🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.44 AU - 0.68 AU

Year: 148 Days

Day: 17.9 Hours

Environment

Temp: 262 °C

Axial Tilt: 12.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 96,491,420 km

• M1: 285,283 km (0.078 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.78 AU - 1.04 AU

Year: 307 Days

Day: 19.8 Hours

Environment

Temp: 96 °C

Axial Tilt: 28.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.18 AU - 1.52 AU

Year: 554 Days

Day: 25.4 Hours

Environment

Temp: 1 °C

Axial Tilt: 6.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.83 AU - 1.87 AU

Year: 888 Days

Day: 37.7 Hours

Environment

Temp: -38 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.95 AU - 5.71 AU

Year: 3748 Days

Day: 33.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,491,420 km

• M1: 87,515 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.7

Radius: 11.9

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.06 AU - 8.56 AU

Year: 8459 Days

Day: 14.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 96,491,420 km

• M1: 156,928 km (0.12 R)
• M2: 1,319,154 km (0.106 R)
• M3: 2,493,497 km (0.082 R)
• M4: 3,089,346 km (0.114 R)
• M5: 3,971,973 km (0.091 R)
• M6: 6,684,930 km (0.066 R)
• M7: 7,145,692 km (0.112 R)
• M8: 8,222,198 km (0.048 R)
• M9: 8,512,418 km (0.049 R)
• M10: 9,921,780 km (0.067 R)
• M11: 10,647,030 km (0.1 R)
• M12: 11,144,892 km (0.082 R)
• M13: 12,707,741 km (0.101 R)
• M14: 13,343,681 km (0.064 R)
• M15: 14,231,694 km (0.117 R)
• M16: 14,904,585 km (0.077 R)
• M17: 15,792,748 km (0.099 R)
• M18: 16,044,072 km (0.117 R)
• M19: 17,593,906 km (0.044 R)
• M20: 18,995,638 km (0.039 R)
• M21: 21,083,576 km (0.047 R)
• M22: 21,315,752 km (0.054 R)
• M23: 21,902,175 km (0.115 R)
• M24: 22,436,689 km (0.043 R)
• M25: 23,038,222 km (0.052 R)
• M26: 23,770,653 km (0.112 R)
• M27: 24,265,373 km (0.101 R)
• M28: 25,017,102 km (0.074 R)
• M29: 26,295,416 km (0.106 R)
• M30: 27,077,963 km (0.057 R)
• M31: 29,425,901 km (0.05 R)
• M32: 29,976,272 km (0.052 R)
• M33: 33,313,800 km (0.068 R)
• M34: 34,564,438 km (0.062 R)
• M35: 35,086,236 km (0.074 R)
• M36: 37,676,224 km (0.099 R)
• M37: 38,848,323 km (0.06 R)
• M38: 39,798,868 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.5

Radius: 9.6

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.29 AU - 10.03 AU

Year: 8999 Days

Day: 9.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 96,491,420 km

• M1: 127,906 km (0.102 R)
• M2: 332,706 km (0.039 R)
• M3: 515,365 km (0.104 R)
• M4: 1,360,892 km (0.061 R)
• M5: 1,836,912 km (0.085 R)
• M6: 2,941,842 km (0.115 R)
• M7: 3,995,161 km (0.113 R)
• M8: 4,584,277 km (0.096 R)
• M9: 4,932,391 km (0.111 R)
• M10: 5,749,645 km (0.082 R)
• M11: 6,225,067 km (0.084 R)
• M12: 6,542,962 km (0.096 R)
• M13: 7,141,503 km (0.111 R)
• M14: 7,357,373 km (0.092 R)
• M15: 7,991,967 km (0.083 R)
• M16: 8,286,226 km (0.114 R)
• M17: 9,028,381 km (0.118 R)
• M18: 9,271,178 km (0.112 R)
• M19: 9,481,962 km (0.098 R)
• M20: 10,238,628 km (0.109 R)
• M21: 11,293,293 km (0.1 R)
• M22: 13,644,074 km (0.077 R)
• M23: 14,814,827 km (0.093 R)
• M24: 15,081,560 km (0.059 R)
• M25: 15,395,865 km (0.109 R)
• M26: 17,735,725 km (0.096 R)
• M27: 18,618,801 km (0.081 R)
• M28: 19,068,493 km (0.107 R)
• M29: 21,344,624 km (0.072 R)
• M30: 22,258,518 km (0.106 R)
• M31: 23,414,161 km (0.038 R)
• M32: 23,749,709 km (0.079 R)
• M33: 24,485,132 km (0.05 R)
• M34: 25,463,652 km (0.094 R)
• M35: 26,402,229 km (0.042 R)
• M36: 27,297,722 km (0.039 R)
• M37: 28,761,537 km (0.079 R)
• M38: 29,507,881 km (0.104 R)
• M39: 30,327,228 km (0.115 R)
• M40: 32,457,801 km (0.097 R)
• M41: 32,919,161 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.9

Radius: 7.6

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 13.39 AU - 21.11 AU

Year: 25298 Days

Day: 17.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 96,491,420 km

• M1: 186,100 km (0.102 R)
• M2: 481,705 km (0.075 R)
• M3: 859,290 km (0.086 R)
• M4: 4,408,051 km (0.099 R)
• M5: 4,620,181 km (0.039 R)
• M6: 4,837,397 km (0.115 R)
• M7: 6,081,752 km (0.064 R)
• M8: 7,562,621 km (0.057 R)
• M9: 8,219,805 km (0.104 R)
• M10: 8,805,331 km (0.101 R)
• M11: 9,411,052 km (0.061 R)
• M12: 12,566,670 km (0.108 R)
• M13: 14,860,903 km (0.077 R)
• M14: 17,629,361 km (0.069 R)
• M15: 21,249,630 km (0.094 R)
• M16: 22,346,481 km (0.069 R)
• M17: 31,738,684 km (0.083 R)
• M18: 32,691,772 km (0.073 R)
• M19: 41,580,279 km (0.119 R)
• M20: 44,668,727 km (0.068 R)
• M21: 56,224,864 km (0.102 R)
• M22: 60,983,422 km (0.066 R)
• M23: 63,636,241 km (0.104 R)
• M24: 64,308,235 km (0.112 R)
• M25: 66,894,184 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.4

Radius: 3.3

Gravity: 57.34 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 16.24 AU - 22.34 AU

Year: 29916 Days

Day: 16.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 173.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 96,491,420 km

• M1: 146,008 km (0.057 R)
• M2: 612,902 km (0.086 R)
• M3: 839,693 km (0.115 R)
• M4: 1,084,285 km (0.113 R)
• M5: 1,476,681 km (0.092 R)
• M6: 4,254,115 km (0.117 R)
• M7: 4,837,397 km (0.045 R)
• M8: 4,923,864 km (0.097 R)
• M9: 5,011,080 km (0.062 R)
• M10: 5,925,422 km (0.099 R)
• M11: 6,865,495 km (0.048 R)
• M12: 10,103,541 km (0.1 R)
• M13: 11,190,669 km (0.099 R)
• M14: 11,856,230 km (0.107 R)
• M15: 12,196,266 km (0.053 R)
• M16: 14,937,647 km (0.109 R)
• M17: 15,165,933 km (0.101 R)
• M18: 15,861,264 km (0.077 R)
• M19: 19,833,536 km (0.083 R)
• M20: 21,075,797 km (0.099 R)
• M21: 21,528,630 km (0.074 R)
• M22: 21,986,249 km (0.077 R)
• M23: 22,448,806 km (0.065 R)
• M24: 31,930,020 km (0.028 R)
• M25: 33,729,383 km (0.09 R)
• M26: 34,416,785 km (0.113 R)
• M27: 39,918,397 km (0.105 R)
• M28: 42,309,868 km (0.032 R)
• M29: 43,467,008 km (0.054 R)
• M30: 50,319,039 km (0.088 R)
• M31: 50,877,787 km (0.09 R)
• M32: 53,573,391 km (0.074 R)
• M33: 56,633,864 km (0.101 R)
• M34: 57,078,020 km (0.062 R)
• M35: 59,627,766 km (0.08 R)
• M36: 61,307,152 km (0.118 R)
• M37: 70,054,738 km (0.025 R)
• M38: 78,513,450 km (0.115 R)
• M39: 87,270,910 km (0.067 R)
• M40: 88,559,695 km (0.074 R)
• M41: 90,417,402 km (0.06 R)

Kuiper Belt

Range: 31.1 - 47.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 17,771 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit