🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.2

Radius: 13

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.58 AU - 0.86 AU

Year: 407 Days

Day: 5.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,933,313 km

• M1: 163,211 km (0.108 R)
• M2: 739,313 km (0.078 R)
• M3: 1,276,519 km (0.05 R)
• M4: 1,948,213 km (0.039 R)
• M5: 2,569,044 km (0.047 R)
• M6: 3,236,999 km (0.117 R)
• M7: 4,353,148 km (0.102 R)
• M8: 5,095,752 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.5

Radius: 10.3

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.82 AU - 1.22 AU

Year: 687 Days

Day: 14.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,933,313 km

• M1: 128,205 km (0.077 R)
• M2: 702,512 km (0.059 R)
• M3: 1,087,427 km (0.092 R)
• M4: 1,538,764 km (0.12 R)
• M5: 2,192,207 km (0.088 R)
• M6: 2,902,797 km (0.12 R)
• M7: 3,333,639 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.4

Radius: 13

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.19 AU - 1.63 AU

Year: 1116 Days

Day: 9.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,933,313 km

• M1: 161,715 km (0.089 R)
• M2: 596,297 km (0.108 R)
• M3: 1,402,630 km (0.085 R)
• M4: 2,317,869 km (0.12 R)
• M5: 3,176,262 km (0.094 R)
• M6: 3,944,297 km (0.118 R)
• M7: 4,388,304 km (0.089 R)
• M8: 4,898,881 km (0.041 R)
• M9: 5,342,589 km (0.068 R)
• M10: 6,964,379 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291

Radius: 12

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.45 AU - 3.33 AU

Year: 3276 Days

Day: 13.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,933,313 km

• M1: 149,299 km (0.111 R)
• M2: 589,416 km (0.11 R)
• M3: 1,133,204 km (0.066 R)
• M4: 1,527,394 km (0.066 R)
• M5: 2,374,567 km (0.078 R)
• M6: 2,988,965 km (0.068 R)
• M7: 3,653,330 km (0.118 R)
• M8: 4,155,829 km (0.113 R)
• M9: 4,620,031 km (0.07 R)
• M10: 5,823,247 km (0.115 R)
• M11: 6,250,648 km (0.114 R)
• M12: 7,253,552 km (0.076 R)
• M13: 10,246,557 km (0.085 R)
• M14: 10,908,826 km (0.101 R)
• M15: 11,404,743 km (0.097 R)
• M16: 11,796,540 km (0.115 R)
• M17: 12,524,184 km (0.118 R)
• M18: 13,410,851 km (0.071 R)
• M19: 15,027,555 km (0.112 R)
• M20: 17,124,468 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285

Radius: 14.1

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.69 AU - 4.23 AU

Year: 4292 Days

Day: 12.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,933,313 km

• M1: 175,329 km (0.111 R)
• M2: 788,381 km (0.115 R)
• M3: 1,265,598 km (0.1 R)
• M4: 1,780,215 km (0.052 R)
• M5: 2,231,103 km (0.11 R)
• M6: 2,713,556 km (0.061 R)
• M7: 3,644,653 km (0.116 R)
• M8: 4,113,642 km (0.078 R)
• M9: 5,795,721 km (0.115 R)
• M10: 6,246,160 km (0.088 R)
• M11: 7,584,462 km (0.12 R)
• M12: 8,092,347 km (0.115 R)
• M13: 8,555,353 km (0.067 R)
• M14: 9,390,408 km (0.105 R)
• M15: 10,744,269 km (0.042 R)
• M16: 11,675,067 km (0.059 R)
• M17: 13,148,905 km (0.106 R)
• M18: 14,549,440 km (0.064 R)
• M19: 15,136,612 km (0.086 R)
• M20: 15,638,064 km (0.086 R)
• M21: 17,209,440 km (0.088 R)
• M22: 18,145,474 km (0.051 R)
• M23: 19,115,018 km (0.083 R)
• M24: 20,178,958 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.2

Radius: 5.4

Gravity: 22.64 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.53 AU - 7.27 AU

Year: 12087 Days

Day: 15.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 26,933,313 km

• M1: 79,287 km (0.032 R)
• M2: 678,277 km (0.105 R)
• M3: 1,416,841 km (0.108 R)
• M4: 2,120,699 km (0.109 R)
• M5: 2,719,390 km (0.047 R)
• M6: 3,274,548 km (0.049 R)
• M7: 3,765,229 km (0.11 R)
• M8: 3,985,886 km (0.111 R)
• M9: 4,274,011 km (0.112 R)
• M10: 4,669,099 km (0.1 R)
• M11: 5,890,566 km (0.079 R)
• M12: 6,379,751 km (0.096 R)
• M13: 6,855,023 km (0.097 R)
• M14: 9,141,028 km (0.103 R)
• M15: 10,428,168 km (0.108 R)
• M16: 11,199,495 km (0.078 R)
• M17: 14,132,810 km (0.034 R)
• M18: 14,599,406 km (0.112 R)
• M19: 15,283,666 km (0.069 R)
• M20: 16,495,708 km (0.108 R)
• M21: 16,938,369 km (0.091 R)
• M22: 18,079,651 km (0.105 R)
• M23: 18,471,298 km (0.116 R)
• M24: 24,088,997 km (0.096 R)
• M25: 25,043,282 km (0.09 R)
• M26: 25,824,781 km (0.116 R)
• M27: 27,539,173 km (0.112 R)
• M28: 29,113,690 km (0.118 R)
• M29: 31,529,995 km (0.065 R)
• M30: 31,983,127 km (0.075 R)
• M31: 32,326,005 km (0.097 R)
• M32: 38,277,009 km (0.1 R)
• M33: 41,441,303 km (0.114 R)
• M34: 47,985,312 km (0.108 R)
• M35: 49,037,883 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30.6

Radius: 4.5

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.44 AU - 10.82 AU

Year: 19928 Days

Day: 21.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,933,313 km

• M1: 55,950 km (0.114 R)
• M2: 210,185 km (0.057 R)
• M3: 517,609 km (0.114 R)
• M4: 1,048,382 km (0.108 R)
• M5: 1,309,879 km (0.062 R)
• M6: 2,314,429 km (0.046 R)
• M7: 3,900,914 km (0.086 R)
• M8: 4,675,681 km (0.056 R)
• M9: 4,852,357 km (0.105 R)
• M10: 5,689,057 km (0.038 R)
• M11: 6,399,797 km (0.059 R)
• M12: 8,544,432 km (0.081 R)
• M13: 14,234,088 km (0.086 R)
• M14: 16,561,980 km (0.06 R)
• M15: 21,259,204 km (0.056 R)
• M16: 23,835,279 km (0.063 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 13,959 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit