Environment

Temp: -188 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 89,034,040 km

• M1: 94,845 km (0.042 R)
• M2: 271,969 km (0.065 R)
• M3: 649,704 km (0.1 R)
• M4: 1,056,759 km (0.063 R)
• M5: 1,366,726 km (0.083 R)
• M6: 1,846,337 km (0.065 R)
• M7: 2,180,539 km (0.054 R)
• M8: 2,374,417 km (0.106 R)
• M9: 3,292,799 km (0.045 R)
• M10: 3,743,088 km (0.115 R)
• M11: 4,801,044 km (0.06 R)
• M12: 5,259,113 km (0.06 R)
• M13: 5,572,221 km (0.062 R)
• M14: 7,169,328 km (0.11 R)
• M15: 7,284,369 km (0.082 R)
• M16: 7,516,395 km (0.086 R)
• M17: 7,928,238 km (0.117 R)
• M18: 8,047,169 km (0.113 R)
• M19: 8,347,412 km (0.076 R)
• M20: 8,529,323 km (0.119 R)
• M21: 9,458,176 km (0.106 R)
• M22: 9,775,024 km (0.079 R)
• M23: 9,838,753 km (0.096 R)
• M24: 12,156,622 km (0.11 R)
• M25: 12,431,882 km (0.117 R)
• M26: 13,411,300 km (0.029 R)
• M27: 13,838,701 km (0.047 R)
• M28: 15,221,135 km (0.113 R)
• M29: 15,295,185 km (0.107 R)
• M30: 16,723,396 km (0.041 R)
• M31: 17,569,672 km (0.031 R)
• M32: 17,724,954 km (0.074 R)
• M33: 19,063,855 km (0.105 R)
• M34: 19,705,181 km (0.103 R)
• M35: 19,947,380 km (0.057 R)
• M36: 21,091,205 km (0.099 R)
• M37: 22,004,650 km (0.086 R)
• M38: 22,340,048 km (0.104 R)
• M39: 23,271,146 km (0.111 R)
• M40: 23,870,285 km (0.115 R)
• M41: 24,387,744 km (0.051 R)
• M42: 24,821,877 km (0.06 R)
• M43: 25,171,039 km (0.044 R)
• M44: 25,785,886 km (0.117 R)
• M45: 29,301,137 km (0.108 R)
• M46: 32,390,632 km (0.05 R)
• M47: 32,485,926 km (0.103 R)
• M48: 32,581,219 km (0.081 R)
• M49: 32,963,442 km (0.092 R)
• M50: 33,732,225 km (0.112 R)
• M51: 34,994,383 km (0.097 R)
• M52: 38,973,387 km (0.066 R)
• M53: 39,786,152 km (0.115 R)
• M54: 41,428,587 km (0.113 R)
• M55: 41,739,003 km (0.079 R)
• M56: 43,512,485 km (0.104 R)
• M57: 45,737,155 km (0.076 R)
• M58: 47,564,942 km (0.088 R)
• M59: 48,433,358 km (0.08 R)
• M60: 52,181,981 km (0.054 R)
• M61: 52,629,129 km (0.077 R)
• M62: 53,189,822 km (0.078 R)
• M63: 53,865,257 km (0.09 R)
• M64: 54,317,192 km (0.077 R)
• M65: 54,770,324 km (0.066 R)
• M66: 55,338,496 km (0.049 R)
• M67: 56,366,084 km (0.074 R)
• M68: 56,710,010 km (0.118 R)
• M69: 57,054,683 km (0.067 R)
• M70: 60,187,711 km (0.041 R)
• M71: 60,891,420 km (0.1 R)
• M72: 61,009,004 km (0.101 R)
• M73: 61,834,036 km (0.088 R)
• M74: 62,425,695 km (0.083 R)
• M75: 62,900,220 km (0.088 R)
• M76: 63,376,091 km (0.065 R)
• M77: 64,211,595 km (0.093 R)
• M78: 67,468,490 km (0.048 R)
• M79: 68,566,090 km (0.1 R)
• M80: 70,161,701 km (0.064 R)
• M81: 71,893,894 km (0.109 R)
• M82: 73,014,831 km (0.095 R)
• M83: 73,389,723 km (0.079 R)
• M84: 74,141,453 km (0.101 R)
• M85: 74,769,913 km (0.092 R)
• M86: 75,273,909 km (0.12 R)
• M87: 75,400,169 km (0.098 R)
• M88: 76,158,630 km (0.05 R)
• M89: 77,683,332 km (0.086 R)
• M90: 78,066,153 km (0.104 R)
• M91: 78,705,385 km (0.054 R)
• M92: 84,274,614 km (0.06 R)
• M93: 85,456,288 km (0.106 R)
• M94: 86,643,496 km (0.074 R)
• M95: 88,101,776 km (0.098 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 13,969 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit