🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.3

Radius: 11.7

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.61 AU - 0.67 AU

Year: 353 Days

Day: 10.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,431,556 km

• M1: 145,559 km (0.111 R)
• M2: 667,655 km (0.057 R)
• M3: 1,075,758 km (0.096 R)
• M4: 1,595,312 km (0.1 R)
• M5: 2,010,595 km (0.091 R)
• M6: 2,535,235 km (0.071 R)
• M7: 3,033,845 km (0.047 R)
• M8: 3,413,524 km (0.06 R)
• M9: 3,800,534 km (0.091 R)
• M10: 4,734,473 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.5

Radius: 12.8

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.73 AU - 0.75 AU

Year: 439 Days

Day: 6.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,431,556 km

• M1: 159,621 km (0.098 R)
• M2: 617,989 km (0.091 R)
• M3: 1,154,148 km (0.043 R)
• M4: 1,766,152 km (0.047 R)
• M5: 2,200,734 km (0.118 R)
• M6: 2,914,615 km (0.044 R)
• M7: 3,468,726 km (0.093 R)
• M8: 3,919,913 km (0.085 R)
• M9: 4,424,806 km (0.119 R)
• M10: 5,144,222 km (0.067 R)
• M11: 5,683,223 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.7

Radius: 12

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.66 AU - 1.04 AU

Year: 541 Days

Day: 8.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,431,556 km

• M1: 149,299 km (0.074 R)
• M2: 566,078 km (0.112 R)
• M3: 939,175 km (0.12 R)
• M4: 1,549,086 km (0.1 R)
• M5: 2,021,815 km (0.088 R)
• M6: 2,520,126 km (0.082 R)
• M7: 2,897,112 km (0.116 R)
• M8: 3,348,449 km (0.086 R)
• M9: 3,873,538 km (0.096 R)
• M10: 5,009,135 km (0.09 R)
• M11: 5,611,117 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.2

Radius: 8.4

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.06 AU - 2.82 AU

Year: 2631 Days

Day: 5.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,431,556 km

• M1: 106,813 km (0.083 R)
• M2: 460,612 km (0.057 R)
• M3: 860,337 km (0.102 R)
• M4: 1,677,142 km (0.113 R)
• M5: 2,437,249 km (0.084 R)
• M6: 3,123,604 km (0.114 R)
• M7: 4,310,513 km (0.086 R)
• M8: 4,993,876 km (0.03 R)
• M9: 5,747,401 km (0.102 R)
• M10: 7,077,475 km (0.076 R)
• M11: 7,830,701 km (0.109 R)
• M12: 8,952,236 km (0.071 R)
• M13: 11,980,097 km (0.109 R)
• M14: 12,506,532 km (0.073 R)
• M15: 14,867,485 km (0.105 R)
• M16: 20,762,838 km (0.106 R)

Asteroid Belt

Center: 3.34 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.8

Radius: 8.7

Gravity: 11.62 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.05 AU - 4.43 AU

Year: 6026 Days

Day: 12.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 103.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,431,556 km

• M1: 125,812 km (0.037 R)
• M2: 601,683 km (0.071 R)
• M3: 1,089,072 km (0.095 R)
• M4: 1,440,179 km (0.075 R)
• M5: 2,031,689 km (0.091 R)
• M6: 2,375,315 km (0.093 R)
• M7: 2,738,239 km (0.069 R)
• M8: 3,418,760 km (0.057 R)
• M9: 6,513,491 km (0.073 R)
• M10: 7,759,492 km (0.055 R)
• M11: 8,772,120 km (0.104 R)
• M12: 9,070,867 km (0.078 R)
• M13: 9,779,213 km (0.104 R)
• M14: 11,457,103 km (0.07 R)
• M15: 14,000,566 km (0.085 R)
• M16: 14,646,230 km (0.103 R)
• M17: 15,933,669 km (0.045 R)
• M18: 18,592,023 km (0.108 R)
• M19: 19,879,463 km (0.118 R)
• M20: 21,687,203 km (0.097 R)
• M21: 25,110,003 km (0.118 R)
• M22: 26,859,699 km (0.118 R)
• M23: 30,600,544 km (0.082 R)
• M24: 32,088,594 km (0.062 R)
• M25: 32,697,008 km (0.041 R)
• M26: 33,728,186 km (0.093 R)
• M27: 35,855,468 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.9

Radius: 14.6

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.92 AU - 6 AU

Year: 7625 Days

Day: 10.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,431,556 km

• M1: 181,612 km (0.114 R)
• M2: 671,694 km (0.087 R)
• M3: 1,566,589 km (0.108 R)
• M4: 2,545,857 km (0.09 R)
• M5: 4,770,975 km (0.072 R)
• M6: 5,388,067 km (0.087 R)
• M7: 6,361,949 km (0.087 R)
• M8: 10,326,591 km (0.112 R)
• M9: 10,861,254 km (0.104 R)
• M10: 11,465,630 km (0.055 R)
• M11: 12,686,947 km (0.111 R)
• M12: 13,187,800 km (0.101 R)
• M13: 14,648,923 km (0.113 R)
• M14: 15,513,150 km (0.117 R)
• M15: 17,006,286 km (0.089 R)
• M16: 19,680,497 km (0.097 R)
• M17: 22,301,003 km (0.1 R)
• M18: 26,206,106 km (0.088 R)
• M19: 27,111,772 km (0.084 R)
• M20: 28,132,029 km (0.073 R)
• M21: 29,758,906 km (0.112 R)
• M22: 30,446,607 km (0.112 R)
• M23: 31,854,174 km (0.078 R)
• M24: 32,367,145 km (0.115 R)
• M25: 34,046,082 km (0.106 R)
• M26: 38,380,830 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.3

Radius: 8.1

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.98 AU - 5.26 AU

Year: 7997 Days

Day: 7.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 113.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,431,556 km

• M1: 100,829 km (0.073 R)
• M2: 598,541 km (0.071 R)
• M3: 863,329 km (0.099 R)
• M4: 1,434,344 km (0.104 R)
• M5: 1,745,957 km (0.11 R)
• M6: 2,348,238 km (0.037 R)
• M7: 3,047,757 km (0.058 R)
• M8: 4,294,057 km (0.087 R)
• M9: 6,173,904 km (0.108 R)
• M10: 6,566,748 km (0.064 R)
• M11: 6,916,658 km (0.096 R)
• M12: 7,846,408 km (0.1 R)
• M13: 9,725,956 km (0.063 R)
• M14: 12,059,084 km (0.078 R)
• M15: 13,217,121 km (0.083 R)
• M16: 15,292,194 km (0.105 R)
• M17: 15,907,938 km (0.096 R)
• M18: 16,970,831 km (0.07 R)
• M19: 17,686,657 km (0.06 R)
• M20: 20,443,297 km (0.059 R)
• M21: 20,814,599 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.4

Radius: 4.6

Gravity: 17.36 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.12 AU - 8.12 AU

Year: 14519 Days

Day: 15 Hours

Environment

Temp: -232 °C

Axial Tilt: 66.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,431,556 km

• M1: 57,146 km (0.116 R)
• M2: 209,287 km (0.088 R)
• M3: 404,812 km (0.108 R)
• M4: 625,319 km (0.11 R)
• M5: 1,060,948 km (0.116 R)
• M6: 1,431,053 km (0.059 R)
• M7: 2,307,697 km (0.062 R)
• M8: 3,570,901 km (0.062 R)
• M9: 6,442,881 km (0.071 R)
• M10: 6,989,961 km (0.084 R)
• M11: 7,233,655 km (0.101 R)
• M12: 9,391,904 km (0.12 R)
• M13: 9,789,086 km (0.115 R)
• M14: 12,529,270 km (0.112 R)
• M15: 13,255,568 km (0.109 R)
• M16: 14,659,395 km (0.087 R)
• M17: 16,801,636 km (0.112 R)
• M18: 18,519,618 km (0.114 R)
• M19: 19,862,259 km (0.119 R)
• M20: 22,651,511 km (0.102 R)
• M21: 26,564,692 km (0.068 R)
• M22: 30,797,115 km (0.069 R)
• M23: 31,232,595 km (0.115 R)
• M24: 31,451,905 km (0.093 R)
• M25: 33,701,558 km (0.108 R)
• M26: 36,176,804 km (0.086 R)
• M27: 37,396,925 km (0.098 R)
• M28: 37,644,210 km (0.11 R)
• M29: 37,892,692 km (0.061 R)
• M30: 38,644,272 km (0.087 R)
• M31: 39,150,960 km (0.067 R)
• M32: 40,048,098 km (0.034 R)
• M33: 40,958,999 km (0.06 R)
• M34: 41,485,584 km (0.049 R)
• M35: 42,150,247 km (0.079 R)
• M36: 46,145,558 km (0.116 R)
• M37: 46,430,093 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.4

Radius: 3

Gravity: 63.71 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.95 AU - 8.95 AU

Year: 15473 Days

Day: 23.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,431,556 km

• M1: 37,549 km (0.069 R)
• M2: 139,126 km (0.075 R)
• M3: 303,684 km (0.11 R)
• M4: 1,161,179 km (0.093 R)
• M5: 4,839,042 km (0.041 R)
• M6: 5,467,653 km (0.103 R)
• M7: 5,763,856 km (0.112 R)
• M8: 6,633,319 km (0.087 R)
• M9: 7,186,233 km (0.116 R)
• M10: 7,496,349 km (0.107 R)
• M11: 7,632,035 km (0.083 R)
• M12: 10,473,945 km (0.071 R)
• M13: 14,085,537 km (0.049 R)
• M14: 15,355,473 km (0.102 R)
• M15: 16,776,653 km (0.108 R)
• M16: 19,027,204 km (0.12 R)
• M17: 20,575,542 km (0.098 R)
• M18: 27,288,297 km (0.101 R)
• M19: 27,824,755 km (0.027 R)
• M20: 28,587,405 km (0.043 R)
• M21: 33,580,982 km (0.071 R)
• M22: 38,184,109 km (0.101 R)
• M23: 39,125,378 km (0.118 R)
• M24: 44,064,651 km (0.108 R)
• M25: 47,527,094 km (0.094 R)
• M26: 48,147,177 km (0.079 R)
• M27: 51,654,499 km (0.045 R)
• M28: 55,157,483 km (0.073 R)
• M29: 55,328,174 km (0.093 R)
• M30: 57,228,665 km (0.075 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 17,895 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit