🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.5

Radius: 11.7

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.04 AU - 1.62 AU

Year: 1023 Days

Day: 10.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,484,348 km

• M1: 145,559 km (0.083 R)
• M2: 527,931 km (0.118 R)
• M3: 921,972 km (0.087 R)
• M4: 1,346,830 km (0.049 R)
• M5: 1,798,166 km (0.089 R)
• M6: 2,819,022 km (0.1 R)
• M7: 3,283,224 km (0.081 R)
• M8: 3,946,541 km (0.032 R)
• M9: 4,646,510 km (0.06 R)
• M10: 5,427,710 km (0.078 R)
• M11: 6,191,557 km (0.108 R)
• M12: 6,631,674 km (0.095 R)
• M13: 7,205,681 km (0.107 R)
• M14: 8,103,866 km (0.058 R)
• M15: 8,631,498 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.5

Radius: 13.1

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.14 AU - 3.62 AU

Year: 4144 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 83 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,484,348 km

• M1: 163,211 km (0.054 R)
• M2: 670,946 km (0.109 R)
• M3: 1,298,958 km (0.062 R)
• M4: 2,184,279 km (0.091 R)
• M5: 2,692,762 km (0.076 R)
• M6: 3,202,142 km (0.116 R)
• M7: 3,863,215 km (0.116 R)
• M8: 4,790,423 km (0.09 R)
• M9: 5,487,549 km (0.047 R)
• M10: 5,919,737 km (0.11 R)
• M11: 6,723,377 km (0.102 R)
• M12: 7,775,349 km (0.068 R)
• M13: 9,949,754 km (0.027 R)
• M14: 11,041,220 km (0.057 R)
• M15: 12,701,158 km (0.082 R)
• M16: 13,931,900 km (0.105 R)
• M17: 14,467,610 km (0.029 R)
• M18: 17,850,616 km (0.107 R)
• M19: 20,265,276 km (0.111 R)
• M20: 21,657,583 km (0.107 R)
• M21: 23,187,221 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.9

Radius: 10.2

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.35 AU - 4.59 AU

Year: 5275 Days

Day: 8.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,484,348 km

• M1: 127,009 km (0.059 R)
• M2: 613,202 km (0.065 R)
• M3: 1,241,662 km (0.118 R)
• M4: 1,615,807 km (0.085 R)
• M5: 1,942,828 km (0.118 R)
• M6: 3,359,220 km (0.073 R)
• M7: 3,918,567 km (0.115 R)
• M8: 4,452,631 km (0.048 R)
• M9: 5,105,027 km (0.092 R)
• M10: 7,207,476 km (0.062 R)
• M11: 8,074,844 km (0.074 R)
• M12: 10,469,906 km (0.103 R)
• M13: 11,458,599 km (0.104 R)
• M14: 14,798,969 km (0.036 R)
• M15: 15,537,384 km (0.093 R)
• M16: 16,145,500 km (0.065 R)
• M17: 16,875,089 km (0.067 R)
• M18: 18,795,327 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985

Radius: 4.1

Gravity: 58.6 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.17 AU - 9.49 AU

Year: 14611 Days

Day: 19.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,484,348 km

• M1: 51,162 km (0.094 R)
• M2: 381,026 km (0.114 R)
• M3: 583,132 km (0.1 R)
• M4: 733,179 km (0.075 R)
• M5: 909,106 km (0.1 R)
• M6: 1,302,997 km (0.091 R)
• M7: 2,552,588 km (0.094 R)
• M8: 3,992,618 km (0.106 R)
• M9: 4,406,555 km (0.107 R)
• M10: 5,780,911 km (0.098 R)
• M11: 6,826,600 km (0.104 R)
• M12: 7,278,236 km (0.112 R)
• M13: 8,391,992 km (0.097 R)
• M14: 10,239,525 km (0.101 R)
• M15: 11,632,581 km (0.054 R)
• M16: 13,147,110 km (0.081 R)
• M17: 20,800,537 km (0.106 R)
• M18: 25,389,003 km (0.049 R)
• M19: 30,128,712 km (0.075 R)
• M20: 31,338,061 km (0.103 R)
• M21: 31,707,119 km (0.092 R)
• M22: 33,595,942 km (0.114 R)
• M23: 34,764,451 km (0.109 R)
• M24: 39,853,770 km (0.111 R)
• M25: 41,309,806 km (0.07 R)
• M26: 42,349,960 km (0.05 R)
• M27: 48,630,079 km (0.112 R)
• M28: 49,456,308 km (0.111 R)
• M29: 56,405,279 km (0.096 R)
• M30: 56,586,891 km (0.053 R)
• M31: 57,133,970 km (0.101 R)
• M32: 61,446,278 km (0.053 R)
• M33: 66,374,032 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.5

Radius: 7.9

Gravity: 11.95 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.46 AU - 8.94 AU

Year: 15659 Days

Day: 21.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,484,348 km

• M1: 98,286 km (0.082 R)
• M2: 407,505 km (0.034 R)
• M3: 927,208 km (0.038 R)
• M4: 1,199,027 km (0.069 R)
• M5: 1,463,815 km (0.082 R)
• M6: 2,398,203 km (0.11 R)
• M7: 2,707,422 km (0.042 R)
• M8: 3,433,720 km (0.085 R)
• M9: 3,683,698 km (0.065 R)
• M10: 4,036,151 km (0.079 R)
• M11: 4,573,955 km (0.111 R)
• M12: 4,877,489 km (0.097 R)
• M13: 7,034,690 km (0.044 R)
• M14: 8,004,533 km (0.038 R)
• M15: 8,346,813 km (0.065 R)
• M16: 10,207,063 km (0.066 R)
• M17: 11,632,282 km (0.095 R)
• M18: 13,388,860 km (0.104 R)
• M19: 16,305,719 km (0.105 R)
• M20: 16,856,538 km (0.087 R)
• M21: 22,868,727 km (0.104 R)
• M22: 25,187,793 km (0.074 R)
• M23: 26,673,600 km (0.068 R)
• M24: 26,999,424 km (0.036 R)
• M25: 35,903,788 km (0.102 R)
• M26: 38,332,061 km (0.118 R)
• M27: 40,723,832 km (0.092 R)
• M28: 44,724,378 km (0.048 R)
• M29: 45,030,754 km (0.077 R)
• M30: 45,802,829 km (0.072 R)
• M31: 53,496,348 km (0.044 R)
• M32: 65,690,968 km (0.115 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 18,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit