🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.4

Radius: 8.2

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.41 AU - 0.61 AU

Year: 243 Days

Day: 7.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,714,139 km

• M1: 102,026 km (0.076 R)
• M2: 367,861 km (0.106 R)
• M3: 791,074 km (0.087 R)
• M4: 1,250,040 km (0.044 R)
• M5: 1,535,772 km (0.07 R)
• M6: 2,051,136 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.7

Radius: 8.8

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.75 AU - 0.79 AU

Year: 451 Days

Day: 13.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,714,139 km

• M1: 109,506 km (0.083 R)
• M2: 405,709 km (0.055 R)
• M3: 813,214 km (0.116 R)
• M4: 1,147,416 km (0.096 R)
• M5: 1,505,703 km (0.061 R)
• M6: 2,010,895 km (0.063 R)
• M7: 2,508,607 km (0.108 R)
• M8: 2,828,597 km (0.112 R)
• M9: 3,164,444 km (0.091 R)
• M10: 3,943,250 km (0.109 R)
• M11: 4,935,234 km (0.118 R)
• M12: 5,311,173 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.8

Radius: 13.3

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.97 AU - 1.01 AU

Year: 657 Days

Day: 8 Hours

Environment

Temp: -179 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,714,139 km

• M1: 166,802 km (0.116 R)
• M2: 669,750 km (0.066 R)
• M3: 1,393,205 km (0.118 R)
• M4: 1,908,570 km (0.072 R)
• M5: 2,353,623 km (0.081 R)
• M6: 2,912,970 km (0.112 R)
• M7: 3,837,185 km (0.113 R)
• M8: 4,390,698 km (0.063 R)
• M9: 4,820,642 km (0.116 R)
• M10: 5,363,532 km (0.099 R)
• M11: 6,076,366 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.6

Radius: 14.7

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.96 AU - 1.54 AU

Year: 932 Days

Day: 13.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 171.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,714,139 km

• M1: 184,005 km (0.093 R)
• M2: 1,166,415 km (0.036 R)
• M3: 1,931,458 km (0.026 R)
• M4: 2,495,741 km (0.093 R)
• M5: 3,249,415 km (0.094 R)
• M6: 3,873,238 km (0.077 R)
• M7: 5,770,738 km (0.096 R)
• M8: 6,345,493 km (0.081 R)
• M9: 6,980,985 km (0.111 R)
• M10: 7,976,708 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.5

Radius: 10.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.17 AU - 1.83 AU

Year: 1225 Days

Day: 6.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,714,139 km

• M1: 142,268 km (0.119 R)
• M2: 590,912 km (0.034 R)
• M3: 953,238 km (0.116 R)
• M4: 1,345,034 km (0.047 R)
• M5: 2,849,091 km (0.101 R)
• M6: 3,695,367 km (0.079 R)
• M7: 4,342,677 km (0.112 R)
• M8: 5,244,004 km (0.118 R)
• M9: 5,774,478 km (0.092 R)
• M10: 6,246,758 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.4

Radius: 8.1

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.6 AU - 1.94 AU

Year: 1570 Days

Day: 7.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,714,139 km

• M1: 100,829 km (0.109 R)
• M2: 376,538 km (0.11 R)
• M3: 671,994 km (0.08 R)
• M4: 1,126,771 km (0.097 R)
• M5: 1,428,809 km (0.075 R)
• M6: 1,785,002 km (0.045 R)
• M7: 2,443,232 km (0.054 R)
• M8: 2,898,908 km (0.074 R)
• M9: 3,223,236 km (0.091 R)
• M10: 3,621,016 km (0.096 R)
• M11: 4,251,123 km (0.084 R)
• M12: 5,728,402 km (0.102 R)
• M13: 6,313,479 km (0.066 R)
• M14: 6,708,268 km (0.074 R)
• M15: 7,493,058 km (0.093 R)
• M16: 8,337,688 km (0.11 R)
• M17: 8,996,367 km (0.113 R)
• M18: 9,306,932 km (0.108 R)
• M19: 11,216,549 km (0.083 R)
• M20: 11,833,341 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.6

Radius: 14.2

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.16 AU - 2.82 AU

Year: 2620 Days

Day: 10.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,714,139 km

• M1: 176,675 km (0.051 R)
• M2: 729,439 km (0.119 R)
• M3: 1,424,920 km (0.057 R)
• M4: 1,973,944 km (0.09 R)
• M5: 2,836,675 km (0.12 R)
• M6: 3,437,759 km (0.112 R)
• M7: 4,102,572 km (0.089 R)
• M8: 5,235,477 km (0.072 R)
• M9: 5,875,606 km (0.096 R)
• M10: 7,532,402 km (0.044 R)
• M11: 8,384,063 km (0.1 R)
• M12: 10,714,947 km (0.114 R)
• M13: 11,328,299 km (0.063 R)
• M14: 12,226,335 km (0.095 R)
• M15: 13,263,796 km (0.088 R)
• M16: 14,164,375 km (0.109 R)
• M17: 16,299,885 km (0.099 R)
• M18: 17,167,253 km (0.036 R)
• M19: 17,837,901 km (0.12 R)
• M20: 18,935,500 km (0.085 R)
• M21: 21,520,850 km (0.111 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 18,147 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit