🌌 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: 547.6

Radius: 14.9

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.59 AU - 0.63 AU

Year: 335 Days

Day: 10.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,295,296 km

• M1: 185,352 km (0.11 R)
• M2: 749,934 km (0.12 R)
• M3: 1,227,451 km (0.115 R)
• M4: 1,753,137 km (0.103 R)
• M5: 2,525,661 km (0.043 R)
• M6: 2,997,493 km (0.097 R)
• M7: 3,941,306 km (0.092 R)
• M8: 4,568,869 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.3

Radius: 10.5

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.88 AU - 2.38 AU

Year: 2185 Days

Day: 5.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,295,296 km

• M1: 130,749 km (0.088 R)
• M2: 560,992 km (0.109 R)
• M3: 1,622,838 km (0.062 R)
• M4: 2,027,799 km (0.043 R)
• M5: 2,536,731 km (0.096 R)
• M6: 3,157,562 km (0.059 R)
• M7: 4,911,597 km (0.08 R)
• M8: 5,943,075 km (0.049 R)
• M9: 7,213,310 km (0.06 R)
• M10: 7,648,341 km (0.115 R)
• M11: 8,100,874 km (0.068 R)
• M12: 8,798,898 km (0.106 R)
• M13: 10,442,979 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.6

Radius: 8.3

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.25 AU - 2.59 AU

Year: 2646 Days

Day: 14.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,295,296 km

• M1: 104,120 km (0.096 R)
• M2: 427,850 km (0.096 R)
• M3: 930,948 km (0.031 R)
• M4: 1,278,463 km (0.096 R)
• M5: 1,802,355 km (0.067 R)
• M6: 2,120,999 km (0.092 R)
• M7: 3,791,558 km (0.107 R)
• M8: 4,297,648 km (0.109 R)
• M9: 4,893,945 km (0.098 R)
• M10: 5,345,730 km (0.032 R)
• M11: 6,471,155 km (0.047 R)
• M12: 8,229,528 km (0.055 R)
• M13: 9,760,513 km (0.111 R)
• M14: 10,788,998 km (0.113 R)
• M15: 13,743,108 km (0.098 R)
• M16: 14,498,128 km (0.062 R)
• M17: 15,082,308 km (0.094 R)
• M18: 17,796,611 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.1

Radius: 14.3

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.54 AU - 2.84 AU

Year: 3101 Days

Day: 14.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,295,296 km

• M1: 184,155 km (0.104 R)
• M2: 978,819 km (0.107 R)
• M3: 1,744,610 km (0.077 R)
• M4: 2,552,738 km (0.099 R)
• M5: 3,366,401 km (0.099 R)
• M6: 3,970,327 km (0.043 R)
• M7: 4,707,546 km (0.057 R)
• M8: 5,375,201 km (0.1 R)
• M9: 6,507,657 km (0.095 R)
• M10: 7,649,388 km (0.077 R)
• M11: 8,359,679 km (0.049 R)
• M12: 9,607,325 km (0.105 R)
• M13: 12,390,892 km (0.112 R)
• M14: 15,581,366 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.9

Radius: 8.5

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.81 AU - 2.85 AU

Year: 3346 Days

Day: 9.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,295,296 km

• M1: 105,766 km (0.117 R)
• M2: 414,237 km (0.095 R)
• M3: 927,507 km (0.057 R)
• M4: 1,443,769 km (0.077 R)
• M5: 1,798,765 km (0.081 R)
• M6: 2,112,920 km (0.102 R)
• M7: 2,557,525 km (0.111 R)
• M8: 3,227,574 km (0.106 R)
• M9: 4,503,943 km (0.105 R)
• M10: 6,059,163 km (0.077 R)
• M11: 12,451,031 km (0.092 R)
• M12: 14,302,454 km (0.083 R)
• M13: 17,942,021 km (0.056 R)
• M14: 19,720,291 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.2

Radius: 13.6

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.44 AU - 3.92 AU

Year: 3986 Days

Day: 14.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,295,296 km

• M1: 169,345 km (0.048 R)
• M2: 613,052 km (0.047 R)
• M3: 1,732,643 km (0.07 R)
• M4: 2,489,608 km (0.107 R)
• M5: 3,134,674 km (0.112 R)
• M6: 4,265,035 km (0.042 R)
• M7: 5,167,709 km (0.069 R)
• M8: 6,312,881 km (0.094 R)
• M9: 8,466,342 km (0.108 R)
• M10: 8,911,994 km (0.074 R)
• M11: 12,677,372 km (0.099 R)
• M12: 14,590,879 km (0.085 R)
• M13: 15,233,402 km (0.079 R)
• M14: 18,299,560 km (0.118 R)
• M15: 21,755,719 km (0.106 R)
• M16: 25,935,035 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.1

Radius: 9.3

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.03 AU - 5.21 AU

Year: 6980 Days

Day: 9.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,295,296 km

• M1: 116,686 km (0.111 R)
• M2: 538,253 km (0.062 R)
• M3: 1,089,222 km (0.112 R)
• M4: 2,385,039 km (0.095 R)
• M5: 2,765,317 km (0.037 R)
• M6: 4,013,561 km (0.112 R)
• M7: 4,302,734 km (0.116 R)
• M8: 6,026,700 km (0.116 R)
• M9: 8,556,549 km (0.096 R)
• M10: 9,794,023 km (0.115 R)
• M11: 11,053,039 km (0.111 R)
• M12: 13,780,208 km (0.117 R)
• M13: 14,330,429 km (0.058 R)
• M14: 16,678,816 km (0.06 R)
• M15: 22,726,161 km (0.113 R)
• M16: 23,339,362 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.5

Radius: 4.1

Gravity: 46.85 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.41 AU - 5.85 AU

Year: 9390 Days

Day: 22.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 87.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,295,296 km

• M1: 51,312 km (0.111 R)
• M2: 203,752 km (0.057 R)
• M3: 556,205 km (0.095 R)
• M4: 1,129,614 km (0.113 R)
• M5: 1,627,176 km (0.116 R)
• M6: 2,448,020 km (0.107 R)
• M7: 2,753,349 km (0.093 R)
• M8: 3,015,295 km (0.052 R)
• M9: 3,982,894 km (0.116 R)
• M10: 4,551,964 km (0.04 R)
• M11: 5,013,025 km (0.108 R)
• M12: 5,538,412 km (0.054 R)
• M13: 5,814,420 km (0.109 R)
• M14: 8,958,668 km (0.102 R)
• M15: 9,387,266 km (0.077 R)
• M16: 11,184,834 km (0.063 R)
• M17: 12,483,494 km (0.12 R)
• M18: 13,078,295 km (0.117 R)
• M19: 19,463,132 km (0.057 R)
• M20: 19,939,900 km (0.046 R)
• M21: 21,669,551 km (0.052 R)
• M22: 24,956,066 km (0.105 R)
• M23: 27,355,317 km (0.076 R)
• M24: 27,553,684 km (0.066 R)
• M25: 32,163,542 km (0.094 R)
• M26: 33,617,933 km (0.078 R)
• M27: 38,740,164 km (0.091 R)
• M28: 40,900,806 km (0.082 R)
• M29: 46,158,423 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 919.6

Radius: 6.1

Gravity: 24.71 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.07 AU - 8.81 AU

Year: 15727 Days

Day: 15.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,295,296 km

• M1: 75,996 km (0.084 R)
• M2: 465,249 km (0.12 R)
• M3: 933,640 km (0.073 R)
• M4: 1,561,503 km (0.099 R)
• M5: 2,394,763 km (0.109 R)
• M6: 5,755,329 km (0.106 R)
• M7: 7,731,517 km (0.045 R)
• M8: 7,926,593 km (0.108 R)
• M9: 8,951,637 km (0.062 R)
• M10: 10,353,519 km (0.116 R)
• M11: 14,085,537 km (0.108 R)
• M12: 15,973,013 km (0.114 R)
• M13: 16,610,899 km (0.11 R)
• M14: 18,714,095 km (0.12 R)
• M15: 21,850,265 km (0.103 R)
• M16: 28,671,778 km (0.12 R)
• M17: 32,687,584 km (0.081 R)
• M18: 34,763,104 km (0.085 R)
• M19: 39,606,186 km (0.091 R)
• M20: 45,670,136 km (0.105 R)
• M21: 54,261,691 km (0.094 R)
• M22: 56,063,747 km (0.084 R)
• M23: 62,293,152 km (0.085 R)
• M24: 69,387,681 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443

Radius: 6.1

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 9.1 AU - 11.38 AU

Year: 23033 Days

Day: 16.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,295,296 km

• M1: 75,846 km (0.109 R)
• M2: 265,686 km (0.096 R)
• M3: 920,625 km (0.111 R)
• M4: 2,442,335 km (0.089 R)
• M5: 2,889,333 km (0.074 R)
• M6: 3,823,722 km (0.11 R)
• M7: 5,274,971 km (0.092 R)
• M8: 5,503,257 km (0.065 R)
• M9: 5,777,919 km (0.114 R)
• M10: 6,482,973 km (0.072 R)
• M11: 7,151,377 km (0.118 R)
• M12: 7,864,809 km (0.108 R)
• M13: 10,407,225 km (0.107 R)
• M14: 11,011,301 km (0.112 R)
• M15: 11,447,827 km (0.101 R)
• M16: 12,488,879 km (0.071 R)
• M17: 17,877,394 km (0.069 R)
• M18: 19,726,574 km (0.031 R)
• M19: 20,933,230 km (0.107 R)
• M20: 22,683,974 km (0.117 R)
• M21: 24,007,466 km (0.117 R)
• M22: 24,741,094 km (0.062 R)
• M23: 27,483,373 km (0.066 R)
• M24: 27,711,210 km (0.107 R)
• M25: 27,940,095 km (0.073 R)
• M26: 28,868,948 km (0.058 R)
• M27: 30,787,840 km (0.104 R)
• M28: 31,778,477 km (0.037 R)
• M29: 38,031,369 km (0.064 R)
• M30: 49,123,752 km (0.117 R)
• M31: 55,219,117 km (0.072 R)
• M32: 56,495,785 km (0.059 R)
• M33: 57,792,051 km (0.093 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 16,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit