🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.9

Radius: 13.8

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.1 AU - 1.62 AU

Year: 1024 Days

Day: 9.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,132,681 km

• M1: 172,486 km (0.1 R)
• M2: 616,343 km (0.086 R)
• M3: 1,525,150 km (0.087 R)
• M4: 2,072,828 km (0.079 R)
• M5: 2,516,984 km (0.067 R)
• M6: 3,266,021 km (0.053 R)
• M7: 4,524,139 km (0.057 R)
• M8: 5,447,756 km (0.085 R)
• M9: 6,024,306 km (0.109 R)
• M10: 6,535,632 km (0.081 R)
• M11: 7,414,220 km (0.048 R)
• M12: 8,320,634 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.9

Radius: 12.2

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.58 AU - 3.08 AU

Year: 3074 Days

Day: 8.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,132,681 km

• M1: 151,692 km (0.089 R)
• M2: 547,379 km (0.107 R)
• M3: 1,073,514 km (0.119 R)
• M4: 2,489,009 km (0.116 R)
• M5: 3,489,670 km (0.083 R)
• M6: 4,983,404 km (0.027 R)
• M7: 5,448,654 km (0.083 R)
• M8: 6,200,981 km (0.09 R)
• M9: 7,230,963 km (0.059 R)
• M10: 12,022,732 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.6

Radius: 11.5

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.32 AU - 3.56 AU

Year: 3255 Days

Day: 9.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,132,681 km

• M1: 145,708 km (0.107 R)
• M2: 504,743 km (0.088 R)
• M3: 901,477 km (0.045 R)
• M4: 1,296,565 km (0.115 R)
• M5: 1,680,582 km (0.09 R)
• M6: 2,048,294 km (0.047 R)
• M7: 2,425,430 km (0.079 R)
• M8: 2,866,146 km (0.09 R)
• M9: 3,323,018 km (0.085 R)
• M10: 4,014,908 km (0.088 R)
• M11: 4,474,772 km (0.079 R)
• M12: 6,069,485 km (0.073 R)
• M13: 8,048,066 km (0.068 R)
• M14: 8,603,523 km (0.096 R)
• M15: 9,296,012 km (0.083 R)
• M16: 10,958,792 km (0.112 R)
• M17: 12,082,870 km (0.118 R)
• M18: 12,626,808 km (0.069 R)
• M19: 14,660,741 km (0.075 R)
• M20: 15,227,567 km (0.082 R)
• M21: 15,648,984 km (0.105 R)
• M22: 20,302,825 km (0.091 R)
• M23: 21,596,098 km (0.07 R)
• M24: 22,669,613 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.6

Radius: 8.4

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.33 AU - 4.47 AU

Year: 4973 Days

Day: 7 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,132,681 km

• M1: 104,569 km (0.083 R)
• M2: 520,601 km (0.104 R)
• M3: 937,231 km (0.116 R)
• M4: 1,535,024 km (0.07 R)
• M5: 2,018,674 km (0.106 R)
• M6: 3,434,019 km (0.048 R)
• M7: 3,813,549 km (0.088 R)
• M8: 4,611,803 km (0.053 R)
• M9: 4,956,028 km (0.042 R)
• M10: 6,479,832 km (0.098 R)
• M11: 7,899,665 km (0.084 R)
• M12: 9,048,726 km (0.048 R)
• M13: 12,142,261 km (0.102 R)
• M14: 12,889,801 km (0.111 R)
• M15: 17,865,127 km (0.079 R)
• M16: 18,543,853 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.1

Radius: 9

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.53 AU - 6.09 AU

Year: 7901 Days

Day: 7.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 44,132,681 km

• M1: 112,049 km (0.031 R)
• M2: 422,315 km (0.116 R)
• M3: 733,778 km (0.072 R)
• M4: 1,225,356 km (0.106 R)
• M5: 1,840,353 km (0.059 R)
• M6: 2,720,587 km (0.12 R)
• M7: 3,142,902 km (0.047 R)
• M8: 3,858,129 km (0.059 R)
• M9: 4,651,297 km (0.105 R)
• M10: 4,975,476 km (0.102 R)
• M11: 5,372,658 km (0.08 R)
• M12: 6,134,709 km (0.094 R)
• M13: 6,932,365 km (0.093 R)
• M14: 7,611,540 km (0.101 R)
• M15: 8,895,688 km (0.093 R)
• M16: 10,639,101 km (0.054 R)
• M17: 11,013,395 km (0.077 R)
• M18: 11,738,795 km (0.087 R)
• M19: 12,444,299 km (0.116 R)
• M20: 13,884,328 km (0.088 R)
• M21: 16,402,210 km (0.115 R)
• M22: 17,606,173 km (0.076 R)
• M23: 18,867,882 km (0.118 R)
• M24: 19,416,756 km (0.066 R)
• M25: 20,835,692 km (0.118 R)
• M26: 22,705,067 km (0.111 R)
• M27: 24,198,503 km (0.118 R)
• M28: 24,928,391 km (0.104 R)
• M29: 28,980,249 km (0.095 R)
• M30: 29,344,071 km (0.116 R)
• M31: 30,924,722 km (0.101 R)
• M32: 31,784,162 km (0.118 R)
• M33: 32,561,323 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.8

Radius: 5.5

Gravity: 28.32 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.48 AU - 6.5 AU

Year: 10675 Days

Day: 21.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,132,681 km

• M1: 77,342 km (0.113 R)
• M2: 293,212 km (0.078 R)
• M3: 1,508,545 km (0.064 R)
• M4: 1,969,606 km (0.106 R)
• M5: 2,458,491 km (0.068 R)
• M6: 3,594,687 km (0.039 R)
• M7: 4,059,937 km (0.119 R)
• M8: 4,292,412 km (0.117 R)
• M9: 5,010,781 km (0.082 R)
• M10: 8,044,027 km (0.118 R)
• M11: 13,863,384 km (0.096 R)
• M12: 14,191,901 km (0.093 R)
• M13: 15,139,155 km (0.114 R)
• M14: 15,487,419 km (0.076 R)
• M15: 16,418,067 km (0.107 R)
• M16: 17,008,979 km (0.067 R)
• M17: 19,188,919 km (0.079 R)
• M18: 26,031,077 km (0.094 R)
• M19: 38,953,042 km (0.102 R)
• M20: 39,738,580 km (0.093 R)
• M21: 40,135,164 km (0.113 R)
• M22: 42,433,286 km (0.07 R)
• M23: 52,186,619 km (0.111 R)
• M24: 52,980,983 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.2

Radius: 4.8

Gravity: 18.63 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.07 AU - 7.99 AU

Year: 10774 Days

Day: 17.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,132,681 km

• M1: 59,690 km (0.094 R)
• M2: 302,487 km (0.095 R)
• M3: 543,489 km (0.092 R)
• M4: 716,275 km (0.075 R)
• M5: 888,312 km (0.054 R)
• M6: 1,176,138 km (0.118 R)
• M7: 1,766,601 km (0.096 R)
• M8: 2,794,039 km (0.117 R)
• M9: 3,136,469 km (0.061 R)
• M10: 3,364,307 km (0.078 R)
• M11: 3,701,650 km (0.116 R)
• M12: 4,114,540 km (0.114 R)
• M13: 7,339,571 km (0.079 R)
• M14: 9,498,118 km (0.067 R)
• M15: 14,324,445 km (0.082 R)
• M16: 15,015,587 km (0.111 R)
• M17: 16,060,079 km (0.075 R)
• M18: 16,463,994 km (0.076 R)
• M19: 17,787,785 km (0.046 R)
• M20: 20,097,427 km (0.083 R)
• M21: 20,331,099 km (0.055 R)
• M22: 26,776,972 km (0.117 R)
• M23: 29,999,310 km (0.116 R)
• M24: 31,441,134 km (0.113 R)
• M25: 31,650,721 km (0.115 R)
• M26: 34,573,414 km (0.116 R)
• M27: 38,863,582 km (0.09 R)
• M28: 39,835,669 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.7

Radius: 4.7

Gravity: 28.28 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.43 AU - 8.01 AU

Year: 13850 Days

Day: 20.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 44,132,681 km

• M1: 59,091 km (0.1 R)
• M2: 216,767 km (0.079 R)
• M3: 460,462 km (0.114 R)
• M4: 608,115 km (0.045 R)
• M5: 1,509,742 km (0.1 R)
• M6: 2,957,251 km (0.111 R)
• M7: 3,274,548 km (0.055 R)
• M8: 3,454,664 km (0.082 R)
• M9: 3,834,792 km (0.116 R)
• M10: 4,487,487 km (0.047 R)
• M11: 5,281,104 km (0.091 R)
• M12: 6,048,691 km (0.085 R)
• M13: 8,745,641 km (0.095 R)
• M14: 9,553,320 km (0.099 R)
• M15: 9,868,672 km (0.055 R)
• M16: 11,315,733 km (0.051 R)
• M17: 12,334,793 km (0.119 R)
• M18: 14,971,456 km (0.071 R)
• M19: 18,766,006 km (0.047 R)
• M20: 18,929,965 km (0.101 R)
• M21: 20,621,468 km (0.066 R)
• M22: 22,967,611 km (0.098 R)
• M23: 23,249,304 km (0.083 R)
• M24: 24,790,611 km (0.115 R)
• M25: 24,987,931 km (0.111 R)
• M26: 26,398,788 km (0.059 R)
• M27: 26,604,485 km (0.055 R)
• M28: 30,948,359 km (0.094 R)
• M29: 34,011,674 km (0.087 R)
• M30: 36,373,825 km (0.114 R)
• M31: 36,756,496 km (0.113 R)
• M32: 39,109,371 km (0.115 R)
• M33: 49,369,840 km (0.059 R)
• M34: 50,945,106 km (0.039 R)
• M35: 53,699,502 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.2

Radius: 6.7

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.5 AU - 8.38 AU

Year: 14446 Days

Day: 24.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,132,681 km

• M1: 83,326 km (0.103 R)
• M2: 414,984 km (0.065 R)
• M3: 813,663 km (0.075 R)
• M4: 1,308,682 km (0.109 R)
• M5: 2,462,381 km (0.091 R)
• M6: 4,070,558 km (0.062 R)
• M7: 4,627,511 km (0.12 R)
• M8: 5,655,847 km (0.103 R)
• M9: 13,331,713 km (0.115 R)
• M10: 15,982,737 km (0.03 R)
• M11: 19,572,937 km (0.099 R)
• M12: 21,067,569 km (0.094 R)
• M13: 22,721,224 km (0.112 R)
• M14: 28,592,641 km (0.079 R)
• M15: 30,616,251 km (0.051 R)
• M16: 36,553,342 km (0.079 R)
• M17: 42,051,961 km (0.115 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 19,085 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit