🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.3

Radius: 12.5

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.68 AU - 0.82 AU

Year: 448 Days

Day: 12.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,529,780 km

• M1: 155,432 km (0.102 R)
• M2: 567,275 km (0.084 R)
• M3: 999,463 km (0.115 R)
• M4: 1,461,571 km (0.092 R)
• M5: 2,531,495 km (0.089 R)
• M6: 3,510,763 km (0.054 R)
• M7: 3,919,614 km (0.101 R)
• M8: 4,593,253 km (0.043 R)
• M9: 5,425,316 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409

Radius: 12

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.4 AU - 2.68 AU

Year: 2794 Days

Day: 5.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,529,780 km

• M1: 149,299 km (0.074 R)
• M2: 575,054 km (0.114 R)
• M3: 980,913 km (0.091 R)
• M4: 1,471,295 km (0.109 R)
• M5: 2,017,028 km (0.071 R)
• M6: 2,709,816 km (0.116 R)
• M7: 3,468,726 km (0.102 R)
• M8: 4,344,621 km (0.119 R)
• M9: 5,110,862 km (0.06 R)
• M10: 5,890,416 km (0.071 R)
• M11: 6,296,126 km (0.092 R)
• M12: 7,364,105 km (0.1 R)
• M13: 8,171,784 km (0.101 R)
• M14: 11,488,817 km (0.079 R)
• M15: 11,883,307 km (0.075 R)
• M16: 12,451,031 km (0.114 R)
• M17: 12,909,698 km (0.074 R)
• M18: 13,379,585 km (0.1 R)
• M19: 14,038,863 km (0.109 R)
• M20: 14,673,606 km (0.068 R)
• M21: 15,806,062 km (0.097 R)
• M22: 17,046,827 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.4

Radius: 12.3

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.78 AU - 3 AU

Year: 3391 Days

Day: 14.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,529,780 km

• M1: 153,487 km (0.111 R)
• M2: 666,309 km (0.084 R)
• M3: 1,079,199 km (0.065 R)
• M4: 2,496,639 km (0.107 R)
• M5: 3,348,449 km (0.071 R)
• M6: 4,364,069 km (0.102 R)
• M7: 4,819,445 km (0.097 R)
• M8: 5,699,828 km (0.032 R)
• M9: 7,686,039 km (0.109 R)
• M10: 8,158,769 km (0.1 R)
• M11: 10,511,794 km (0.098 R)
• M12: 11,055,582 km (0.039 R)
• M13: 11,618,070 km (0.092 R)
• M14: 13,420,724 km (0.066 R)
• M15: 13,922,176 km (0.101 R)
• M16: 14,721,777 km (0.088 R)
• M17: 16,054,395 km (0.066 R)
• M18: 17,251,776 km (0.101 R)
• M19: 17,845,081 km (0.079 R)
• M20: 18,396,200 km (0.06 R)
• M21: 18,901,841 km (0.06 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 825.7

Radius: 4.7

Gravity: 37.38 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.67 AU - 9.65 AU

Year: 17591 Days

Day: 24 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,529,780 km

• M1: 58,642 km (0.096 R)
• M2: 233,223 km (0.091 R)
• M3: 679,773 km (0.115 R)
• M4: 1,072,467 km (0.102 R)
• M5: 1,671,607 km (0.113 R)
• M6: 2,165,878 km (0.112 R)
• M7: 3,790,511 km (0.107 R)
• M8: 4,706,050 km (0.07 R)
• M9: 8,584,973 km (0.089 R)
• M10: 9,067,426 km (0.095 R)
• M11: 9,624,529 km (0.094 R)
• M12: 10,684,430 km (0.106 R)
• M13: 14,852,974 km (0.052 R)
• M14: 18,987,560 km (0.057 R)
• M15: 19,621,406 km (0.085 R)
• M16: 23,106,139 km (0.071 R)
• M17: 25,209,635 km (0.066 R)
• M18: 27,898,357 km (0.042 R)
• M19: 31,772,045 km (0.112 R)
• M20: 32,407,985 km (0.049 R)
• M21: 32,793,648 km (0.086 R)
• M22: 36,402,996 km (0.101 R)
• M23: 38,950,947 km (0.035 R)
• M24: 44,556,828 km (0.081 R)
• M25: 45,835,740 km (0.102 R)
• M26: 49,819,083 km (0.117 R)
• M27: 55,664,021 km (0.113 R)
• M28: 57,146,835 km (0.074 R)
• M29: 57,521,578 km (0.101 R)
• M30: 58,465,690 km (0.085 R)
• M31: 69,328,440 km (0.08 R)
• M32: 72,568,132 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.6

Radius: 7.7

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.45 AU - 10.91 AU

Year: 19199 Days

Day: 20.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,529,780 km

• M1: 95,743 km (0.109 R)
• M2: 602,431 km (0.1 R)
• M3: 1,862,643 km (0.093 R)
• M4: 2,583,106 km (0.041 R)
• M5: 3,843,468 km (0.105 R)
• M6: 8,771,970 km (0.086 R)
• M7: 15,307,752 km (0.117 R)
• M8: 17,171,442 km (0.113 R)
• M9: 17,471,087 km (0.091 R)
• M10: 18,157,890 km (0.048 R)
• M11: 22,751,443 km (0.044 R)
• M12: 24,787,470 km (0.072 R)
• M13: 31,396,105 km (0.101 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: 374 - 11,258 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit