🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.6

Radius: 12.8

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.67 AU - 0.71 AU

Year: 382 Days

Day: 5.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,902,957 km

• M1: 159,172 km (0.065 R)
• M2: 692,937 km (0.101 R)
• M3: 1,094,907 km (0.087 R)
• M4: 1,496,128 km (0.093 R)
• M5: 2,043,507 km (0.113 R)
• M6: 2,741,830 km (0.082 R)
• M7: 3,274,398 km (0.099 R)
• M8: 4,390,099 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.4

Radius: 10.2

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.01 AU - 1.49 AU

Year: 932 Days

Day: 8.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 115.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,902,957 km

• M1: 126,859 km (0.117 R)
• M2: 524,191 km (0.106 R)
• M3: 895,493 km (0.116 R)
• M4: 1,432,998 km (0.092 R)
• M5: 1,841,999 km (0.079 R)
• M6: 2,280,171 km (0.027 R)
• M7: 2,613,774 km (0.076 R)
• M8: 3,292,799 km (0.112 R)
• M9: 3,627,599 km (0.115 R)
• M10: 3,999,499 km (0.033 R)
• M11: 4,396,831 km (0.091 R)
• M12: 5,551,278 km (0.101 R)
• M13: 6,141,890 km (0.079 R)
• M14: 6,631,973 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.2

Radius: 8.6

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.58 AU - 1.82 AU

Year: 1478 Days

Day: 8.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,902,957 km

• M1: 106,962 km (0.092 R)
• M2: 549,623 km (0.03 R)
• M3: 981,063 km (0.059 R)
• M4: 1,329,626 km (0.11 R)
• M5: 1,610,122 km (0.071 R)
• M6: 1,972,298 km (0.107 R)
• M7: 2,624,096 km (0.096 R)
• M8: 2,986,422 km (0.102 R)
• M9: 3,845,264 km (0.105 R)
• M10: 4,553,310 km (0.077 R)
• M11: 5,200,620 km (0.116 R)
• M12: 6,390,522 km (0.052 R)
• M13: 7,074,633 km (0.071 R)
• M14: 7,434,416 km (0.106 R)
• M15: 9,793,574 km (0.113 R)
• M16: 11,772,455 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.2

Radius: 10.7

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.9 AU - 1.94 AU

Year: 1774 Days

Day: 5.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,902,957 km

• M1: 135,386 km (0.116 R)
• M2: 473,776 km (0.104 R)
• M3: 1,096,552 km (0.119 R)
• M4: 1,491,940 km (0.039 R)
• M5: 1,919,939 km (0.077 R)
• M6: 2,872,578 km (0.117 R)
• M7: 3,940,558 km (0.106 R)
• M8: 4,787,880 km (0.095 R)
• M9: 5,619,794 km (0.107 R)
• M10: 8,261,842 km (0.119 R)
• M11: 9,645,772 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960

Radius: 14.6

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.26 AU - 3 AU

Year: 2844 Days

Day: 9.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,902,957 km

• M1: 181,612 km (0.082 R)
• M2: 665,561 km (0.082 R)
• M3: 1,211,294 km (0.115 R)
• M4: 1,803,103 km (0.036 R)
• M5: 2,293,036 km (0.109 R)
• M6: 2,823,809 km (0.084 R)
• M7: 3,531,258 km (0.052 R)
• M8: 4,957,075 km (0.058 R)
• M9: 5,774,179 km (0.118 R)
• M10: 6,649,775 km (0.113 R)
• M11: 10,166,522 km (0.108 R)
• M12: 11,878,370 km (0.117 R)
• M13: 13,342,634 km (0.115 R)
• M14: 14,217,632 km (0.032 R)
• M15: 15,390,928 km (0.09 R)
• M16: 16,028,215 km (0.117 R)
• M17: 19,606,147 km (0.096 R)
• M18: 23,061,110 km (0.111 R)

Asteroid Belt

Center: 4.14 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647

Radius: 10.5

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.29 AU - 6.99 AU

Year: 8932 Days

Day: 7.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,902,957 km

• M1: 137,032 km (0.084 R)
• M2: 468,092 km (0.086 R)
• M3: 1,293,124 km (0.117 R)
• M4: 1,963,322 km (0.101 R)
• M5: 2,315,625 km (0.106 R)
• M6: 2,851,635 km (0.054 R)
• M7: 3,612,340 km (0.068 R)
• M8: 7,209,121 km (0.103 R)
• M9: 10,595,568 km (0.116 R)
• M10: 11,963,491 km (0.097 R)
• M11: 12,633,241 km (0.055 R)
• M12: 13,035,210 km (0.095 R)
• M13: 14,541,362 km (0.086 R)
• M14: 14,983,124 km (0.104 R)
• M15: 23,327,544 km (0.089 R)
• M16: 31,412,411 km (0.09 R)
• M17: 32,793,798 km (0.058 R)
• M18: 36,714,010 km (0.085 R)
• M19: 38,846,827 km (0.104 R)
• M20: 39,820,709 km (0.084 R)
• M21: 41,944,401 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74

Radius: 4.9

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.21 AU - 7.59 AU

Year: 12087 Days

Day: 15.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,902,957 km

• M1: 76,295 km (0.105 R)
• M2: 387,758 km (0.043 R)
• M3: 744,848 km (0.105 R)
• M4: 939,923 km (0.065 R)
• M5: 2,044,704 km (0.114 R)
• M6: 2,576,225 km (0.099 R)
• M7: 4,526,682 km (0.04 R)
• M8: 6,309,589 km (0.103 R)
• M9: 8,773,616 km (0.093 R)
• M10: 9,001,005 km (0.084 R)
• M11: 12,230,224 km (0.095 R)
• M12: 14,101,843 km (0.101 R)
• M13: 17,912,849 km (0.05 R)
• M14: 18,587,535 km (0.027 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 11,045 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit