🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.46 AU - 0.7 AU

Year: 290 Days

Day: 34.9 Hours

Environment

Temp: -117 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,108,870 km

• M1: 844,031 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.5

Radius: 14.4

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.97 AU - 1.01 AU

Year: 646 Days

Day: 9.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,108,870 km

• M1: 179,218 km (0.043 R)
• M2: 675,883 km (0.049 R)
• M3: 1,411,306 km (0.076 R)
• M4: 1,872,217 km (0.111 R)
• M5: 2,536,731 km (0.088 R)
• M6: 3,041,175 km (0.088 R)
• M7: 3,869,648 km (0.107 R)
• M8: 4,574,553 km (0.105 R)
• M9: 5,175,488 km (0.112 R)
• M10: 5,902,534 km (0.112 R)
• M11: 6,696,898 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.8

Radius: 14.8

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.27 AU - 1.53 AU

Year: 1087 Days

Day: 10 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,108,870 km

• M1: 192,981 km (0.068 R)
• M2: 1,055,862 km (0.101 R)
• M3: 1,765,105 km (0.119 R)
• M4: 2,548,998 km (0.107 R)
• M5: 3,080,819 km (0.111 R)
• M6: 6,144,433 km (0.057 R)
• M7: 7,298,132 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.5

Radius: 10.6

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.09 AU - 3.17 AU

Year: 2798 Days

Day: 10.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,108,870 km

• M1: 131,796 km (0.047 R)
• M2: 488,736 km (0.105 R)
• M3: 888,462 km (0.119 R)
• M4: 1,496,876 km (0.115 R)
• M5: 1,925,325 km (0.112 R)
• M6: 2,494,694 km (0.105 R)
• M7: 3,161,601 km (0.11 R)
• M8: 3,740,096 km (0.086 R)
• M9: 5,585,386 km (0.091 R)
• M10: 6,317,368 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.8

Radius: 12.3

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.79 AU - 4.23 AU

Year: 4314 Days

Day: 6.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,108,870 km

• M1: 153,039 km (0.098 R)
• M2: 609,013 km (0.067 R)
• M3: 1,514,678 km (0.03 R)
• M4: 2,232,150 km (0.109 R)
• M5: 2,623,647 km (0.111 R)
• M6: 3,399,013 km (0.083 R)
• M7: 4,936,730 km (0.105 R)
• M8: 5,506,249 km (0.118 R)
• M9: 5,901,038 km (0.092 R)
• M10: 7,803,623 km (0.094 R)
• M11: 8,440,013 km (0.052 R)
• M12: 9,146,863 km (0.066 R)
• M13: 10,320,308 km (0.072 R)
• M14: 11,337,723 km (0.119 R)
• M15: 12,555,300 km (0.035 R)
• M16: 13,524,246 km (0.106 R)
• M17: 14,592,076 km (0.111 R)
• M18: 17,733,481 km (0.058 R)
• M19: 19,251,301 km (0.066 R)
• M20: 21,753,026 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.7

Radius: 14.3

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.11 AU - 6.57 AU

Year: 8095 Days

Day: 10.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,108,870 km

• M1: 178,171 km (0.09 R)
• M2: 943,215 km (0.119 R)
• M3: 1,389,465 km (0.075 R)
• M4: 1,842,896 km (0.098 R)
• M5: 2,364,694 km (0.063 R)
• M6: 3,142,004 km (0.097 R)
• M7: 4,036,899 km (0.117 R)
• M8: 4,821,689 km (0.027 R)
• M9: 5,646,123 km (0.032 R)
• M10: 6,398,002 km (0.063 R)
• M11: 9,438,279 km (0.085 R)
• M12: 13,771,830 km (0.075 R)
• M13: 14,273,133 km (0.061 R)
• M14: 15,312,539 km (0.053 R)
• M15: 16,526,077 km (0.11 R)
• M16: 17,737,371 km (0.102 R)
• M17: 19,075,524 km (0.107 R)
• M18: 20,336,484 km (0.106 R)
• M19: 24,615,881 km (0.12 R)
• M20: 25,856,795 km (0.106 R)
• M21: 29,187,143 km (0.096 R)
• M22: 30,483,109 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.8

Radius: 4.8

Gravity: 19.13 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.28 AU - 9.5 AU

Year: 14539 Days

Day: 21.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,108,870 km

• M1: 59,690 km (0.086 R)
• M2: 214,823 km (0.11 R)
• M3: 510,129 km (0.102 R)
• M4: 680,222 km (0.095 R)
• M5: 898,634 km (0.086 R)
• M6: 1,175,091 km (0.109 R)
• M7: 3,087,102 km (0.039 R)
• M8: 3,378,967 km (0.052 R)
• M9: 3,531,856 km (0.11 R)
• M10: 4,132,043 km (0.086 R)
• M11: 5,056,707 km (0.109 R)
• M12: 7,912,830 km (0.056 R)
• M13: 13,073,358 km (0.104 R)
• M14: 14,228,553 km (0.1 R)
• M15: 14,494,238 km (0.082 R)
• M16: 19,126,985 km (0.095 R)
• M17: 21,037,799 km (0.117 R)
• M18: 21,382,622 km (0.113 R)
• M19: 22,350,371 km (0.11 R)
• M20: 26,614,359 km (0.104 R)
• M21: 28,883,310 km (0.037 R)
• M22: 31,055,172 km (0.111 R)
• M23: 32,180,746 km (0.057 R)
• M24: 33,450,084 km (0.041 R)
• M25: 34,513,126 km (0.109 R)
• M26: 36,211,212 km (0.12 R)
• M27: 36,706,381 km (0.063 R)
• M28: 37,583,922 km (0.105 R)
• M29: 46,409,897 km (0.057 R)
• M30: 46,847,620 km (0.084 R)
• M31: 52,002,613 km (0.086 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 15,645 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit