🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.6

Radius: 8.6

Gravity: 9.73 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.71 AU - 1.03 AU

Year: 560 Days

Day: 9.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,472,341 km

• M1: 106,962 km (0.116 R)
• M2: 434,731 km (0.092 R)
• M3: 1,528,142 km (0.119 R)
• M4: 2,072,379 km (0.115 R)
• M5: 2,548,101 km (0.046 R)
• M6: 3,650,786 km (0.047 R)
• M7: 4,717,868 km (0.085 R)
• M8: 6,055,423 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.1

Radius: 13.5

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.96 AU - 2.16 AU

Year: 2041 Days

Day: 12.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,472,341 km

• M1: 172,038 km (0.099 R)
• M2: 735,722 km (0.109 R)
• M3: 1,549,984 km (0.03 R)
• M4: 2,064,899 km (0.046 R)
• M5: 2,578,918 km (0.104 R)
• M6: 3,749,970 km (0.112 R)
• M7: 4,456,072 km (0.083 R)
• M8: 5,065,234 km (0.102 R)
• M9: 5,534,074 km (0.035 R)
• M10: 6,031,936 km (0.063 R)
• M11: 6,935,956 km (0.052 R)
• M12: 8,102,669 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.6

Radius: 9

Gravity: 12.19 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.74 AU - 2.76 AU

Year: 2330 Days

Day: 9.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,472,341 km

• M1: 116,387 km (0.067 R)
• M2: 466,147 km (0.115 R)
• M3: 831,465 km (0.042 R)
• M4: 1,239,568 km (0.037 R)
• M5: 1,548,338 km (0.085 R)
• M6: 2,816,629 km (0.046 R)
• M7: 3,430,728 km (0.097 R)
• M8: 5,137,789 km (0.046 R)
• M9: 7,015,991 km (0.076 R)
• M10: 7,471,516 km (0.108 R)
• M11: 8,921,867 km (0.095 R)
• M12: 11,897,369 km (0.107 R)
• M13: 12,197,014 km (0.099 R)
• M14: 12,545,577 km (0.031 R)
• M15: 14,006,849 km (0.118 R)
• M16: 18,151,308 km (0.069 R)
• M17: 18,434,646 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.9

Radius: 10.6

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.12 AU - 2.76 AU

Year: 2631 Days

Day: 10.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,472,341 km

• M1: 131,796 km (0.099 R)
• M2: 697,276 km (0.093 R)
• M3: 1,037,312 km (0.12 R)
• M4: 1,462,020 km (0.115 R)
• M5: 1,927,868 km (0.026 R)
• M6: 3,042,372 km (0.106 R)
• M7: 3,521,683 km (0.098 R)
• M8: 4,587,419 km (0.083 R)
• M9: 5,026,638 km (0.053 R)
• M10: 6,016,378 km (0.083 R)
• M11: 6,430,016 km (0.117 R)
• M12: 7,469,422 km (0.12 R)
• M13: 9,288,083 km (0.064 R)
• M14: 11,762,581 km (0.03 R)
• M15: 12,323,125 km (0.054 R)
• M16: 12,856,291 km (0.103 R)
• M17: 15,346,797 km (0.066 R)
• M18: 16,121,115 km (0.076 R)
• M19: 17,803,792 km (0.061 R)
• M20: 19,540,923 km (0.055 R)
• M21: 20,083,365 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.3

Radius: 9.5

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.16 AU - 4.06 AU

Year: 4734 Days

Day: 14.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,472,341 km

• M1: 118,182 km (0.098 R)
• M2: 577,149 km (0.092 R)
• M3: 927,656 km (0.107 R)
• M4: 1,623,436 km (0.083 R)
• M5: 3,296,987 km (0.031 R)
• M6: 3,745,332 km (0.101 R)
• M7: 4,791,171 km (0.034 R)
• M8: 5,198,376 km (0.081 R)
• M9: 5,990,048 km (0.117 R)
• M10: 6,528,301 km (0.102 R)
• M11: 9,505,299 km (0.077 R)
• M12: 11,194,857 km (0.108 R)
• M13: 12,817,097 km (0.101 R)
• M14: 13,550,426 km (0.054 R)
• M15: 14,311,729 km (0.07 R)
• M16: 16,705,145 km (0.084 R)
• M17: 17,327,024 km (0.078 R)
• M18: 19,832,040 km (0.102 R)
• M19: 21,387,708 km (0.112 R)
• M20: 23,175,852 km (0.109 R)
• M21: 25,959,120 km (0.1 R)
• M22: 27,132,267 km (0.11 R)
• M23: 27,904,790 km (0.118 R)
• M24: 29,764,591 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.6

Radius: 12.7

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.06 AU - 4.28 AU

Year: 4853 Days

Day: 14.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,472,341 km

• M1: 162,314 km (0.081 R)
• M2: 579,841 km (0.05 R)
• M3: 1,199,326 km (0.096 R)
• M4: 2,226,166 km (0.091 R)
• M5: 2,844,753 km (0.107 R)
• M6: 3,533,203 km (0.096 R)
• M7: 4,161,813 km (0.1 R)
• M8: 6,187,966 km (0.113 R)
• M9: 7,559,180 km (0.03 R)
• M10: 8,183,901 km (0.047 R)
• M11: 11,313,040 km (0.113 R)
• M12: 12,834,450 km (0.068 R)
• M13: 17,957,130 km (0.109 R)
• M14: 19,542,419 km (0.066 R)
• M15: 20,229,671 km (0.108 R)
• M16: 21,004,289 km (0.091 R)
• M17: 26,239,167 km (0.031 R)
• M18: 27,500,876 km (0.116 R)
• M19: 28,364,355 km (0.099 R)
• M20: 28,802,676 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.6

Radius: 10.3

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.59 AU - 5.57 AU

Year: 7903 Days

Day: 13.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,472,341 km

• M1: 128,056 km (0.116 R)
• M2: 456,423 km (0.093 R)
• M3: 1,612,366 km (0.086 R)
• M4: 2,299,918 km (0.098 R)
• M5: 3,487,725 km (0.105 R)
• M6: 4,346,117 km (0.113 R)
• M7: 4,837,995 km (0.103 R)
• M8: 7,700,102 km (0.039 R)
• M9: 9,427,059 km (0.097 R)
• M10: 11,352,833 km (0.096 R)
• M11: 15,013,194 km (0.059 R)
• M12: 16,312,601 km (0.093 R)
• M13: 20,187,185 km (0.076 R)
• M14: 21,002,045 km (0.039 R)
• M15: 21,417,628 km (0.112 R)
• M16: 26,199,225 km (0.104 R)
• M17: 27,414,707 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.5

Radius: 13.6

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.09 AU - 6.19 AU

Year: 8044 Days

Day: 7.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 28,472,341 km

• M1: 176,226 km (0.101 R)
• M2: 620,831 km (0.066 R)
• M3: 1,221,167 km (0.117 R)
• M4: 1,658,292 km (0.119 R)
• M5: 2,307,248 km (0.118 R)
• M6: 3,633,283 km (0.082 R)
• M7: 4,093,447 km (0.086 R)
• M8: 4,768,133 km (0.113 R)
• M9: 5,850,025 km (0.106 R)
• M10: 6,858,763 km (0.077 R)
• M11: 8,022,784 km (0.096 R)
• M12: 8,630,002 km (0.053 R)
• M13: 9,455,633 km (0.053 R)
• M14: 12,307,566 km (0.109 R)
• M15: 13,960,623 km (0.064 R)
• M16: 15,624,151 km (0.079 R)
• M17: 17,559,798 km (0.068 R)
• M18: 21,160,619 km (0.052 R)
• M19: 22,321,947 km (0.027 R)
• M20: 23,350,881 km (0.103 R)
• M21: 24,232,162 km (0.116 R)
• M22: 25,967,647 km (0.083 R)
• M23: 27,298,619 km (0.105 R)
• M24: 28,475,207 km (0.079 R)
• M25: 32,099,963 km (0.057 R)
• M26: 40,252,149 km (0.091 R)
• M27: 42,162,664 km (0.111 R)
• M28: 45,072,941 km (0.082 R)
• M29: 45,616,131 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169

Radius: 5.9

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.34 AU - 8.16 AU

Year: 12105 Days

Day: 20 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,472,341 km

• M1: 73,453 km (0.096 R)
• M2: 774,319 km (0.047 R)
• M3: 1,200,373 km (0.082 R)
• M4: 1,716,636 km (0.065 R)
• M5: 1,928,317 km (0.105 R)
• M6: 2,456,247 km (0.05 R)
• M7: 7,178,454 km (0.097 R)
• M8: 9,301,696 km (0.086 R)
• M9: 12,897,281 km (0.11 R)
• M10: 15,327,648 km (0.064 R)
• M11: 15,811,298 km (0.112 R)
• M12: 16,745,387 km (0.033 R)
• M13: 19,838,922 km (0.08 R)
• M14: 20,851,101 km (0.08 R)
• M15: 27,835,377 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72

Radius: 5.2

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.61 AU - 9.35 AU

Year: 14121 Days

Day: 16.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,472,341 km

• M1: 75,697 km (0.085 R)
• M2: 244,593 km (0.07 R)
• M3: 630,106 km (0.112 R)
• M4: 878,588 km (0.099 R)
• M5: 1,057,956 km (0.115 R)
• M6: 1,457,382 km (0.025 R)
• M7: 2,109,779 km (0.089 R)
• M8: 3,089,944 km (0.109 R)
• M9: 3,265,572 km (0.071 R)
• M10: 3,447,932 km (0.08 R)
• M11: 7,938,411 km (0.06 R)
• M12: 9,396,841 km (0.103 R)
• M13: 10,492,047 km (0.106 R)
• M14: 11,716,655 km (0.073 R)
• M15: 16,782,039 km (0.074 R)
• M16: 18,259,916 km (0.057 R)
• M17: 18,578,410 km (0.051 R)
• M18: 19,556,032 km (0.109 R)
• M19: 24,497,699 km (0.104 R)
• M20: 26,313,667 km (0.112 R)
• M21: 28,048,404 km (0.091 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 14,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit