🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.48 AU - 2.86 AU

Year: 1680 Days

Day: 12.1 Hours

Environment

Temp: -110 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,861,785 km

• M1: 330,013 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.3

Radius: 8

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.29 AU - 5.15 AU

Year: 3948 Days

Day: 5.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,861,785 km

• M1: 99,483 km (0.03 R)
• M2: 376,239 km (0.081 R)
• M3: 751,281 km (0.107 R)
• M4: 1,093,261 km (0.097 R)
• M5: 1,472,342 km (0.119 R)
• M6: 1,989,951 km (0.102 R)
• M7: 3,999,050 km (0.115 R)
• M8: 5,004,647 km (0.037 R)
• M9: 5,392,405 km (0.042 R)
• M10: 5,661,980 km (0.105 R)
• M11: 6,199,037 km (0.114 R)
• M12: 7,083,609 km (0.091 R)
• M13: 7,775,050 km (0.097 R)
• M14: 10,365,038 km (0.118 R)
• M15: 10,867,687 km (0.079 R)
• M16: 11,786,517 km (0.112 R)
• M17: 13,139,031 km (0.032 R)
• M18: 13,529,781 km (0.072 R)
• M19: 14,853,124 km (0.045 R)
• M20: 15,492,206 km (0.116 R)
• M21: 15,873,381 km (0.072 R)
• M22: 17,873,954 km (0.109 R)
• M23: 18,414,301 km (0.072 R)
• M24: 18,903,785 km (0.112 R)
• M25: 19,908,634 km (0.119 R)
• M26: 22,299,358 km (0.084 R)
• M27: 23,349,535 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.6

Radius: 11.9

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.75 AU - 5.83 AU

Year: 4036 Days

Day: 15 Hours

Environment

Temp: -145 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,861,785 km

• M1: 147,952 km (0.113 R)
• M2: 530,624 km (0.097 R)
• M3: 1,439,281 km (0.108 R)
• M4: 2,291,690 km (0.099 R)
• M5: 3,277,989 km (0.1 R)
• M6: 3,657,518 km (0.087 R)
• M7: 4,127,405 km (0.081 R)
• M8: 4,908,157 km (0.112 R)
• M9: 7,292,298 km (0.111 R)
• M10: 8,235,363 km (0.061 R)
• M11: 8,839,140 km (0.082 R)
• M12: 9,293,469 km (0.045 R)
• M13: 9,985,508 km (0.082 R)
• M14: 10,987,814 km (0.092 R)
• M15: 13,012,771 km (0.096 R)
• M16: 14,398,197 km (0.115 R)
• M17: 14,832,479 km (0.071 R)
• M18: 15,828,801 km (0.073 R)
• M19: 17,515,068 km (0.09 R)
• M20: 19,493,201 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.5

Radius: 14.3

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.32 AU - 6.36 AU

Year: 4751 Days

Day: 6 Hours

Environment

Temp: -154 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,861,785 km

• M1: 178,769 km (0.115 R)
• M2: 820,544 km (0.052 R)
• M3: 1,270,834 km (0.107 R)
• M4: 2,014,335 km (0.039 R)
• M5: 2,607,341 km (0.116 R)
• M6: 3,158,310 km (0.114 R)
• M7: 4,865,222 km (0.063 R)
• M8: 5,896,699 km (0.119 R)
• M9: 6,439,590 km (0.094 R)
• M10: 9,275,517 km (0.058 R)
• M11: 10,254,336 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.8

Radius: 13.9

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.74 AU - 6.46 AU

Year: 5102 Days

Day: 7 Hours

Environment

Temp: -147 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,861,785 km

• M1: 172,935 km (0.059 R)
• M2: 690,394 km (0.028 R)
• M3: 1,227,899 km (0.094 R)
• M4: 1,961,677 km (0.061 R)
• M5: 3,589,601 km (0.106 R)
• M6: 6,338,911 km (0.106 R)
• M7: 7,470,918 km (0.063 R)
• M8: 7,952,473 km (0.038 R)
• M9: 8,613,397 km (0.074 R)
• M10: 9,060,395 km (0.055 R)
• M11: 10,541,264 km (0.102 R)
• M12: 11,484,629 km (0.102 R)
• M13: 12,586,716 km (0.081 R)
• M14: 14,034,225 km (0.093 R)
• M15: 14,827,094 km (0.041 R)
• M16: 15,352,631 km (0.057 R)
• M17: 17,386,265 km (0.118 R)
• M18: 19,248,160 km (0.1 R)
• M19: 20,657,072 km (0.074 R)
• M20: 22,666,920 km (0.094 R)
• M21: 30,401,279 km (0.025 R)
• M22: 32,897,769 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.8

Radius: 9.7

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.72 AU - 7.86 AU

Year: 6074 Days

Day: 9.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,861,785 km

• M1: 121,174 km (0.103 R)
• M2: 544,985 km (0.062 R)
• M3: 877,691 km (0.093 R)
• M4: 1,249,292 km (0.064 R)
• M5: 2,028,996 km (0.052 R)
• M6: 2,542,865 km (0.109 R)
• M7: 3,434,318 km (0.098 R)
• M8: 4,030,316 km (0.079 R)
• M9: 5,210,943 km (0.111 R)
• M10: 5,823,396 km (0.099 R)
• M11: 6,177,345 km (0.11 R)
• M12: 7,427,983 km (0.105 R)
• M13: 8,649,450 km (0.095 R)
• M14: 9,033,019 km (0.067 R)
• M15: 10,945,927 km (0.065 R)
• M16: 11,304,214 km (0.079 R)
• M17: 11,997,151 km (0.047 R)
• M18: 12,426,497 km (0.074 R)
• M19: 13,064,532 km (0.12 R)
• M20: 13,672,797 km (0.097 R)
• M21: 15,165,484 km (0.102 R)
• M22: 16,296,145 km (0.098 R)
• M23: 17,240,407 km (0.115 R)
• M24: 23,243,470 km (0.109 R)
• M25: 23,761,677 km (0.049 R)
• M26: 24,821,279 km (0.039 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.8

Radius: 13.5

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.32 AU - 11.58 AU

Year: 11185 Days

Day: 8 Hours

Environment

Temp: -184 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,861,785 km

• M1: 167,998 km (0.1 R)
• M2: 715,975 km (0.073 R)
• M3: 1,657,395 km (0.091 R)
• M4: 3,105,053 km (0.118 R)
• M5: 4,982,806 km (0.069 R)
• M6: 6,256,482 km (0.103 R)
• M7: 6,726,219 km (0.046 R)
• M8: 7,152,274 km (0.104 R)
• M9: 8,095,638 km (0.107 R)
• M10: 8,578,540 km (0.093 R)
• M11: 10,017,522 km (0.118 R)
• M12: 10,618,606 km (0.115 R)
• M13: 11,519,036 km (0.058 R)
• M14: 11,940,603 km (0.076 R)
• M15: 13,940,577 km (0.046 R)
• M16: 16,038,986 km (0.102 R)
• M17: 17,776,565 km (0.088 R)
• M18: 24,501,588 km (0.117 R)
• M19: 26,801,207 km (0.112 R)
• M20: 27,543,212 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.5

Radius: 7.8

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 9.5 AU - 13.5 AU

Year: 15015 Days

Day: 20.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,861,785 km

• M1: 96,939 km (0.114 R)
• M2: 424,559 km (0.093 R)
• M3: 808,128 km (0.104 R)
• M4: 1,452,147 km (0.068 R)
• M5: 2,974,155 km (0.065 R)
• M6: 4,478,661 km (0.117 R)
• M7: 5,183,716 km (0.098 R)
• M8: 6,395,907 km (0.079 R)
• M9: 7,008,660 km (0.101 R)
• M10: 8,575,399 km (0.025 R)
• M11: 16,062,623 km (0.036 R)
• M12: 16,762,741 km (0.042 R)
• M13: 21,903,223 km (0.045 R)
• M14: 23,826,154 km (0.072 R)
• M15: 24,828,759 km (0.095 R)
• M16: 26,049,477 km (0.076 R)
• M17: 42,224,298 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 11,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit