🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.6

Radius: 14.6

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.52 AU - 0.66 AU

Year: 307 Days

Day: 14.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,599,154 km

• M1: 181,612 km (0.118 R)
• M2: 1,030,729 km (0.03 R)
• M3: 1,678,039 km (0.107 R)
• M4: 2,352,726 km (0.114 R)
• M5: 3,183,293 km (0.087 R)
• M6: 5,025,441 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.2

Radius: 14.1

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.77 AU - 0.83 AU

Year: 485 Days

Day: 14.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,599,154 km

• M1: 175,478 km (0.036 R)
• M2: 699,220 km (0.114 R)
• M3: 1,440,927 km (0.074 R)
• M4: 1,895,405 km (0.062 R)
• M5: 2,353,025 km (0.109 R)
• M6: 2,863,602 km (0.085 R)
• M7: 3,895,529 km (0.118 R)
• M8: 4,572,010 km (0.106 R)
• M9: 5,359,194 km (0.106 R)
• M10: 6,106,884 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.8

Radius: 8.8

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.07 AU - 1.09 AU

Year: 761 Days

Day: 7.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,599,154 km

• M1: 110,553 km (0.089 R)
• M2: 388,206 km (0.062 R)
• M3: 750,832 km (0.056 R)
• M4: 1,050,476 km (0.11 R)
• M5: 1,474,885 km (0.059 R)
• M6: 1,790,687 km (0.095 R)
• M7: 2,219,883 km (0.093 R)
• M8: 2,626,939 km (0.038 R)
• M9: 3,034,144 km (0.119 R)
• M10: 3,363,559 km (0.118 R)
• M11: 3,674,722 km (0.092 R)
• M12: 4,034,804 km (0.109 R)
• M13: 4,355,392 km (0.119 R)
• M14: 4,927,754 km (0.039 R)
• M15: 5,294,717 km (0.112 R)
• M16: 6,693,308 km (0.111 R)
• M17: 7,056,532 km (0.08 R)
• M18: 7,523,427 km (0.108 R)
• M19: 7,892,933 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.2

Radius: 10.1

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.65 AU - 3.15 AU

Year: 3350 Days

Day: 10.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,599,154 km

• M1: 125,662 km (0.092 R)
• M2: 556,055 km (0.11 R)
• M3: 1,181,225 km (0.055 R)
• M4: 2,007,603 km (0.11 R)
• M5: 5,936,791 km (0.077 R)
• M6: 6,759,879 km (0.079 R)
• M7: 7,104,253 km (0.051 R)
• M8: 7,714,014 km (0.09 R)
• M9: 8,238,504 km (0.113 R)
• M10: 10,263,760 km (0.047 R)
• M11: 10,755,339 km (0.11 R)
• M12: 13,370,160 km (0.032 R)
• M13: 13,872,061 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.4

Radius: 8.1

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.76 AU - 3.74 AU

Year: 3974 Days

Day: 12.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,599,154 km

• M1: 100,829 km (0.076 R)
• M2: 440,865 km (0.085 R)
• M3: 921,373 km (0.115 R)
• M4: 3,753,261 km (0.092 R)
• M5: 6,961,088 km (0.09 R)
• M6: 7,999,597 km (0.095 R)
• M7: 10,618,158 km (0.037 R)
• M8: 11,604,756 km (0.115 R)
• M9: 13,759,414 km (0.091 R)
• M10: 14,239,773 km (0.079 R)
• M11: 16,865,365 km (0.078 R)
• M12: 19,138,205 km (0.093 R)
• M13: 20,347,854 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.5

Radius: 8.7

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.96 AU - 5.38 AU

Year: 6845 Days

Day: 8.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 22,599,154 km

• M1: 108,159 km (0.09 R)
• M2: 673,938 km (0.062 R)
• M3: 1,009,636 km (0.055 R)
• M4: 1,372,261 km (0.117 R)
• M5: 1,721,273 km (0.092 R)
• M6: 2,313,232 km (0.084 R)
• M7: 3,076,480 km (0.079 R)
• M8: 5,427,261 km (0.083 R)
• M9: 7,244,127 km (0.094 R)
• M10: 7,784,924 km (0.079 R)
• M11: 8,146,651 km (0.074 R)
• M12: 10,606,190 km (0.102 R)
• M13: 11,560,026 km (0.073 R)
• M14: 12,298,591 km (0.063 R)
• M15: 13,237,317 km (0.093 R)
• M16: 14,947,819 km (0.091 R)
• M17: 16,867,310 km (0.099 R)
• M18: 17,473,779 km (0.113 R)
• M19: 17,955,484 km (0.08 R)
• M20: 18,587,835 km (0.045 R)
• M21: 19,454,006 km (0.114 R)
• M22: 20,346,657 km (0.067 R)
• M23: 20,879,973 km (0.088 R)
• M24: 22,293,972 km (0.068 R)
• M25: 22,779,118 km (0.079 R)
• M26: 23,520,076 km (0.05 R)
• M27: 26,106,474 km (0.111 R)
• M28: 28,591,145 km (0.081 R)
• M29: 32,143,496 km (0.087 R)
• M30: 37,436,718 km (0.048 R)
• M31: 38,237,365 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.6

Radius: 5.5

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.72 AU - 6.1 AU

Year: 9745 Days

Day: 20.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,599,154 km

• M1: 68,516 km (0.116 R)
• M2: 733,179 km (0.113 R)
• M3: 1,374,356 km (0.045 R)
• M4: 1,737,729 km (0.105 R)
• M5: 2,437,548 km (0.066 R)
• M6: 3,218,149 km (0.108 R)
• M7: 12,719,709 km (0.063 R)
• M8: 13,807,584 km (0.054 R)
• M9: 14,002,959 km (0.101 R)
• M10: 17,441,765 km (0.112 R)
• M11: 18,308,386 km (0.115 R)
• M12: 21,469,538 km (0.042 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 16,875 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit