🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823

Radius: 14.5

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.03 AU - 1.25 AU

Year: 840 Days

Day: 12.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,754,265 km

• M1: 180,415 km (0.12 R)
• M2: 698,472 km (0.082 R)
• M3: 1,358,199 km (0.067 R)
• M4: 2,294,532 km (0.105 R)
• M5: 2,976,549 km (0.087 R)
• M6: 3,836,587 km (0.095 R)
• M7: 4,293,160 km (0.12 R)
• M8: 5,766,100 km (0.059 R)
• M9: 6,433,307 km (0.049 R)
• M10: 6,989,961 km (0.039 R)
• M11: 8,277,400 km (0.055 R)
• M12: 8,910,049 km (0.113 R)
• M13: 9,405,667 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.4

Radius: 10.2

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.19 AU - 1.35 AU

Year: 988 Days

Day: 13.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,754,265 km

• M1: 128,056 km (0.038 R)
• M2: 615,446 km (0.116 R)
• M3: 1,228,947 km (0.074 R)
• M4: 1,551,480 km (0.114 R)
• M5: 1,881,941 km (0.097 R)
• M6: 2,830,093 km (0.086 R)
• M7: 3,418,461 km (0.118 R)
• M8: 3,887,301 km (0.078 R)
• M9: 4,327,866 km (0.117 R)
• M10: 5,432,048 km (0.107 R)
• M11: 6,762,123 km (0.116 R)
• M12: 7,683,945 km (0.114 R)
• M13: 8,380,174 km (0.051 R)
• M14: 9,413,147 km (0.079 R)
• M15: 9,806,290 km (0.058 R)
• M16: 11,118,712 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537

Radius: 10.9

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.63 AU - 1.93 AU

Year: 1639 Days

Day: 12.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,754,265 km

• M1: 135,536 km (0.088 R)
• M2: 529,726 km (0.088 R)
• M3: 1,282,353 km (0.072 R)
• M4: 3,008,413 km (0.114 R)
• M5: 3,538,139 km (0.092 R)
• M6: 3,902,410 km (0.044 R)
• M7: 4,985,349 km (0.11 R)
• M8: 5,864,536 km (0.074 R)
• M9: 6,258,128 km (0.095 R)
• M10: 8,615,641 km (0.059 R)
• M11: 10,074,369 km (0.027 R)
• M12: 10,505,510 km (0.1 R)
• M13: 12,619,029 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.3

Radius: 8.8

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.92 AU - 2.14 AU

Year: 1996 Days

Day: 14.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,754,265 km

• M1: 113,395 km (0.09 R)
• M2: 526,884 km (0.099 R)
• M3: 990,637 km (0.079 R)
• M4: 3,016,491 km (0.106 R)
• M5: 3,319,278 km (0.073 R)
• M6: 3,765,229 km (0.111 R)
• M7: 4,150,294 km (0.111 R)
• M8: 8,894,940 km (0.096 R)
• M9: 9,845,784 km (0.114 R)
• M10: 10,361,298 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.9

Radius: 11.7

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.96 AU - 2.14 AU

Year: 2026 Days

Day: 8.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,754,265 km

• M1: 145,559 km (0.043 R)
• M2: 582,385 km (0.102 R)
• M3: 1,056,011 km (0.066 R)
• M4: 1,436,140 km (0.119 R)
• M5: 1,875,658 km (0.09 R)
• M6: 2,286,454 km (0.105 R)
• M7: 2,713,406 km (0.103 R)
• M8: 3,128,690 km (0.064 R)
• M9: 3,916,323 km (0.073 R)
• M10: 4,511,722 km (0.097 R)
• M11: 5,212,588 km (0.114 R)
• M12: 7,400,158 km (0.113 R)
• M13: 9,128,462 km (0.106 R)
• M14: 9,783,850 km (0.071 R)
• M15: 10,544,406 km (0.07 R)
• M16: 11,111,382 km (0.105 R)
• M17: 11,540,129 km (0.117 R)
• M18: 12,101,720 km (0.111 R)
• M19: 12,978,363 km (0.119 R)
• M20: 13,718,574 km (0.095 R)
• M21: 14,303,352 km (0.104 R)
• M22: 15,093,079 km (0.1 R)
• M23: 15,619,514 km (0.097 R)
• M24: 17,272,570 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.6

Radius: 9.1

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.77 AU - 3.19 AU

Year: 3551 Days

Day: 8.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,754,265 km

• M1: 113,246 km (0.073 R)
• M2: 443,258 km (0.04 R)
• M3: 793,766 km (0.062 R)
• M4: 1,199,925 km (0.026 R)
• M5: 1,742,217 km (0.086 R)
• M6: 2,235,740 km (0.065 R)
• M7: 2,641,300 km (0.091 R)
• M8: 3,407,391 km (0.104 R)
• M9: 3,883,860 km (0.055 R)
• M10: 5,531,381 km (0.051 R)
• M11: 6,539,671 km (0.028 R)
• M12: 7,731,966 km (0.091 R)
• M13: 8,102,819 km (0.111 R)
• M14: 9,026,586 km (0.093 R)
• M15: 9,399,982 km (0.115 R)
• M16: 11,082,210 km (0.111 R)
• M17: 11,554,192 km (0.105 R)
• M18: 12,400,766 km (0.11 R)
• M19: 13,576,904 km (0.047 R)
• M20: 14,167,218 km (0.069 R)
• M21: 18,370,020 km (0.071 R)
• M22: 20,337,681 km (0.103 R)
• M23: 21,570,218 km (0.056 R)
• M24: 22,577,909 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.1

Radius: 11

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.25 AU - 4.47 AU

Year: 5235 Days

Day: 11.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,754,265 km

• M1: 137,032 km (0.082 R)
• M2: 495,618 km (0.055 R)
• M3: 1,196,334 km (0.104 R)
• M4: 1,715,289 km (0.083 R)
• M5: 2,750,656 km (0.034 R)
• M6: 3,142,154 km (0.096 R)
• M7: 4,099,879 km (0.111 R)
• M8: 4,979,216 km (0.077 R)
• M9: 5,364,580 km (0.052 R)
• M10: 5,874,260 km (0.039 R)
• M11: 6,250,049 km (0.079 R)
• M12: 6,873,125 km (0.113 R)
• M13: 7,260,583 km (0.107 R)
• M14: 9,677,486 km (0.097 R)
• M15: 14,823,204 km (0.086 R)
• M16: 16,401,013 km (0.11 R)
• M17: 18,886,432 km (0.06 R)
• M18: 20,249,119 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.3

Radius: 14.9

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.42 AU - 6.64 AU

Year: 8976 Days

Day: 11.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,754,265 km

• M1: 341,532 km (0.033 R)
• M2: 1,123,929 km (0.102 R)
• M3: 1,836,314 km (0.106 R)
• M4: 2,840,415 km (0.056 R)
• M5: 3,584,814 km (0.057 R)
• M6: 4,539,996 km (0.079 R)
• M7: 5,063,290 km (0.035 R)
• M8: 5,562,049 km (0.086 R)
• M9: 6,372,420 km (0.09 R)
• M10: 7,774,901 km (0.051 R)
• M11: 9,146,563 km (0.063 R)
• M12: 9,747,947 km (0.081 R)
• M13: 10,674,257 km (0.07 R)
• M14: 11,605,354 km (0.113 R)
• M15: 12,987,638 km (0.072 R)
• M16: 14,851,029 km (0.093 R)
• M17: 15,618,317 km (0.106 R)
• M18: 16,479,103 km (0.094 R)
• M19: 19,028,849 km (0.117 R)
• M20: 20,242,537 km (0.073 R)
• M21: 22,159,185 km (0.089 R)
• M22: 23,076,968 km (0.106 R)
• M23: 24,988,529 km (0.039 R)
• M24: 27,286,502 km (0.042 R)
• M25: 34,355,899 km (0.116 R)
• M26: 42,431,491 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.9

Radius: 4.7

Gravity: 37.61 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.77 AU - 8.33 AU

Year: 14320 Days

Day: 22.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,754,265 km

• M1: 60,587 km (0.1 R)
• M2: 286,330 km (0.108 R)
• M3: 633,996 km (0.074 R)
• M4: 868,715 km (0.097 R)
• M5: 1,036,264 km (0.09 R)
• M6: 1,307,485 km (0.103 R)
• M7: 1,935,946 km (0.113 R)
• M8: 2,519,827 km (0.032 R)
• M9: 2,888,436 km (0.11 R)
• M10: 6,881,502 km (0.091 R)
• M11: 10,275,579 km (0.079 R)
• M12: 10,794,982 km (0.043 R)
• M13: 11,886,149 km (0.03 R)
• M14: 12,201,801 km (0.099 R)
• M15: 17,308,174 km (0.097 R)
• M16: 19,836,977 km (0.119 R)
• M17: 21,934,937 km (0.119 R)
• M18: 31,928,374 km (0.116 R)
• M19: 41,329,404 km (0.084 R)
• M20: 42,785,889 km (0.119 R)
• M21: 42,933,392 km (0.035 R)
• M22: 45,646,948 km (0.094 R)
• M23: 46,576,250 km (0.105 R)
• M24: 58,912,389 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.2

Radius: 4.6

Gravity: 38.67 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.69 AU - 10.65 AU

Year: 20756 Days

Day: 18 Hours

Environment

Temp: -238 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,754,265 km

• M1: 121,623 km (0.047 R)
• M2: 572,361 km (0.026 R)
• M3: 1,214,735 km (0.095 R)
• M4: 1,561,652 km (0.059 R)
• M5: 1,892,114 km (0.096 R)
• M6: 2,380,551 km (0.098 R)
• M7: 3,788,267 km (0.076 R)
• M8: 3,980,201 km (0.103 R)
• M9: 5,115,200 km (0.12 R)
• M10: 8,318,390 km (0.114 R)
• M11: 9,088,968 km (0.056 R)
• M12: 9,906,072 km (0.102 R)
• M13: 14,194,594 km (0.086 R)
• M14: 16,109,148 km (0.083 R)
• M15: 19,576,078 km (0.034 R)
• M16: 21,837,549 km (0.1 R)
• M17: 23,083,849 km (0.12 R)
• M18: 26,059,799 km (0.084 R)
• M19: 33,704,101 km (0.104 R)
• M20: 40,521,126 km (0.119 R)
• M21: 78,607,996 km (0.111 R)
• M22: 79,088,505 km (0.065 R)
• M23: 81,029,687 km (0.104 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 13,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit