🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.5

Radius: 8.2

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.97 AU - 1.57 AU

Year: 971 Days

Day: 8.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,489,274 km

• M1: 102,026 km (0.091 R)
• M2: 419,472 km (0.095 R)
• M3: 2,039,468 km (0.11 R)
• M4: 2,510,402 km (0.069 R)
• M5: 2,884,995 km (0.091 R)
• M6: 3,826,115 km (0.095 R)
• M7: 4,237,958 km (0.119 R)
• M8: 4,499,156 km (0.111 R)
• M9: 5,636,249 km (0.11 R)
• M10: 6,006,654 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.2

Radius: 8.8

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.14 AU - 1.56 AU

Year: 1064 Days

Day: 7.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,489,274 km

• M1: 110,403 km (0.055 R)
• M2: 384,616 km (0.072 R)
• M3: 669,750 km (0.112 R)
• M4: 1,066,334 km (0.086 R)
• M5: 1,445,265 km (0.044 R)
• M6: 1,773,632 km (0.072 R)
• M7: 2,090,331 km (0.037 R)
• M8: 2,478,986 km (0.095 R)
• M9: 2,979,990 km (0.117 R)
• M10: 3,756,552 km (0.11 R)
• M11: 4,504,541 km (0.047 R)
• M12: 5,251,783 km (0.043 R)
• M13: 5,726,158 km (0.11 R)
• M14: 6,293,732 km (0.044 R)
• M15: 7,689,181 km (0.077 R)
• M16: 8,068,112 km (0.085 R)
• M17: 8,565,974 km (0.117 R)
• M18: 9,974,288 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.4

Radius: 10.2

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.6 AU - 3.16 AU

Year: 3315 Days

Day: 6.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,489,274 km

• M1: 126,859 km (0.088 R)
• M2: 606,021 km (0.118 R)
• M3: 1,042,548 km (0.092 R)
• M4: 2,364,993 km (0.094 R)
• M5: 3,021,428 km (0.076 R)
• M6: 4,130,996 km (0.07 R)
• M7: 6,035,676 km (0.054 R)
• M8: 6,407,277 km (0.108 R)
• M9: 7,133,574 km (0.077 R)
• M10: 8,571,060 km (0.085 R)
• M11: 11,876,575 km (0.076 R)
• M12: 14,232,741 km (0.098 R)
• M13: 14,636,656 km (0.102 R)
• M14: 15,100,259 km (0.074 R)
• M15: 16,056,938 km (0.107 R)
• M16: 17,109,957 km (0.102 R)
• M17: 21,126,959 km (0.072 R)
• M18: 21,852,509 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.9

Radius: 9.5

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.5 AU - 3.58 AU

Year: 4517 Days

Day: 9.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,489,274 km

• M1: 119,977 km (0.107 R)
• M2: 437,723 km (0.111 R)
• M3: 772,523 km (0.079 R)
• M4: 1,543,252 km (0.083 R)
• M5: 2,657,606 km (0.04 R)
• M6: 3,029,058 km (0.113 R)
• M7: 5,353,509 km (0.119 R)
• M8: 6,339,958 km (0.1 R)
• M9: 6,652,019 km (0.091 R)
• M10: 8,222,348 km (0.111 R)
• M11: 8,822,534 km (0.077 R)
• M12: 9,371,259 km (0.105 R)
• M13: 19,502,326 km (0.091 R)
• M14: 20,433,723 km (0.041 R)
• M15: 23,037,773 km (0.067 R)
• M16: 23,479,835 km (0.099 R)
• M17: 25,461,707 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.8

Radius: 11.2

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.59 AU - 3.59 AU

Year: 4614 Days

Day: 6.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,489,274 km

• M1: 139,276 km (0.053 R)
• M2: 662,569 km (0.072 R)
• M3: 1,055,712 km (0.103 R)
• M4: 1,620,743 km (0.102 R)
• M5: 2,595,523 km (0.108 R)
• M6: 3,047,159 km (0.077 R)
• M7: 3,425,043 km (0.079 R)
• M8: 4,252,469 km (0.097 R)
• M9: 4,675,083 km (0.101 R)
• M10: 5,071,218 km (0.072 R)
• M11: 6,333,076 km (0.084 R)
• M12: 7,122,803 km (0.108 R)
• M13: 7,903,405 km (0.104 R)
• M14: 8,314,650 km (0.082 R)
• M15: 11,089,840 km (0.076 R)
• M16: 14,211,499 km (0.06 R)
• M17: 14,877,059 km (0.099 R)
• M18: 16,210,874 km (0.119 R)
• M19: 19,721,338 km (0.119 R)
• M20: 20,549,512 km (0.06 R)
• M21: 24,408,987 km (0.102 R)
• M22: 26,508,892 km (0.097 R)
• M23: 29,522,242 km (0.11 R)
• M24: 30,605,929 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.8

Radius: 10.9

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.97 AU - 4.01 AU

Year: 5406 Days

Day: 14.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,489,274 km

• M1: 154,535 km (0.113 R)
• M2: 546,032 km (0.088 R)
• M3: 1,193,342 km (0.082 R)
• M4: 1,654,702 km (0.092 R)
• M5: 2,379,653 km (0.11 R)
• M6: 2,790,449 km (0.097 R)
• M7: 3,248,667 km (0.103 R)
• M8: 3,860,523 km (0.101 R)
• M9: 5,340,494 km (0.078 R)
• M10: 5,937,390 km (0.062 R)
• M11: 6,638,854 km (0.075 R)
• M12: 9,419,131 km (0.032 R)
• M13: 9,928,212 km (0.043 R)
• M14: 10,873,970 km (0.063 R)
• M15: 11,788,911 km (0.115 R)
• M16: 12,944,255 km (0.118 R)
• M17: 13,623,280 km (0.105 R)
• M18: 16,411,335 km (0.093 R)
• M19: 18,327,684 km (0.068 R)
• M20: 18,936,697 km (0.114 R)
• M21: 20,518,545 km (0.084 R)
• M22: 22,739,026 km (0.101 R)
• M23: 23,088,935 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.1

Radius: 11.3

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.7 AU - 5.16 AU

Year: 6324 Days

Day: 14.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,489,274 km

• M1: 141,071 km (0.11 R)
• M2: 527,632 km (0.082 R)
• M3: 996,920 km (0.105 R)
• M4: 1,705,565 km (0.09 R)
• M5: 2,304,854 km (0.111 R)
• M6: 2,761,128 km (0.12 R)
• M7: 3,217,102 km (0.09 R)
• M8: 5,168,158 km (0.074 R)
• M9: 5,596,456 km (0.067 R)
• M10: 6,235,838 km (0.086 R)
• M11: 7,163,644 km (0.102 R)
• M12: 9,333,710 km (0.109 R)
• M13: 10,058,063 km (0.107 R)
• M14: 10,637,007 km (0.111 R)
• M15: 11,812,697 km (0.047 R)
• M16: 12,917,327 km (0.071 R)
• M17: 13,655,144 km (0.079 R)
• M18: 14,588,784 km (0.045 R)
• M19: 16,644,409 km (0.111 R)
• M20: 20,748,028 km (0.067 R)
• M21: 24,118,019 km (0.111 R)
• M22: 25,891,502 km (0.062 R)
• M23: 26,894,556 km (0.11 R)
• M24: 30,426,113 km (0.044 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.5

Radius: 5

Gravity: 39.34 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.89 AU - 8.01 AU

Year: 11110 Days

Day: 21.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 45,489,274 km

• M1: 62,233 km (0.116 R)
• M2: 224,546 km (0.088 R)
• M3: 411,544 km (0.098 R)
• M4: 591,211 km (0.086 R)
• M5: 823,835 km (0.088 R)
• M6: 1,228,199 km (0.098 R)
• M7: 1,417,739 km (0.099 R)
• M8: 2,698,596 km (0.069 R)
• M9: 2,926,434 km (0.115 R)
• M10: 3,911,536 km (0.103 R)
• M11: 4,324,575 km (0.055 R)
• M12: 4,605,221 km (0.042 R)
• M13: 5,629,069 km (0.074 R)
• M14: 6,001,717 km (0.03 R)
• M15: 7,793,899 km (0.089 R)
• M16: 8,209,782 km (0.109 R)
• M17: 9,390,707 km (0.092 R)
• M18: 9,968,155 km (0.057 R)
• M19: 10,129,571 km (0.112 R)
• M20: 11,078,022 km (0.026 R)
• M21: 14,141,188 km (0.097 R)
• M22: 16,721,152 km (0.12 R)
• M23: 17,256,862 km (0.078 R)
• M24: 18,932,658 km (0.071 R)
• M25: 22,882,789 km (0.098 R)
• M26: 23,258,430 km (0.079 R)
• M27: 23,829,594 km (0.112 R)
• M28: 25,800,995 km (0.076 R)
• M29: 32,599,171 km (0.055 R)
• M30: 41,049,506 km (0.085 R)
• M31: 42,586,325 km (0.105 R)
• M32: 44,306,252 km (0.112 R)
• M33: 46,370,553 km (0.1 R)
• M34: 54,266,328 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.1

Radius: 7.2

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.48 AU - 7.74 AU

Year: 12859 Days

Day: 22.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,489,274 km

• M1: 89,609 km (0.068 R)
• M2: 376,987 km (0.065 R)
• M3: 740,958 km (0.105 R)
• M4: 1,064,987 km (0.068 R)
• M5: 2,426,627 km (0.104 R)
• M6: 4,309,915 km (0.106 R)
• M7: 5,529,436 km (0.116 R)
• M8: 6,696,599 km (0.041 R)
• M9: 7,119,811 km (0.088 R)
• M10: 8,947,598 km (0.046 R)
• M11: 9,604,632 km (0.107 R)
• M12: 10,143,035 km (0.115 R)
• M13: 11,014,592 km (0.117 R)
• M14: 11,333,834 km (0.116 R)
• M15: 11,769,014 km (0.07 R)
• M16: 12,672,884 km (0.098 R)
• M17: 15,264,668 km (0.058 R)
• M18: 20,815,945 km (0.091 R)
• M19: 23,421,491 km (0.078 R)
• M20: 29,677,226 km (0.093 R)
• M21: 31,239,626 km (0.113 R)
• M22: 33,629,153 km (0.088 R)
• M23: 33,964,252 km (0.09 R)
• M24: 37,918,273 km (0.075 R)
• M25: 41,268,817 km (0.102 R)
• M26: 41,524,629 km (0.077 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 14,959 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit