🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.3

Radius: 14.2

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.6 AU - 0.62 AU

Year: 329 Days

Day: 7.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 61,756,676 km

• M1: 177,872 km (0.077 R)
• M2: 651,200 km (0.076 R)
• M3: 1,448,257 km (0.098 R)
• M4: 1,939,387 km (0.055 R)
• M5: 2,381,000 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.7

Radius: 8.4

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.97 AU - 1.21 AU

Year: 786 Days

Day: 8.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,756,676 km

• M1: 104,419 km (0.091 R)
• M2: 387,159 km (0.061 R)
• M3: 693,685 km (0.04 R)
• M4: 1,244,056 km (0.114 R)
• M5: 2,093,173 km (0.065 R)
• M6: 2,519,976 km (0.117 R)
• M7: 2,799,126 km (0.11 R)
• M8: 3,142,004 km (0.089 R)
• M9: 3,548,013 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.1

Radius: 13.3

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.09 AU - 1.81 AU

Year: 1205 Days

Day: 5.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,756,676 km

• M1: 165,455 km (0.067 R)
• M2: 702,362 km (0.115 R)
• M3: 1,500,317 km (0.101 R)
• M4: 1,932,505 km (0.037 R)
• M5: 2,478,089 km (0.112 R)
• M6: 3,207,079 km (0.09 R)
• M7: 4,006,381 km (0.093 R)
• M8: 4,565,278 km (0.088 R)
• M9: 6,465,620 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.3

Radius: 14.4

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.44 AU - 1.86 AU

Year: 1463 Days

Day: 13.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 61,756,676 km

• M1: 181,462 km (0.066 R)
• M2: 1,116,599 km (0.098 R)
• M3: 1,815,221 km (0.098 R)
• M4: 2,812,590 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.1

Radius: 9.5

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.66 AU - 1.66 AU

Year: 1476 Days

Day: 12 Hours

Environment

Temp: -192 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,756,676 km

• M1: 126,111 km (0.106 R)
• M2: 430,692 km (0.116 R)
• M3: 768,035 km (0.09 R)
• M4: 1,235,230 km (0.095 R)
• M5: 1,597,855 km (0.103 R)
• M6: 1,936,544 km (0.077 R)
• M7: 2,631,127 km (0.03 R)
• M8: 3,254,502 km (0.033 R)
• M9: 4,379,627 km (0.049 R)
• M10: 5,132,404 km (0.051 R)
• M11: 5,550,530 km (0.051 R)
• M12: 7,069,247 km (0.036 R)
• M13: 8,131,392 km (0.085 R)
• M14: 8,441,359 km (0.105 R)
• M15: 10,143,932 km (0.097 R)
• M16: 11,248,264 km (0.117 R)
• M17: 12,064,171 km (0.041 R)
• M18: 12,542,435 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133

Radius: 11.7

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.54 AU - 2.38 AU

Year: 1894 Days

Day: 6.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,756,676 km

• M1: 145,559 km (0.09 R)
• M2: 558,898 km (0.035 R)
• M3: 1,129,314 km (0.084 R)
• M4: 1,509,592 km (0.103 R)
• M5: 1,995,636 km (0.114 R)
• M6: 2,747,215 km (0.077 R)
• M7: 3,195,859 km (0.105 R)
• M8: 4,723,403 km (0.104 R)
• M9: 5,167,260 km (0.073 R)
• M10: 5,875,456 km (0.113 R)
• M11: 6,625,690 km (0.032 R)
• M12: 7,252,355 km (0.097 R)
• M13: 7,967,283 km (0.061 R)
• M14: 8,495,214 km (0.052 R)
• M15: 9,019,704 km (0.039 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.8

Radius: 14

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.4 AU - 3.92 AU

Year: 3877 Days

Day: 9.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,756,676 km

• M1: 174,132 km (0.109 R)
• M2: 707,149 km (0.061 R)
• M3: 1,200,074 km (0.065 R)
• M4: 2,080,009 km (0.077 R)
• M5: 2,943,189 km (0.114 R)
• M6: 3,598,876 km (0.088 R)
• M7: 4,158,522 km (0.098 R)
• M8: 5,328,826 km (0.118 R)
• M9: 5,764,604 km (0.03 R)
• M10: 7,341,366 km (0.059 R)
• M11: 7,850,148 km (0.105 R)
• M12: 8,588,115 km (0.03 R)
• M13: 9,262,352 km (0.086 R)
• M14: 9,895,301 km (0.107 R)
• M15: 11,753,905 km (0.1 R)
• M16: 13,131,402 km (0.076 R)
• M17: 14,663,733 km (0.052 R)
• M18: 19,012,543 km (0.077 R)
• M19: 20,344,712 km (0.089 R)
• M20: 21,415,982 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748

Radius: 13.4

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.57 AU - 3.95 AU

Year: 4063 Days

Day: 6.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,756,676 km

• M1: 166,652 km (0.102 R)
• M2: 782,995 km (0.065 R)
• M3: 1,787,545 km (0.101 R)
• M4: 3,087,251 km (0.056 R)
• M5: 3,673,675 km (0.08 R)
• M6: 7,591,045 km (0.114 R)
• M7: 8,553,557 km (0.095 R)
• M8: 9,879,593 km (0.102 R)
• M9: 10,895,363 km (0.112 R)
• M10: 11,383,650 km (0.115 R)
• M11: 11,886,448 km (0.06 R)
• M12: 12,741,400 km (0.048 R)
• M13: 14,048,138 km (0.066 R)
• M14: 14,787,899 km (0.115 R)
• M15: 16,059,481 km (0.096 R)
• M16: 16,751,222 km (0.11 R)
• M17: 19,718,795 km (0.079 R)
• M18: 20,378,521 km (0.096 R)
• M19: 22,375,354 km (0.072 R)
• M20: 22,948,463 km (0.04 R)
• M21: 24,802,729 km (0.095 R)
• M22: 26,277,464 km (0.091 R)
• M23: 26,915,499 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 340.4

Radius: 4.2

Gravity: 19.3 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 6.3 AU - 7.56 AU

Year: 12592 Days

Day: 24.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,756,676 km

• M1: 52,210 km (0.077 R)
• M2: 265,686 km (0.089 R)
• M3: 411,394 km (0.073 R)
• M4: 1,210,696 km (0.093 R)
• M5: 1,369,569 km (0.085 R)
• M6: 1,542,354 km (0.087 R)
• M7: 1,836,763 km (0.118 R)
• M8: 2,292,139 km (0.113 R)
• M9: 2,798,378 km (0.102 R)
• M10: 2,968,171 km (0.117 R)
• M11: 3,328,403 km (0.112 R)
• M12: 4,356,589 km (0.107 R)
• M13: 4,643,368 km (0.07 R)
• M14: 5,383,279 km (0.093 R)
• M15: 5,747,401 km (0.08 R)
• M16: 5,918,241 km (0.055 R)
• M17: 7,171,273 km (0.097 R)
• M18: 8,459,012 km (0.116 R)
• M19: 12,308,913 km (0.11 R)
• M20: 12,998,110 km (0.114 R)
• M21: 15,812,645 km (0.109 R)
• M22: 16,284,027 km (0.063 R)
• M23: 16,973,674 km (0.071 R)
• M24: 20,477,405 km (0.058 R)
• M25: 21,118,133 km (0.11 R)
• M26: 23,120,501 km (0.095 R)
• M27: 23,379,454 km (0.071 R)
• M28: 24,792,855 km (0.071 R)
• M29: 28,474,608 km (0.072 R)
• M30: 34,937,685 km (0.076 R)
• M31: 37,252,263 km (0.074 R)
• M32: 38,326,526 km (0.098 R)
• M33: 40,536,385 km (0.077 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.2

Radius: 7.8

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.16 AU - 10.1 AU

Year: 16001 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,756,676 km

• M1: 97,239 km (0.084 R)
• M2: 1,155,943 km (0.079 R)
• M3: 1,554,621 km (0.067 R)
• M4: 1,812,229 km (0.027 R)
• M5: 2,333,128 km (0.104 R)
• M6: 2,832,336 km (0.065 R)
• M7: 3,427,287 km (0.107 R)
• M8: 4,132,641 km (0.071 R)
• M9: 6,831,237 km (0.113 R)
• M10: 7,262,677 km (0.034 R)
• M11: 7,712,369 km (0.111 R)
• M12: 8,276,203 km (0.12 R)
• M13: 9,328,774 km (0.087 R)
• M14: 9,806,140 km (0.062 R)
• M15: 10,695,051 km (0.106 R)
• M16: 12,127,600 km (0.098 R)
• M17: 14,369,773 km (0.117 R)
• M18: 14,721,178 km (0.106 R)
• M19: 18,066,785 km (0.099 R)
• M20: 19,828,899 km (0.08 R)
• M21: 22,540,809 km (0.109 R)
• M22: 26,423,023 km (0.089 R)
• M23: 27,485,916 km (0.082 R)
• M24: 31,904,139 km (0.108 R)
• M25: 33,353,294 km (0.084 R)
• M26: 35,225,960 km (0.102 R)
• M27: 39,315,966 km (0.073 R)
• M28: 41,973,273 km (0.107 R)
• M29: 44,153,961 km (0.079 R)
• M30: 45,347,303 km (0.087 R)
• M31: 49,693,421 km (0.047 R)
• M32: 50,014,009 km (0.092 R)
• M33: 50,659,524 km (0.035 R)
• M34: 58,130,591 km (0.105 R)
• M35: 60,470,900 km (0.074 R)
• M36: 61,203,331 km (0.078 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: 522 - 20,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit