🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.4

Radius: 12.9

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.25 AU - 1.29 AU

Year: 971 Days

Day: 12.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,836,563 km

• M1: 160,369 km (0.113 R)
• M2: 583,432 km (0.096 R)
• M3: 1,203,066 km (0.065 R)
• M4: 1,673,103 km (0.109 R)
• M5: 2,118,605 km (0.053 R)
• M6: 2,717,146 km (0.072 R)
• M7: 3,679,509 km (0.083 R)
• M8: 4,090,604 km (0.053 R)
• M9: 4,894,244 km (0.111 R)
• M10: 5,353,958 km (0.092 R)
• M11: 5,758,920 km (0.065 R)
• M12: 6,631,075 km (0.099 R)
• M13: 7,366,199 km (0.099 R)
• M14: 8,638,080 km (0.095 R)
• M15: 9,991,043 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.1

Radius: 12.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.27 AU - 1.89 AU

Year: 1347 Days

Day: 5.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,836,563 km

• M1: 156,180 km (0.055 R)
• M2: 817,702 km (0.116 R)
• M3: 1,486,853 km (0.116 R)
• M4: 1,999,824 km (0.075 R)
• M5: 2,937,504 km (0.107 R)
• M6: 4,644,266 km (0.027 R)
• M7: 5,462,117 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.4

Radius: 8.8

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.83 AU - 2.43 AU

Year: 2108 Days

Day: 5.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,836,563 km

• M1: 109,805 km (0.052 R)
• M2: 731,683 km (0.101 R)
• M3: 1,158,935 km (0.094 R)
• M4: 1,435,990 km (0.104 R)
• M5: 2,412,415 km (0.102 R)
• M6: 2,751,703 km (0.084 R)
• M7: 3,457,207 km (0.049 R)
• M8: 4,420,318 km (0.081 R)
• M9: 4,778,156 km (0.1 R)
• M10: 5,819,956 km (0.1 R)
• M11: 6,224,618 km (0.037 R)
• M12: 6,784,263 km (0.071 R)
• M13: 8,127,353 km (0.031 R)
• M14: 14,727,761 km (0.073 R)
• M15: 15,480,537 km (0.095 R)
• M16: 16,110,793 km (0.115 R)
• M17: 16,758,103 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.9

Radius: 13.4

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.73 AU - 2.69 AU

Year: 2228 Days

Day: 11.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,836,563 km

• M1: 166,951 km (0.088 R)
• M2: 768,634 km (0.091 R)
• M3: 1,480,421 km (0.112 R)
• M4: 2,283,761 km (0.115 R)
• M5: 3,023,523 km (0.113 R)
• M6: 3,632,535 km (0.066 R)
• M7: 4,535,209 km (0.041 R)
• M8: 5,434,143 km (0.119 R)
• M9: 6,097,160 km (0.08 R)
• M10: 6,699,890 km (0.086 R)
• M11: 10,911,070 km (0.078 R)
• M12: 11,677,311 km (0.09 R)
• M13: 14,668,819 km (0.071 R)
• M14: 16,315,593 km (0.095 R)
• M15: 18,082,643 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.3

Radius: 10.8

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.35 AU - 3.69 AU

Year: 3560 Days

Day: 8.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,836,563 km

• M1: 134,488 km (0.055 R)
• M2: 614,398 km (0.06 R)
• M3: 1,127,220 km (0.095 R)
• M4: 1,877,752 km (0.104 R)
• M5: 2,226,316 km (0.068 R)
• M6: 3,663,951 km (0.068 R)
• M7: 4,259,351 km (0.086 R)
• M8: 5,093,209 km (0.083 R)
• M9: 5,947,712 km (0.1 R)
• M10: 7,211,066 km (0.059 R)
• M11: 9,238,865 km (0.077 R)
• M12: 13,193,784 km (0.117 R)
• M13: 14,081,648 km (0.092 R)
• M14: 14,591,926 km (0.115 R)
• M15: 15,114,471 km (0.083 R)
• M16: 15,703,588 km (0.069 R)
• M17: 18,334,715 km (0.112 R)
• M18: 20,394,528 km (0.119 R)
• M19: 23,946,281 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.1

Radius: 9.2

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.56 AU - 3.72 AU

Year: 4710 Days

Day: 14.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 154.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,836,563 km

• M1: 114,891 km (0.119 R)
• M2: 543,190 km (0.11 R)
• M3: 1,305,092 km (0.035 R)
• M4: 1,789,340 km (0.028 R)
• M5: 3,063,166 km (0.107 R)
• M6: 3,858,129 km (0.118 R)
• M7: 4,884,819 km (0.056 R)
• M8: 5,246,996 km (0.112 R)
• M9: 5,626,974 km (0.117 R)
• M10: 6,878,660 km (0.046 R)
• M11: 7,672,426 km (0.093 R)
• M12: 7,985,385 km (0.038 R)
• M13: 9,245,448 km (0.092 R)
• M14: 11,154,915 km (0.047 R)
• M15: 12,108,601 km (0.06 R)
• M16: 12,822,333 km (0.088 R)
• M17: 18,070,525 km (0.097 R)
• M18: 19,192,360 km (0.085 R)
• M19: 21,232,426 km (0.09 R)
• M20: 21,712,485 km (0.089 R)
• M21: 24,820,980 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.7

Radius: 11

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.3 AU - 4.78 AU

Year: 5508 Days

Day: 6.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,836,563 km

• M1: 139,874 km (0.098 R)
• M2: 638,783 km (0.075 R)
• M3: 2,193,105 km (0.108 R)
• M4: 2,665,984 km (0.119 R)
• M5: 3,278,886 km (0.076 R)
• M6: 4,067,716 km (0.052 R)
• M7: 4,484,495 km (0.092 R)
• M8: 5,430,552 km (0.108 R)
• M9: 7,170,376 km (0.117 R)
• M10: 8,184,500 km (0.06 R)
• M11: 8,708,541 km (0.113 R)
• M12: 9,555,265 km (0.038 R)
• M13: 10,864,994 km (0.117 R)
• M14: 11,242,130 km (0.044 R)
• M15: 11,671,327 km (0.058 R)
• M16: 13,691,796 km (0.098 R)
• M17: 15,881,908 km (0.094 R)
• M18: 16,808,817 km (0.083 R)
• M19: 19,011,047 km (0.076 R)
• M20: 21,009,375 km (0.102 R)
• M21: 22,937,991 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.1

Radius: 7.2

Gravity: 12.96 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.53 AU - 7.81 AU

Year: 11684 Days

Day: 24.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,836,563 km

• M1: 93,199 km (0.059 R)
• M2: 423,512 km (0.106 R)
• M3: 964,158 km (0.108 R)
• M4: 1,210,696 km (0.066 R)
• M5: 1,950,906 km (0.044 R)
• M6: 2,274,486 km (0.117 R)
• M7: 2,612,577 km (0.063 R)
• M8: 4,896,039 km (0.104 R)
• M9: 5,257,318 km (0.112 R)
• M10: 6,069,934 km (0.049 R)
• M11: 6,333,226 km (0.066 R)
• M12: 6,802,365 km (0.099 R)
• M13: 7,294,243 km (0.12 R)
• M14: 7,678,709 km (0.045 R)
• M15: 7,942,301 km (0.114 R)
• M16: 8,395,283 km (0.057 R)
• M17: 8,817,598 km (0.056 R)
• M18: 9,502,457 km (0.084 R)
• M19: 12,180,259 km (0.076 R)
• M20: 12,479,006 km (0.094 R)
• M21: 13,916,791 km (0.041 R)
• M22: 15,812,196 km (0.031 R)
• M23: 21,033,610 km (0.08 R)
• M24: 21,463,854 km (0.061 R)
• M25: 25,410,694 km (0.108 R)
• M26: 27,708,218 km (0.084 R)
• M27: 28,017,736 km (0.116 R)
• M28: 38,031,668 km (0.093 R)
• M29: 38,414,040 km (0.114 R)
• M30: 40,629,585 km (0.115 R)
• M31: 45,028,510 km (0.085 R)
• M32: 47,342,490 km (0.112 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 16,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit