🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.6

Radius: 14

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.41 AU - 0.63 AU

Year: 254 Days

Day: 5.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 49,831,934 km

• M1: 174,132 km (0.086 R)
• M2: 622,477 km (0.111 R)
• M3: 1,081,742 km (0.12 R)
• M4: 1,530,536 km (0.084 R)
• M5: 3,251,959 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.3

Radius: 10.2

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.99 AU - 1.29 AU

Year: 826 Days

Day: 11.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,831,934 km

• M1: 139,276 km (0.064 R)
• M2: 456,573 km (0.039 R)
• M3: 827,575 km (0.032 R)
• M4: 1,212,192 km (0.026 R)
• M5: 2,103,944 km (0.109 R)
• M6: 2,503,371 km (0.029 R)
• M7: 3,342,914 km (0.1 R)
• M8: 3,952,825 km (0.095 R)
• M9: 4,393,989 km (0.098 R)
• M10: 5,492,635 km (0.038 R)
• M11: 6,607,588 km (0.045 R)
• M12: 7,254,450 km (0.062 R)
• M13: 7,791,805 km (0.116 R)
• M14: 8,303,280 km (0.069 R)
• M15: 8,755,365 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.7

Radius: 13

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.71 AU - 2.47 AU

Year: 2049 Days

Day: 5 Hours

Environment

Temp: -195 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,831,934 km

• M1: 166,353 km (0.115 R)
• M2: 586,872 km (0.108 R)
• M3: 2,081,355 km (0.075 R)
• M4: 2,739,586 km (0.107 R)
• M5: 3,533,352 km (0.065 R)
• M6: 4,093,297 km (0.115 R)
• M7: 5,251,484 km (0.105 R)
• M8: 5,661,831 km (0.032 R)
• M9: 6,093,570 km (0.086 R)
• M10: 10,675,454 km (0.07 R)
• M11: 11,169,276 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.6

Radius: 13

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.76 AU - 3.68 AU

Year: 3919 Days

Day: 8.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,831,934 km

• M1: 164,109 km (0.099 R)
• M2: 764,296 km (0.066 R)
• M3: 1,324,988 km (0.069 R)
• M4: 2,235,740 km (0.103 R)
• M5: 2,728,216 km (0.052 R)
• M6: 4,865,671 km (0.039 R)
• M7: 7,011,353 km (0.106 R)
• M8: 8,377,630 km (0.091 R)
• M9: 10,770,000 km (0.062 R)
• M10: 13,354,153 km (0.106 R)
• M11: 14,107,827 km (0.115 R)
• M12: 15,291,446 km (0.116 R)
• M13: 16,380,368 km (0.101 R)
• M14: 17,244,147 km (0.086 R)
• M15: 19,239,633 km (0.037 R)
• M16: 20,694,173 km (0.031 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.2

Radius: 8.7

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.16 AU - 4.46 AU

Year: 5044 Days

Day: 11.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,831,934 km

• M1: 126,261 km (0.11 R)
• M2: 515,065 km (0.098 R)
• M3: 825,331 km (0.081 R)
• M4: 1,402,480 km (0.062 R)
• M5: 2,122,345 km (0.113 R)
• M6: 3,019,184 km (0.042 R)
• M7: 3,946,841 km (0.098 R)
• M8: 5,053,117 km (0.081 R)
• M9: 5,793,626 km (0.054 R)
• M10: 6,136,355 km (0.104 R)
• M11: 7,067,303 km (0.115 R)
• M12: 10,195,544 km (0.086 R)
• M13: 10,579,113 km (0.109 R)
• M14: 11,580,072 km (0.055 R)
• M15: 13,130,654 km (0.101 R)
• M16: 14,381,143 km (0.085 R)
• M17: 16,481,347 km (0.104 R)
• M18: 17,170,844 km (0.115 R)
• M19: 18,494,186 km (0.063 R)
• M20: 19,007,457 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.1

Radius: 10.8

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.21 AU - 4.79 AU

Year: 5426 Days

Day: 11.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,831,934 km

• M1: 135,236 km (0.091 R)
• M2: 480,060 km (0.077 R)
• M3: 817,104 km (0.09 R)
• M4: 1,311,973 km (0.108 R)
• M5: 1,656,198 km (0.091 R)
• M6: 2,031,689 km (0.08 R)
• M7: 2,464,326 km (0.074 R)
• M8: 3,999,948 km (0.103 R)
• M9: 4,793,116 km (0.1 R)
• M10: 5,596,606 km (0.116 R)
• M11: 6,159,094 km (0.097 R)
• M12: 7,108,741 km (0.119 R)
• M13: 7,618,870 km (0.093 R)
• M14: 9,169,901 km (0.1 R)
• M15: 9,997,327 km (0.066 R)
• M16: 14,549,739 km (0.12 R)
• M17: 15,016,485 km (0.075 R)
• M18: 18,637,800 km (0.056 R)
• M19: 23,433,908 km (0.105 R)
• M20: 27,374,765 km (0.111 R)
• M21: 33,624,365 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.2

Radius: 3.4

Gravity: 20.95 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.86 AU - 10.82 AU

Year: 17827 Days

Day: 20 Hours

Environment

Temp: -243 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 49,831,934 km

• M1: 43,084 km (0.055 R)
• M2: 154,235 km (0.117 R)
• M3: 313,707 km (0.07 R)
• M4: 434,582 km (0.115 R)
• M5: 783,444 km (0.091 R)
• M6: 1,022,352 km (0.103 R)
• M7: 1,947,914 km (0.05 R)
• M8: 3,041,474 km (0.118 R)
• M9: 3,524,227 km (0.108 R)
• M10: 3,678,612 km (0.062 R)
• M11: 4,028,521 km (0.108 R)
• M12: 4,197,417 km (0.072 R)
• M13: 5,113,255 km (0.059 R)
• M14: 5,828,483 km (0.105 R)
• M15: 6,191,557 km (0.098 R)
• M16: 6,843,055 km (0.078 R)
• M17: 7,329,697 km (0.092 R)
• M18: 7,752,461 km (0.05 R)
• M19: 7,882,312 km (0.083 R)
• M20: 9,857,752 km (0.109 R)
• M21: 10,583,152 km (0.117 R)
• M22: 12,432,780 km (0.115 R)
• M23: 15,766,868 km (0.108 R)
• M24: 18,471,747 km (0.094 R)
• M25: 18,781,414 km (0.068 R)
• M26: 19,570,992 km (0.09 R)
• M27: 22,245,652 km (0.037 R)
• M28: 23,129,028 km (0.1 R)
• M29: 24,219,596 km (0.118 R)
• M30: 27,194,499 km (0.081 R)
• M31: 27,797,080 km (0.099 R)
• M32: 30,189,748 km (0.117 R)
• M33: 31,490,801 km (0.111 R)
• M34: 34,671,251 km (0.076 R)
• M35: 39,961,930 km (0.082 R)
• M36: 44,230,854 km (0.069 R)
• M37: 48,499,630 km (0.065 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 19,407 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit