🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.47 AU - 0.61 AU

Year: 256 Days

Day: 22.2 Hours

Environment

Temp: -112 °C

Axial Tilt: 43.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,784,179 km

• M1: 35,455 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.2

Radius: 10.9

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.8 AU - 1.26 AU

Year: 675 Days

Day: 9 Hours

Environment

Temp: -166 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,784,179 km

• M1: 135,835 km (0.079 R)
• M2: 528,679 km (0.048 R)
• M3: 929,900 km (0.073 R)
• M4: 1,332,767 km (0.094 R)
• M5: 1,802,056 km (0.035 R)
• M6: 2,380,401 km (0.067 R)
• M7: 2,725,075 km (0.109 R)
• M8: 3,695,516 km (0.057 R)
• M9: 4,056,047 km (0.107 R)
• M10: 4,584,427 km (0.081 R)
• M11: 5,105,626 km (0.105 R)
• M12: 5,666,019 km (0.109 R)
• M13: 6,029,542 km (0.107 R)
• M14: 7,170,675 km (0.106 R)
• M15: 7,851,046 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.4

Radius: 14.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.79 AU - 1.31 AU

Year: 695 Days

Day: 9.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,784,179 km

• M1: 176,525 km (0.104 R)
• M2: 643,121 km (0.09 R)
• M3: 1,430,604 km (0.057 R)
• M4: 1,985,912 km (0.075 R)
• M5: 2,434,855 km (0.079 R)
• M6: 3,156,814 km (0.119 R)
• M7: 3,868,751 km (0.076 R)
• M8: 4,401,469 km (0.115 R)
• M9: 4,872,253 km (0.025 R)
• M10: 5,427,261 km (0.107 R)
• M11: 5,988,253 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.2

Radius: 12

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.19 AU - 1.39 AU

Year: 946 Days

Day: 7.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,784,179 km

• M1: 149,299 km (0.081 R)
• M2: 605,722 km (0.05 R)
• M3: 1,060,799 km (0.104 R)
• M4: 1,706,164 km (0.113 R)
• M5: 2,354,371 km (0.108 R)
• M6: 2,913,568 km (0.085 R)
• M7: 3,396,769 km (0.089 R)
• M8: 4,083,274 km (0.049 R)
• M9: 5,248,492 km (0.107 R)
• M10: 6,167,771 km (0.087 R)
• M11: 7,464,335 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79

Radius: 8.9

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.39 AU - 1.53 AU

Year: 1139 Days

Day: 11.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,784,179 km

• M1: 110,702 km (0.112 R)
• M2: 398,529 km (0.117 R)
• M3: 742,604 km (0.091 R)
• M4: 1,079,498 km (0.106 R)
• M5: 1,518,867 km (0.076 R)
• M6: 2,017,028 km (0.086 R)
• M7: 2,422,588 km (0.108 R)
• M8: 2,881,704 km (0.044 R)
• M9: 3,479,946 km (0.069 R)
• M10: 3,897,623 km (0.061 R)
• M11: 4,937,927 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.5

Radius: 9.7

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.69 AU - 3.47 AU

Year: 3490 Days

Day: 7.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 23,784,179 km

• M1: 120,725 km (0.105 R)
• M2: 546,032 km (0.056 R)
• M3: 905,666 km (0.073 R)
• M4: 1,284,148 km (0.104 R)
• M5: 1,624,782 km (0.081 R)
• M6: 2,385,338 km (0.111 R)
• M7: 3,895,678 km (0.072 R)
• M8: 4,385,611 km (0.093 R)
• M9: 5,408,262 km (0.118 R)
• M10: 5,904,628 km (0.102 R)
• M11: 6,552,088 km (0.105 R)
• M12: 8,270,967 km (0.097 R)
• M13: 9,119,785 km (0.039 R)
• M14: 9,428,256 km (0.107 R)
• M15: 10,947,123 km (0.059 R)
• M16: 11,428,529 km (0.111 R)
• M17: 12,107,704 km (0.085 R)
• M18: 13,497,019 km (0.054 R)
• M19: 15,042,963 km (0.111 R)
• M20: 16,362,118 km (0.102 R)
• M21: 18,178,086 km (0.083 R)
• M22: 20,189,729 km (0.055 R)
• M23: 22,766,103 km (0.102 R)
• M24: 24,949,185 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.8

Radius: 14.6

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.65 AU - 6.55 AU

Year: 8557 Days

Day: 11.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 23,784,179 km

• M1: 193,280 km (0.062 R)
• M2: 708,795 km (0.104 R)
• M3: 1,435,392 km (0.114 R)
• M4: 1,897,948 km (0.042 R)
• M5: 2,500,080 km (0.114 R)
• M6: 3,607,104 km (0.069 R)
• M7: 4,204,299 km (0.109 R)
• M8: 5,904,778 km (0.101 R)
• M9: 6,439,889 km (0.113 R)
• M10: 8,418,471 km (0.114 R)
• M11: 9,475,679 km (0.064 R)
• M12: 13,727,250 km (0.077 R)
• M13: 14,994,494 km (0.109 R)
• M14: 16,063,221 km (0.087 R)
• M15: 18,577,961 km (0.067 R)
• M16: 19,419,748 km (0.104 R)
• M17: 22,525,101 km (0.09 R)
• M18: 26,614,060 km (0.116 R)
• M19: 27,881,902 km (0.068 R)
• M20: 32,035,636 km (0.059 R)
• M21: 35,293,578 km (0.111 R)
• M22: 38,519,956 km (0.08 R)
• M23: 40,015,037 km (0.116 R)
• M24: 42,724,254 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.6

Radius: 4

Gravity: 61.79 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.58 AU - 7.2 AU

Year: 10430 Days

Day: 18.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 23,784,179 km

• M1: 49,816 km (0.091 R)
• M2: 180,714 km (0.074 R)
• M3: 308,920 km (0.073 R)
• M4: 543,489 km (0.093 R)
• M5: 1,297,911 km (0.09 R)
• M6: 1,493,286 km (0.118 R)
• M7: 1,806,095 km (0.104 R)
• M8: 2,198,939 km (0.088 R)
• M9: 2,984,926 km (0.101 R)
• M10: 4,144,011 km (0.104 R)
• M11: 4,537,004 km (0.098 R)
• M12: 7,875,879 km (0.11 R)
• M13: 8,149,793 km (0.11 R)
• M14: 11,952,271 km (0.091 R)
• M15: 13,834,961 km (0.108 R)
• M16: 14,233,789 km (0.116 R)
• M17: 15,618,915 km (0.095 R)
• M18: 16,051,403 km (0.095 R)
• M19: 16,197,261 km (0.112 R)
• M20: 19,552,741 km (0.075 R)
• M21: 19,970,568 km (0.109 R)
• M22: 20,651,537 km (0.045 R)
• M23: 22,330,773 km (0.052 R)
• M24: 22,787,346 km (0.069 R)
• M25: 27,596,020 km (0.083 R)
• M26: 29,410,493 km (0.046 R)
• M27: 31,759,778 km (0.103 R)
• M28: 34,110,708 km (0.114 R)
• M29: 34,837,903 km (0.063 R)
• M30: 36,954,564 km (0.114 R)
• M31: 42,408,752 km (0.116 R)
• M32: 43,958,287 km (0.115 R)
• M33: 45,837,835 km (0.055 R)
• M34: 52,275,031 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.7

Radius: 7.5

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.62 AU - 7.64 AU

Year: 13608 Days

Day: 18.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,784,179 km

• M1: 98,136 km (0.076 R)
• M2: 409,300 km (0.048 R)
• M3: 650,751 km (0.066 R)
• M4: 1,556,117 km (0.118 R)
• M5: 1,847,833 km (0.073 R)
• M6: 3,058,828 km (0.046 R)
• M7: 4,639,928 km (0.108 R)
• M8: 6,015,031 km (0.057 R)
• M9: 6,701,835 km (0.085 R)
• M10: 7,439,801 km (0.091 R)
• M11: 9,215,229 km (0.108 R)
• M12: 9,930,007 km (0.072 R)
• M13: 13,459,919 km (0.088 R)
• M14: 14,694,849 km (0.075 R)
• M15: 20,473,815 km (0.097 R)
• M16: 23,730,112 km (0.045 R)
• M17: 26,932,553 km (0.047 R)
• M18: 34,179,673 km (0.105 R)
• M19: 38,731,936 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.3

Radius: 5.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.36 AU - 8.24 AU

Year: 14066 Days

Day: 21.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,784,179 km

• M1: 71,209 km (0.103 R)
• M2: 569,519 km (0.119 R)
• M3: 1,477,578 km (0.029 R)
• M4: 1,827,787 km (0.117 R)
• M5: 2,364,095 km (0.116 R)
• M6: 3,424,445 km (0.104 R)
• M7: 4,059,338 km (0.089 R)
• M8: 5,722,418 km (0.119 R)
• M9: 7,860,919 km (0.088 R)
• M10: 8,958,818 km (0.117 R)
• M11: 9,836,808 km (0.109 R)
• M12: 12,860,779 km (0.116 R)
• M13: 14,277,022 km (0.112 R)
• M14: 15,206,474 km (0.08 R)
• M15: 17,647,612 km (0.116 R)
• M16: 18,717,386 km (0.103 R)
• M17: 19,892,777 km (0.117 R)
• M18: 22,664,077 km (0.097 R)
• M19: 23,010,247 km (0.115 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 11,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit