🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.5

Radius: 13.1

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.84 AU - 1.32 AU

Year: 761 Days

Day: 13.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,612,710 km

• M1: 163,211 km (0.116 R)
• M2: 591,360 km (0.082 R)
• M3: 1,112,709 km (0.089 R)
• M4: 1,833,771 km (0.096 R)
• M5: 2,965,329 km (0.071 R)
• M6: 3,712,271 km (0.112 R)
• M7: 4,182,607 km (0.109 R)
• M8: 4,660,871 km (0.119 R)
• M9: 6,066,792 km (0.109 R)
• M10: 7,648,490 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.1

Radius: 9.2

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.84 AU - 2.02 AU

Year: 1819 Days

Day: 13.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,612,710 km

• M1: 114,442 km (0.084 R)
• M2: 416,032 km (0.118 R)
• M3: 721,062 km (0.115 R)
• M4: 1,036,115 km (0.117 R)
• M5: 1,814,921 km (0.043 R)
• M6: 2,440,240 km (0.053 R)
• M7: 3,143,201 km (0.115 R)
• M8: 3,655,723 km (0.088 R)
• M9: 6,496,288 km (0.111 R)
• M10: 7,514,301 km (0.087 R)
• M11: 8,752,971 km (0.107 R)
• M12: 9,452,341 km (0.067 R)
• M13: 9,767,694 km (0.075 R)
• M14: 10,057,614 km (0.072 R)
• M15: 10,722,577 km (0.086 R)
• M16: 12,139,867 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.7

Radius: 8.8

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.68 AU - 2.3 AU

Year: 1904 Days

Day: 7 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,612,710 km

• M1: 109,506 km (0.103 R)
• M2: 465,249 km (0.096 R)
• M3: 907,161 km (0.096 R)
• M4: 1,538,465 km (0.097 R)
• M5: 1,962,724 km (0.086 R)
• M6: 2,489,907 km (0.088 R)
• M7: 3,139,910 km (0.095 R)
• M8: 3,446,585 km (0.041 R)
• M9: 4,139,223 km (0.026 R)
• M10: 4,795,360 km (0.096 R)
• M11: 5,359,643 km (0.084 R)
• M12: 5,895,203 km (0.089 R)
• M13: 7,127,591 km (0.095 R)
• M14: 8,554,455 km (0.08 R)
• M15: 10,162,632 km (0.049 R)
• M16: 11,241,532 km (0.106 R)
• M17: 13,247,939 km (0.106 R)
• M18: 15,298,327 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.5

Radius: 10.2

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.29 AU - 3.49 AU

Year: 3332 Days

Day: 10.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,612,710 km

• M1: 127,457 km (0.027 R)
• M2: 476,020 km (0.088 R)
• M3: 827,725 km (0.119 R)
• M4: 1,398,142 km (0.076 R)
• M5: 2,123,991 km (0.044 R)
• M6: 2,492,600 km (0.061 R)
• M7: 3,067,355 km (0.077 R)
• M8: 3,903,158 km (0.051 R)
• M9: 4,290,018 km (0.074 R)
• M10: 5,188,952 km (0.082 R)
• M11: 6,181,683 km (0.104 R)
• M12: 7,296,487 km (0.101 R)
• M13: 8,607,861 km (0.058 R)
• M14: 9,124,872 km (0.111 R)
• M15: 9,957,683 km (0.04 R)
• M16: 11,525,768 km (0.106 R)
• M17: 15,493,851 km (0.07 R)
• M18: 16,520,242 km (0.097 R)
• M19: 17,157,529 km (0.118 R)
• M20: 17,536,760 km (0.103 R)
• M21: 18,481,171 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.1

Radius: 14.9

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.85 AU - 3.03 AU

Year: 3419 Days

Day: 14 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,612,710 km

• M1: 185,352 km (0.072 R)
• M2: 725,550 km (0.069 R)
• M3: 1,340,547 km (0.112 R)
• M4: 2,036,326 km (0.102 R)
• M5: 2,619,758 km (0.093 R)
• M6: 5,830,876 km (0.054 R)
• M7: 9,139,682 km (0.059 R)
• M8: 10,055,221 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.9

Radius: 9.4

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.16 AU - 5.08 AU

Year: 5672 Days

Day: 11.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,612,710 km

• M1: 116,836 km (0.092 R)
• M2: 553,363 km (0.051 R)
• M3: 1,707,959 km (0.08 R)
• M4: 2,993,603 km (0.093 R)
• M5: 3,506,873 km (0.032 R)
• M6: 4,055,598 km (0.102 R)
• M7: 4,374,242 km (0.111 R)
• M8: 4,833,507 km (0.055 R)
• M9: 5,623,982 km (0.101 R)
• M10: 6,406,828 km (0.092 R)
• M11: 7,032,147 km (0.108 R)
• M12: 8,116,881 km (0.101 R)
• M13: 9,505,897 km (0.111 R)
• M14: 9,988,650 km (0.119 R)
• M15: 10,487,708 km (0.054 R)
• M16: 12,604,069 km (0.074 R)
• M17: 12,942,011 km (0.117 R)
• M18: 15,589,594 km (0.086 R)
• M19: 16,489,575 km (0.115 R)
• M20: 19,016,732 km (0.097 R)
• M21: 22,138,690 km (0.044 R)
• M22: 24,004,774 km (0.084 R)
• M23: 25,895,840 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.5

Radius: 14.9

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.92 AU - 5.54 AU

Year: 6977 Days

Day: 7.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,612,710 km

• M1: 185,352 km (0.092 R)
• M2: 695,331 km (0.05 R)
• M3: 1,181,374 km (0.102 R)
• M4: 1,750,145 km (0.115 R)
• M5: 2,295,729 km (0.117 R)
• M6: 3,610,545 km (0.111 R)
• M7: 4,337,441 km (0.101 R)
• M8: 7,750,217 km (0.111 R)
• M9: 9,246,345 km (0.083 R)
• M10: 10,041,757 km (0.085 R)
• M11: 11,203,684 km (0.096 R)
• M12: 12,255,357 km (0.118 R)
• M13: 14,890,074 km (0.102 R)
• M14: 16,762,591 km (0.064 R)
• M15: 19,996,299 km (0.072 R)
• M16: 21,327,420 km (0.03 R)
• M17: 23,017,128 km (0.043 R)
• M18: 23,701,987 km (0.076 R)
• M19: 24,794,351 km (0.119 R)
• M20: 30,401,578 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927

Radius: 13.8

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.56 AU - 6.66 AU

Year: 9012 Days

Day: 9.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 160 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,612,710 km

• M1: 171,888 km (0.059 R)
• M2: 703,708 km (0.113 R)
• M3: 1,611,917 km (0.118 R)
• M4: 2,303,358 km (0.111 R)
• M5: 2,898,010 km (0.11 R)
• M6: 4,063,677 km (0.094 R)
• M7: 5,388,366 km (0.058 R)
• M8: 6,445,125 km (0.076 R)
• M9: 8,195,570 km (0.042 R)
• M10: 9,062,789 km (0.111 R)
• M11: 9,740,168 km (0.082 R)
• M12: 12,206,737 km (0.081 R)
• M13: 12,973,427 km (0.092 R)
• M14: 13,461,116 km (0.063 R)
• M15: 14,931,663 km (0.103 R)
• M16: 17,152,742 km (0.105 R)
• M17: 19,985,976 km (0.115 R)
• M18: 23,385,588 km (0.071 R)
• M19: 30,232,234 km (0.118 R)
• M20: 31,745,865 km (0.098 R)
• M21: 34,225,599 km (0.104 R)
• M22: 34,689,951 km (0.083 R)
• M23: 38,808,680 km (0.076 R)
• M24: 40,466,074 km (0.11 R)
• M25: 45,581,424 km (0.034 R)
• M26: 47,139,037 km (0.097 R)
• M27: 48,003,414 km (0.113 R)
• M28: 48,439,491 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.9

Radius: 6.4

Gravity: 12.38 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 7.37 AU - 8.61 AU

Year: 15318 Days

Day: 16 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,612,710 km

• M1: 82,279 km (0.11 R)
• M2: 306,526 km (0.116 R)
• M3: 506,239 km (0.091 R)
• M4: 761,453 km (0.116 R)
• M5: 1,174,642 km (0.076 R)
• M6: 2,588,791 km (0.104 R)
• M7: 3,761,638 km (0.084 R)
• M8: 5,183,716 km (0.105 R)
• M9: 5,427,860 km (0.079 R)
• M10: 7,185,335 km (0.095 R)
• M11: 7,801,529 km (0.119 R)
• M12: 8,988,887 km (0.092 R)
• M13: 9,341,789 km (0.113 R)
• M14: 11,538,783 km (0.058 R)
• M15: 12,506,681 km (0.092 R)
• M16: 13,991,290 km (0.038 R)
• M17: 15,161,595 km (0.081 R)
• M18: 16,846,665 km (0.074 R)
• M19: 18,010,686 km (0.112 R)
• M20: 18,410,262 km (0.09 R)
• M21: 19,227,366 km (0.115 R)
• M22: 20,758,500 km (0.087 R)
• M23: 21,464,302 km (0.088 R)
• M24: 21,913,545 km (0.072 R)
• M25: 23,488,062 km (0.084 R)
• M26: 24,938,563 km (0.067 R)
• M27: 26,345,382 km (0.101 R)
• M28: 28,123,801 km (0.092 R)
• M29: 34,792,276 km (0.03 R)
• M30: 37,574,796 km (0.09 R)
• M31: 41,881,569 km (0.114 R)
• M32: 42,865,624 km (0.11 R)
• M33: 45,319,628 km (0.086 R)
• M34: 49,096,226 km (0.098 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 14,006 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit