🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.42 AU - 0.66 AU

Year: 260 Days

Day: 28.4 Hours

Environment

Temp: -124 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.8

Radius: 11.6

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.06 AU - 1.16 AU

Year: 767 Days

Day: 9.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,816,216 km

• M1: 144,212 km (0.115 R)
• M2: 520,750 km (0.103 R)
• M3: 1,200,224 km (0.068 R)
• M4: 1,632,711 km (0.089 R)
• M5: 2,101,102 km (0.057 R)
• M6: 2,624,695 km (0.11 R)
• M7: 3,234,306 km (0.108 R)
• M8: 3,773,457 km (0.08 R)
• M9: 4,276,106 km (0.083 R)
• M10: 5,015,568 km (0.058 R)
• M11: 6,640,799 km (0.118 R)
• M12: 7,375,923 km (0.047 R)
• M13: 7,919,861 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.9

Radius: 14.2

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.23 AU - 1.65 AU

Year: 1134 Days

Day: 13.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,816,216 km

• M1: 176,525 km (0.108 R)
• M2: 762,800 km (0.052 R)
• M3: 1,219,223 km (0.096 R)
• M4: 2,155,257 km (0.093 R)
• M5: 3,318,530 km (0.081 R)
• M6: 3,816,242 km (0.097 R)
• M7: 4,346,117 km (0.102 R)
• M8: 5,408,113 km (0.042 R)
• M9: 7,253,552 km (0.03 R)
• M10: 8,833,156 km (0.104 R)
• M11: 10,697,744 km (0.119 R)
• M12: 12,187,290 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.5

Radius: 14.7

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.27 AU - 1.71 AU

Year: 1193 Days

Day: 5.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,816,216 km

• M1: 183,108 km (0.096 R)
• M2: 683,213 km (0.074 R)
• M3: 1,224,907 km (0.111 R)
• M4: 1,839,306 km (0.101 R)
• M5: 3,616,828 km (0.077 R)
• M6: 4,563,633 km (0.116 R)
• M7: 5,878,000 km (0.077 R)
• M8: 6,532,789 km (0.119 R)
• M9: 7,407,189 km (0.099 R)
• M10: 8,466,043 km (0.062 R)
• M11: 9,331,915 km (0.085 R)
• M12: 10,598,411 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.1

Radius: 14.4

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.64 AU - 1.76 AU

Year: 1454 Days

Day: 5.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,816,216 km

• M1: 179,069 km (0.093 R)
• M2: 787,184 km (0.083 R)
• M3: 1,287,738 km (0.089 R)
• M4: 2,509,355 km (0.095 R)
• M5: 3,152,326 km (0.061 R)
• M6: 4,003,987 km (0.102 R)
• M7: 4,906,960 km (0.085 R)
• M8: 5,788,839 km (0.095 R)
• M9: 6,418,197 km (0.106 R)
• M10: 9,991,941 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518

Radius: 11.4

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.48 AU - 1.96 AU

Year: 1480 Days

Day: 5.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,816,216 km

• M1: 141,819 km (0.033 R)
• M2: 512,074 km (0.036 R)
• M3: 897,288 km (0.072 R)
• M4: 1,606,382 km (0.087 R)
• M5: 2,413,612 km (0.084 R)
• M6: 2,789,402 km (0.085 R)
• M7: 3,629,244 km (0.096 R)
• M8: 4,537,303 km (0.108 R)
• M9: 5,359,493 km (0.107 R)
• M10: 6,005,607 km (0.111 R)
• M11: 7,021,526 km (0.069 R)
• M12: 7,531,654 km (0.049 R)
• M13: 7,903,256 km (0.084 R)
• M14: 8,371,048 km (0.101 R)
• M15: 9,949,306 km (0.037 R)
• M16: 11,027,158 km (0.11 R)
• M17: 11,507,367 km (0.031 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.3

Radius: 13.6

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.22 AU - 2.24 AU

Year: 2185 Days

Day: 7.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,816,216 km

• M1: 170,691 km (0.108 R)
• M2: 877,242 km (0.082 R)
• M3: 1,311,824 km (0.082 R)
• M4: 1,871,469 km (0.084 R)
• M5: 3,624,457 km (0.028 R)
• M6: 5,162,772 km (0.115 R)
• M7: 5,655,996 km (0.114 R)
• M8: 6,426,575 km (0.059 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.4

Radius: 12.4

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.57 AU - 5.29 AU

Year: 6117 Days

Day: 8.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,816,216 km

• M1: 163,211 km (0.038 R)
• M2: 638,334 km (0.116 R)
• M3: 1,143,825 km (0.087 R)
• M4: 1,679,236 km (0.107 R)
• M5: 2,477,640 km (0.036 R)
• M6: 3,557,886 km (0.055 R)
• M7: 6,894,517 km (0.075 R)
• M8: 8,375,386 km (0.104 R)
• M9: 9,211,489 km (0.114 R)
• M10: 9,885,278 km (0.075 R)
• M11: 11,811,051 km (0.09 R)
• M12: 12,811,113 km (0.088 R)
• M13: 14,360,498 km (0.118 R)
• M14: 15,324,806 km (0.114 R)
• M15: 16,271,461 km (0.113 R)
• M16: 20,592,895 km (0.054 R)
• M17: 22,713,146 km (0.066 R)
• M18: 23,322,906 km (0.108 R)
• M19: 25,871,306 km (0.034 R)
• M20: 27,900,751 km (0.044 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.6

Radius: 6

Gravity: 17.52 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.96 AU - 7.44 AU

Year: 11377 Days

Day: 18.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,816,216 km

• M1: 74,949 km (0.081 R)
• M2: 380,577 km (0.094 R)
• M3: 660,325 km (0.078 R)
• M4: 1,500,167 km (0.044 R)
• M5: 1,982,321 km (0.092 R)
• M6: 2,363,946 km (0.068 R)
• M7: 5,721,371 km (0.111 R)
• M8: 6,455,447 km (0.072 R)
• M9: 7,888,296 km (0.073 R)
• M10: 8,333,948 km (0.117 R)
• M11: 9,521,156 km (0.094 R)
• M12: 9,771,434 km (0.086 R)
• M13: 10,129,272 km (0.076 R)
• M14: 10,655,707 km (0.103 R)
• M15: 10,980,035 km (0.098 R)
• M16: 11,311,095 km (0.115 R)
• M17: 14,929,419 km (0.104 R)
• M18: 15,610,837 km (0.052 R)
• M19: 17,479,015 km (0.068 R)
• M20: 20,058,382 km (0.043 R)
• M21: 23,785,613 km (0.058 R)
• M22: 27,442,233 km (0.056 R)
• M23: 28,774,552 km (0.071 R)
• M24: 29,192,977 km (0.099 R)
• M25: 29,615,442 km (0.101 R)
• M26: 29,828,319 km (0.089 R)
• M27: 31,236,335 km (0.119 R)
• M28: 32,574,787 km (0.067 R)
• M29: 38,691,395 km (0.092 R)
• M30: 39,201,224 km (0.119 R)
• M31: 45,107,947 km (0.04 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 18,227 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit