🌌 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: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.6

Radius: 12.3

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.6 AU - 0.8 AU

Year: 372 Days

Day: 10 Hours

Environment

Temp: -143 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,757,259 km

• M1: 153,039 km (0.082 R)
• M2: 615,296 km (0.079 R)
• M3: 1,086,230 km (0.097 R)
• M4: 1,513,033 km (0.098 R)
• M5: 1,905,727 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.3

Radius: 14.9

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.82 AU - 1.06 AU

Year: 579 Days

Day: 10 Hours

Environment

Temp: -149 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,757,259 km

• M1: 185,352 km (0.088 R)
• M2: 752,328 km (0.091 R)
• M3: 1,377,497 km (0.089 R)
• M4: 1,870,871 km (0.101 R)
• M5: 2,468,066 km (0.115 R)
• M6: 4,054,551 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.6

Radius: 9.9

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.05 AU - 1.67 AU

Year: 1008 Days

Day: 6.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,757,259 km

• M1: 126,709 km (0.101 R)
• M2: 578,495 km (0.093 R)
• M3: 964,009 km (0.104 R)
• M4: 1,343,239 km (0.072 R)
• M5: 1,986,809 km (0.117 R)
• M6: 2,691,864 km (0.06 R)
• M7: 3,169,680 km (0.099 R)
• M8: 4,038,395 km (0.101 R)
• M9: 4,507,234 km (0.099 R)
• M10: 5,737,826 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.2

Radius: 8.8

Gravity: 10.42 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2 AU - 2.44 AU

Year: 2103 Days

Day: 5.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,757,259 km

• M1: 109,506 km (0.066 R)
• M2: 387,458 km (0.066 R)
• M3: 703,559 km (0.099 R)
• M4: 1,003,503 km (0.097 R)
• M5: 1,564,195 km (0.067 R)
• M6: 1,852,919 km (0.111 R)
• M7: 2,152,265 km (0.107 R)
• M8: 2,699,194 km (0.06 R)
• M9: 3,353,236 km (0.093 R)
• M10: 3,690,430 km (0.045 R)
• M11: 4,069,660 km (0.083 R)
• M12: 4,623,023 km (0.117 R)
• M13: 4,906,810 km (0.03 R)
• M14: 5,461,669 km (0.104 R)
• M15: 5,854,363 km (0.083 R)
• M16: 6,641,547 km (0.092 R)
• M17: 7,262,229 km (0.055 R)
• M18: 7,921,207 km (0.085 R)
• M19: 8,750,727 km (0.031 R)
• M20: 10,770,299 km (0.12 R)
• M21: 11,706,931 km (0.105 R)
• M22: 13,475,477 km (0.086 R)
• M23: 16,001,736 km (0.101 R)
• M24: 16,807,171 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.4

Radius: 10.3

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.14 AU - 3.26 AU

Year: 3640 Days

Day: 9.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,757,259 km

• M1: 128,205 km (0.119 R)
• M2: 560,693 km (0.1 R)
• M3: 1,079,199 km (0.063 R)
• M4: 1,593,517 km (0.038 R)
• M5: 2,112,322 km (0.065 R)
• M6: 2,959,794 km (0.065 R)
• M7: 3,319,278 km (0.098 R)
• M8: 3,809,959 km (0.072 R)
• M9: 5,578,205 km (0.107 R)
• M10: 6,016,976 km (0.097 R)
• M11: 7,215,404 km (0.115 R)
• M12: 7,538,536 km (0.053 R)
• M13: 9,151,500 km (0.074 R)
• M14: 10,320,308 km (0.025 R)
• M15: 10,648,077 km (0.072 R)
• M16: 11,281,624 km (0.118 R)
• M17: 12,210,627 km (0.109 R)
• M18: 13,237,766 km (0.085 R)
• M19: 14,730,005 km (0.092 R)
• M20: 16,166,144 km (0.096 R)
• M21: 17,868,867 km (0.067 R)
• M22: 18,642,737 km (0.097 R)
• M23: 19,625,595 km (0.051 R)
• M24: 21,230,032 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.2

Radius: 12.9

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.11 AU - 4.33 AU

Year: 5512 Days

Day: 5.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,757,259 km

• M1: 162,613 km (0.077 R)
• M2: 748,588 km (0.069 R)
• M3: 1,518,568 km (0.075 R)
• M4: 2,926,134 km (0.12 R)
• M5: 3,968,084 km (0.106 R)
• M6: 4,927,305 km (0.041 R)
• M7: 6,251,396 km (0.042 R)
• M8: 7,660,009 km (0.07 R)
• M9: 10,532,288 km (0.08 R)
• M10: 12,094,838 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.7

Radius: 6.3

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 9.97 AU - 11.97 AU

Year: 23102 Days

Day: 16.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,757,259 km

• M1: 79,736 km (0.058 R)
• M2: 296,353 km (0.034 R)
• M3: 600,037 km (0.08 R)
• M4: 913,744 km (0.108 R)
• M5: 1,374,505 km (0.114 R)
• M6: 1,673,551 km (0.067 R)
• M7: 2,322,058 km (0.115 R)
• M8: 2,550,344 km (0.116 R)
• M9: 2,793,740 km (0.056 R)
• M10: 3,301,625 km (0.072 R)
• M11: 3,728,428 km (0.113 R)
• M12: 6,195,596 km (0.065 R)
• M13: 6,433,905 km (0.091 R)
• M14: 6,719,637 km (0.041 R)
• M15: 7,316,682 km (0.079 R)
• M16: 7,902,059 km (0.04 R)
• M17: 8,963,156 km (0.067 R)
• M18: 10,502,818 km (0.103 R)
• M19: 10,899,402 km (0.115 R)
• M20: 11,662,351 km (0.102 R)
• M21: 12,712,827 km (0.12 R)
• M22: 15,796,338 km (0.091 R)
• M23: 16,316,789 km (0.078 R)
• M24: 19,428,874 km (0.105 R)
• M25: 19,854,330 km (0.11 R)
• M26: 26,587,431 km (0.12 R)
• M27: 29,726,443 km (0.108 R)
• M28: 32,266,316 km (0.076 R)
• M29: 36,213,605 km (0.085 R)
• M30: 37,641,667 km (0.078 R)
• M31: 41,867,208 km (0.1 R)
• M32: 44,313,432 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 11,450 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit