🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.47 AU - 0.61 AU

Year: 149 Days

Day: 33.5 Hours

Environment

Temp: 190 °C

Axial Tilt: 36.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 27,031,324 km

• M1: 86,916 km (0.072 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.65 AU - 0.99 AU

Year: 278 Days

Day: 40 Hours

Environment

Temp: 149 °C

Axial Tilt: 55.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 27,031,324 km

• M1: 44,580 km (0.102 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.33 AU - 3.11 AU

Year: 1681 Days

Day: 36.5 Hours

Environment

Temp: -92 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.22 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.1

Radius: 14.3

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.15 AU - 6.29 AU

Year: 5127 Days

Day: 9.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 27,031,324 km

• M1: 178,171 km (0.032 R)
• M2: 1,139,188 km (0.104 R)
• M3: 1,993,990 km (0.097 R)
• M4: 2,557,525 km (0.112 R)
• M5: 3,539,037 km (0.1 R)
• M6: 4,499,904 km (0.045 R)
• M7: 5,056,109 km (0.103 R)
• M8: 6,339,808 km (0.094 R)
• M9: 8,132,439 km (0.113 R)
• M10: 9,417,934 km (0.094 R)
• M11: 10,467,961 km (0.109 R)
• M12: 11,497,793 km (0.117 R)
• M13: 12,748,880 km (0.107 R)
• M14: 13,221,011 km (0.106 R)
• M15: 14,033,627 km (0.102 R)
• M16: 15,285,611 km (0.085 R)
• M17: 16,059,780 km (0.076 R)
• M18: 19,078,516 km (0.083 R)
• M19: 20,116,725 km (0.06 R)
• M20: 22,992,744 km (0.108 R)
• M21: 24,408,389 km (0.115 R)
• M22: 26,981,771 km (0.107 R)
• M23: 29,366,212 km (0.073 R)
• M24: 30,656,493 km (0.104 R)
• M25: 32,564,913 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155

Radius: 11.1

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.44 AU - 8.5 AU

Year: 6896 Days

Day: 7.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,031,324 km

• M1: 138,677 km (0.104 R)
• M2: 594,053 km (0.118 R)
• M3: 1,643,333 km (0.111 R)
• M4: 2,029,146 km (0.092 R)
• M5: 2,505,764 km (0.09 R)
• M6: 4,356,589 km (0.119 R)
• M7: 8,525,583 km (0.106 R)
• M8: 10,402,737 km (0.076 R)
• M9: 12,225,138 km (0.104 R)
• M10: 18,247,499 km (0.079 R)
• M11: 20,755,358 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977

Radius: 14.3

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 8.78 AU - 11.1 AU

Year: 11744 Days

Day: 11.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,031,324 km

• M1: 656,884 km (0.099 R)
• M2: 1,699,581 km (0.113 R)
• M3: 2,531,346 km (0.091 R)
• M4: 4,677,925 km (0.113 R)
• M5: 5,348,573 km (0.038 R)
• M6: 7,440,549 km (0.05 R)
• M7: 10,032,183 km (0.088 R)
• M8: 10,750,253 km (0.111 R)
• M9: 13,636,295 km (0.116 R)
• M10: 15,510,158 km (0.106 R)
• M11: 18,512,138 km (0.104 R)
• M12: 20,366,703 km (0.079 R)
• M13: 27,728,863 km (0.11 R)
• M14: 34,664,819 km (0.066 R)
• M15: 36,822,319 km (0.047 R)
• M16: 40,845,754 km (0.072 R)
• M17: 42,963,461 km (0.117 R)
• M18: 54,829,116 km (0.097 R)
• M19: 57,229,862 km (0.113 R)
• M20: 58,632,641 km (0.028 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67

Radius: 14.4

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 10.2 AU - 11.66 AU

Year: 13541 Days

Day: 6.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,031,324 km

• M1: 179,069 km (0.067 R)
• M2: 725,400 km (0.11 R)
• M3: 1,350,270 km (0.1 R)
• M4: 2,154,359 km (0.098 R)
• M5: 3,637,323 km (0.12 R)
• M6: 6,766,312 km (0.102 R)
• M7: 8,111,496 km (0.08 R)
• M8: 9,310,672 km (0.081 R)
• M9: 10,539,469 km (0.031 R)
• M10: 11,598,173 km (0.085 R)
• M11: 13,020,101 km (0.113 R)
• M12: 14,608,681 km (0.114 R)
• M13: 19,301,117 km (0.066 R)
• M14: 20,148,440 km (0.089 R)
• M15: 26,471,343 km (0.032 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: 484 - 14,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit