🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.6

Radius: 12.6

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.56 AU - 0.76 AU

Year: 377 Days

Day: 14.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 35,531,134 km

• M1: 156,779 km (0.103 R)
• M2: 609,013 km (0.094 R)
• M3: 1,721,273 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.4

Radius: 14.4

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.61 AU - 0.83 AU

Year: 429 Days

Day: 8.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,531,134 km

• M1: 179,817 km (0.107 R)
• M2: 678,277 km (0.096 R)
• M3: 1,321,548 km (0.092 R)
• M4: 1,960,330 km (0.108 R)
• M5: 2,565,753 km (0.037 R)
• M6: 3,525,723 km (0.089 R)
• M7: 4,257,705 km (0.064 R)
• M8: 5,301,001 km (0.114 R)
• M9: 5,972,845 km (0.115 R)
• M10: 6,470,706 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.7

Radius: 11.1

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.2 AU - 1.8 AU

Year: 1291 Days

Day: 14.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,531,134 km

• M1: 138,079 km (0.095 R)
• M2: 1,097,450 km (0.119 R)
• M3: 1,506,002 km (0.094 R)
• M4: 2,065,049 km (0.108 R)
• M5: 2,782,670 km (0.111 R)
• M6: 4,210,432 km (0.091 R)
• M7: 5,913,753 km (0.067 R)
• M8: 6,762,871 km (0.097 R)
• M9: 7,475,406 km (0.055 R)
• M10: 8,262,590 km (0.111 R)
• M11: 8,755,664 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254

Radius: 12.2

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.42 AU - 1.64 AU

Year: 1330 Days

Day: 11.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,531,134 km

• M1: 151,842 km (0.094 R)
• M2: 543,040 km (0.116 R)
• M3: 1,021,753 km (0.079 R)
• M4: 1,413,849 km (0.086 R)
• M5: 2,336,719 km (0.043 R)
• M6: 3,541,580 km (0.116 R)
• M7: 4,945,107 km (0.119 R)
• M8: 6,163,731 km (0.089 R)
• M9: 6,647,531 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.7

Radius: 12

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.63 AU - 2.27 AU

Year: 1914 Days

Day: 5.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,531,134 km

• M1: 149,299 km (0.109 R)
• M2: 558,150 km (0.12 R)
• M3: 1,023,249 km (0.101 R)
• M4: 1,750,893 km (0.11 R)
• M5: 2,299,768 km (0.07 R)
• M6: 2,872,429 km (0.084 R)
• M7: 5,157,985 km (0.073 R)
• M8: 5,947,413 km (0.074 R)
• M9: 7,004,771 km (0.109 R)
• M10: 7,943,497 km (0.112 R)
• M11: 8,677,724 km (0.095 R)
• M12: 9,126,368 km (0.114 R)
• M13: 9,523,400 km (0.062 R)
• M14: 10,930,817 km (0.066 R)
• M15: 11,878,370 km (0.061 R)
• M16: 12,392,239 km (0.038 R)
• M17: 13,720,668 km (0.091 R)
• M18: 14,198,633 km (0.117 R)
• M19: 15,652,425 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.6

Radius: 9.4

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.75 AU - 2.55 AU

Year: 2216 Days

Day: 6 Hours

Environment

Temp: -208 °C

Axial Tilt: 154.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,531,134 km

• M1: 117,135 km (0.12 R)
• M2: 1,031,926 km (0.118 R)
• M3: 1,445,415 km (0.099 R)
• M4: 1,977,085 km (0.098 R)
• M5: 2,892,026 km (0.097 R)
• M6: 3,870,845 km (0.108 R)
• M7: 4,692,885 km (0.101 R)
• M8: 5,401,231 km (0.114 R)
• M9: 6,985,473 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.1

Radius: 12

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.09 AU - 2.41 AU

Year: 2372 Days

Day: 7.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,531,134 km

• M1: 149,299 km (0.087 R)
• M2: 686,355 km (0.068 R)
• M3: 1,239,718 km (0.103 R)
• M4: 1,867,131 km (0.103 R)
• M5: 2,779,828 km (0.115 R)
• M6: 3,368,944 km (0.03 R)
• M7: 4,239,753 km (0.072 R)
• M8: 4,679,122 km (0.074 R)
• M9: 5,428,009 km (0.111 R)
• M10: 6,064,398 km (0.081 R)
• M11: 6,981,284 km (0.053 R)
• M12: 8,305,524 km (0.071 R)
• M13: 9,660,582 km (0.105 R)
• M14: 10,323,151 km (0.11 R)
• M15: 10,945,179 km (0.113 R)
• M16: 11,665,492 km (0.074 R)
• M17: 12,532,711 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.4

Radius: 11.1

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.66 AU - 3.5 AU

Year: 3800 Days

Day: 7.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,531,134 km

• M1: 138,228 km (0.11 R)
• M2: 533,167 km (0.08 R)
• M3: 1,255,725 km (0.092 R)
• M4: 2,008,800 km (0.11 R)
• M5: 2,394,314 km (0.068 R)
• M6: 3,108,793 km (0.091 R)
• M7: 3,762,835 km (0.04 R)
• M8: 5,320,598 km (0.112 R)
• M9: 5,698,482 km (0.115 R)
• M10: 6,452,156 km (0.101 R)
• M11: 7,179,950 km (0.086 R)
• M12: 9,044,089 km (0.106 R)
• M13: 9,657,590 km (0.06 R)
• M14: 10,107,281 km (0.088 R)
• M15: 10,807,997 km (0.052 R)
• M16: 11,170,323 km (0.117 R)
• M17: 13,105,521 km (0.058 R)
• M18: 14,905,932 km (0.112 R)
• M19: 15,355,473 km (0.076 R)
• M20: 16,758,552 km (0.113 R)
• M21: 20,058,681 km (0.038 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.3

Radius: 8

Gravity: 14.54 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.65 AU - 4.21 AU

Year: 5476 Days

Day: 9.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 35,531,134 km

• M1: 99,483 km (0.075 R)
• M2: 553,512 km (0.038 R)
• M3: 820,395 km (0.112 R)
• M4: 1,175,540 km (0.087 R)
• M5: 1,592,769 km (0.036 R)
• M6: 2,185,176 km (0.108 R)
• M7: 2,435,753 km (0.095 R)
• M8: 2,687,227 km (0.087 R)
• M9: 3,036,089 km (0.072 R)
• M10: 3,593,490 km (0.038 R)
• M11: 3,896,725 km (0.113 R)
• M12: 4,771,873 km (0.103 R)
• M13: 5,226,501 km (0.106 R)
• M14: 6,059,013 km (0.111 R)
• M15: 7,012,699 km (0.08 R)
• M16: 7,525,371 km (0.035 R)
• M17: 7,984,637 km (0.044 R)
• M18: 8,341,128 km (0.118 R)
• M19: 9,001,304 km (0.1 R)
• M20: 9,562,894 km (0.104 R)
• M21: 9,919,984 km (0.092 R)
• M22: 10,378,801 km (0.108 R)
• M23: 11,191,267 km (0.108 R)
• M24: 12,200,604 km (0.113 R)
• M25: 13,490,287 km (0.086 R)
• M26: 14,341,200 km (0.116 R)
• M27: 14,809,292 km (0.116 R)
• M28: 18,037,165 km (0.099 R)
• M29: 18,376,902 km (0.09 R)
• M30: 18,651,713 km (0.113 R)
• M31: 23,673,564 km (0.073 R)
• M32: 24,327,606 km (0.091 R)
• M33: 26,711,897 km (0.115 R)
• M34: 31,939,445 km (0.068 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 19,085 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit