🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.4

Radius: 11.1

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.89 AU - 1.23 AU

Year: 705 Days

Day: 6.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,588,216 km

• M1: 138,079 km (0.068 R)
• M2: 561,441 km (0.034 R)
• M3: 1,240,316 km (0.073 R)
• M4: 2,037,673 km (0.103 R)
• M5: 2,412,266 km (0.098 R)
• M6: 3,136,918 km (0.109 R)
• M7: 3,589,152 km (0.08 R)
• M8: 4,028,970 km (0.101 R)
• M9: 5,049,826 km (0.085 R)
• M10: 5,448,803 km (0.111 R)
• M11: 5,977,183 km (0.098 R)
• M12: 6,481,627 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.4

Radius: 14.2

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.26 AU - 2.3 AU

Year: 2223 Days

Day: 6.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,588,216 km

• M1: 184,604 km (0.095 R)
• M2: 707,448 km (0.114 R)
• M3: 1,231,041 km (0.076 R)
• M4: 2,449,366 km (0.049 R)
• M5: 4,054,850 km (0.098 R)
• M6: 6,078,760 km (0.105 R)
• M7: 7,525,970 km (0.098 R)
• M8: 8,116,881 km (0.108 R)
• M9: 9,628,119 km (0.076 R)
• M10: 10,650,022 km (0.099 R)
• M11: 11,938,957 km (0.047 R)
• M12: 14,962,480 km (0.049 R)
• M13: 16,187,537 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.9

Radius: 10.8

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.27 AU - 2.33 AU

Year: 2252 Days

Day: 10.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,588,216 km

• M1: 136,284 km (0.083 R)
• M2: 478,713 km (0.096 R)
• M3: 992,432 km (0.098 R)
• M4: 1,456,036 km (0.054 R)
• M5: 1,968,708 km (0.118 R)
• M6: 2,689,919 km (0.106 R)
• M7: 3,985,437 km (0.099 R)
• M8: 4,374,541 km (0.096 R)
• M9: 6,273,836 km (0.065 R)
• M10: 7,405,992 km (0.074 R)
• M11: 8,516,756 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86

Radius: 11

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.08 AU - 3.8 AU

Year: 4120 Days

Day: 9.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,588,216 km

• M1: 194,776 km (0.08 R)
• M2: 640,129 km (0.046 R)
• M3: 1,056,610 km (0.061 R)
• M4: 1,591,273 km (0.113 R)
• M5: 2,623,947 km (0.025 R)
• M6: 3,815,643 km (0.09 R)
• M7: 9,756,324 km (0.111 R)
• M8: 12,820,538 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.6

Radius: 14.2

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.43 AU - 3.59 AU

Year: 4246 Days

Day: 7.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,588,216 km

• M1: 176,525 km (0.081 R)
• M2: 664,364 km (0.075 R)
• M3: 1,192,145 km (0.109 R)
• M4: 1,652,308 km (0.108 R)
• M5: 2,135,958 km (0.08 R)
• M6: 4,292,711 km (0.104 R)
• M7: 5,715,237 km (0.093 R)
• M8: 7,232,608 km (0.045 R)
• M9: 8,489,230 km (0.05 R)
• M10: 8,938,922 km (0.089 R)
• M11: 11,278,931 km (0.088 R)
• M12: 13,390,954 km (0.098 R)
• M13: 14,224,962 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.9

Radius: 7.3

Gravity: 18.07 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.15 AU - 6.93 AU

Year: 9585 Days

Day: 15.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,588,216 km

• M1: 90,806 km (0.102 R)
• M2: 539,749 km (0.076 R)
• M3: 1,017,266 km (0.07 R)
• M4: 1,374,804 km (0.115 R)
• M5: 1,766,452 km (0.093 R)
• M6: 2,249,054 km (0.12 R)
• M7: 2,583,106 km (0.118 R)
• M8: 4,062,629 km (0.078 R)
• M9: 4,320,835 km (0.058 R)
• M10: 5,817,412 km (0.094 R)
• M11: 6,682,537 km (0.1 R)
• M12: 8,295,651 km (0.108 R)
• M13: 9,842,343 km (0.027 R)
• M14: 12,211,076 km (0.045 R)
• M15: 12,750,975 km (0.083 R)
• M16: 13,750,139 km (0.102 R)
• M17: 14,268,795 km (0.105 R)
• M18: 15,003,021 km (0.083 R)
• M19: 18,193,943 km (0.118 R)
• M20: 18,661,437 km (0.057 R)
• M21: 19,701,740 km (0.096 R)
• M22: 21,985,202 km (0.074 R)
• M23: 23,971,712 km (0.085 R)
• M24: 25,104,168 km (0.072 R)
• M25: 28,090,890 km (0.108 R)
• M26: 29,031,112 km (0.066 R)
• M27: 37,446,441 km (0.095 R)
• M28: 39,227,105 km (0.037 R)
• M29: 39,485,909 km (0.084 R)
• M30: 43,231,241 km (0.064 R)
• M31: 49,735,607 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.7

Radius: 7.6

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.56 AU - 8.42 AU

Year: 11932 Days

Day: 20.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,588,216 km

• M1: 94,695 km (0.113 R)
• M2: 421,716 km (0.107 R)
• M3: 767,736 km (0.094 R)
• M4: 1,203,964 km (0.09 R)
• M5: 1,626,129 km (0.057 R)
• M6: 2,785,213 km (0.103 R)
• M7: 3,314,042 km (0.096 R)
• M8: 3,815,793 km (0.113 R)
• M9: 5,539,011 km (0.097 R)
• M10: 6,024,605 km (0.076 R)
• M11: 9,855,209 km (0.057 R)
• M12: 10,659,447 km (0.097 R)
• M13: 13,930,105 km (0.078 R)
• M14: 15,643,449 km (0.078 R)
• M15: 17,620,984 km (0.101 R)
• M16: 22,668,266 km (0.063 R)
• M17: 23,050,788 km (0.115 R)
• M18: 24,145,096 km (0.082 R)
• M19: 25,684,907 km (0.039 R)
• M20: 27,117,157 km (0.106 R)
• M21: 28,336,081 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.5

Radius: 4.9

Gravity: 31.8 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.45 AU - 8.95 AU

Year: 16569 Days

Day: 16.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,588,216 km

• M1: 69,114 km (0.067 R)
• M2: 228,286 km (0.073 R)
• M3: 487,091 km (0.072 R)
• M4: 821,592 km (0.112 R)
• M5: 1,570,927 km (0.11 R)
• M6: 1,739,225 km (0.119 R)
• M7: 2,132,218 km (0.074 R)
• M8: 2,296,776 km (0.071 R)
• M9: 2,721,933 km (0.067 R)
• M10: 3,331,844 km (0.089 R)
• M11: 3,936,668 km (0.106 R)
• M12: 4,153,585 km (0.081 R)
• M13: 5,030,228 km (0.061 R)
• M14: 5,512,083 km (0.041 R)
• M15: 7,051,595 km (0.076 R)
• M16: 8,962,109 km (0.063 R)
• M17: 10,007,200 km (0.077 R)
• M18: 11,628,542 km (0.098 R)
• M19: 16,391,887 km (0.116 R)
• M20: 17,116,988 km (0.05 R)
• M21: 17,363,376 km (0.109 R)
• M22: 18,458,432 km (0.111 R)
• M23: 18,717,686 km (0.112 R)
• M24: 24,945,445 km (0.081 R)
• M25: 32,928,436 km (0.073 R)
• M26: 33,437,368 km (0.052 R)
• M27: 35,127,674 km (0.085 R)
• M28: 35,658,896 km (0.104 R)
• M29: 36,737,497 km (0.089 R)
• M30: 39,528,993 km (0.045 R)
• M31: 39,815,772 km (0.082 R)
• M32: 44,130,025 km (0.095 R)
• M33: 51,595,707 km (0.119 R)
• M34: 52,974,551 km (0.089 R)
• M35: 61,190,615 km (0.092 R)
• M36: 68,757,276 km (0.094 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 17,216 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit