🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.52 AU - 0.82 AU

Year: 243 Days

Day: 19.7 Hours

Environment

Temp: -14 °C

Axial Tilt: 23.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 8,060,712 km

• M1: 171,140 km (0.113 R)
• M2: 248,482 km (0.063 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.96 AU - 1.22 AU

Year: 504 Days

Day: 32.1 Hours

Environment

Temp: -75 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.51 AU - 2.07 AU

Year: 1061 Days

Day: 35.7 Hours

Environment

Temp: -107 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.08 AU - 2.08 AU

Year: 1329 Days

Day: 46.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 19.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.13 AU - 2.13 AU

Year: 1377 Days

Day: 33.9 Hours

Environment

Temp: -124 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99

Radius: 9.9

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.34 AU - 2.64 AU

Year: 1740 Days

Day: 9.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 8,060,712 km

• M1: 153,637 km (0.096 R)
• M2: 236,514 km (0.072 R)
• M3: 300,991 km (0.109 R)
• M4: 363,523 km (0.111 R)
• M5: 536,159 km (0.074 R)
• M6: 635,641 km (0.112 R)
• M7: 803,041 km (0.108 R)
• M8: 946,805 km (0.076 R)
• M9: 1,030,580 km (0.112 R)
• M10: 1,128,716 km (0.117 R)
• M11: 1,211,892 km (0.098 R)
• M12: 1,353,412 km (0.116 R)
• M13: 1,435,990 km (0.105 R)
• M14: 1,526,796 km (0.093 R)
• M15: 1,606,232 km (0.033 R)
• M16: 1,728,005 km (0.047 R)
• M17: 1,818,063 km (0.098 R)
• M18: 1,909,617 km (0.082 R)
• M19: 2,039,169 km (0.11 R)
• M20: 2,284,210 km (0.047 R)
• M21: 2,375,614 km (0.108 R)
• M22: 2,507,410 km (0.097 R)
• M23: 2,681,691 km (0.088 R)
• M24: 3,017,090 km (0.07 R)
• M25: 3,092,637 km (0.094 R)
• M26: 3,567,610 km (0.067 R)
• M27: 3,727,979 km (0.075 R)
• M28: 3,863,515 km (0.093 R)
• M29: 4,028,521 km (0.106 R)
• M30: 4,139,672 km (0.101 R)
• M31: 4,289,569 km (0.059 R)
• M32: 4,498,707 km (0.073 R)
• M33: 4,565,877 km (0.098 R)
• M34: 4,652,943 km (0.048 R)
• M35: 4,730,584 km (0.055 R)
• M36: 4,907,259 km (0.073 R)
• M37: 5,036,063 km (0.069 R)
• M38: 5,419,332 km (0.07 R)
• M39: 5,490,990 km (0.05 R)
• M40: 5,614,558 km (0.113 R)
• M41: 5,707,757 km (0.087 R)
• M42: 5,791,233 km (0.101 R)
• M43: 6,001,418 km (0.089 R)
• M44: 6,203,375 km (0.047 R)
• M45: 6,278,323 km (0.082 R)
• M46: 6,375,263 km (0.047 R)
• M47: 6,537,876 km (0.087 R)
• M48: 6,636,012 km (0.119 R)
• M49: 7,179,351 km (0.069 R)
• M50: 7,519,088 km (0.104 R)
• M51: 7,702,495 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.5

Radius: 13.8

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.48 AU - 3.52 AU

Year: 2302 Days

Day: 9.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 8,060,712 km

• M1: 171,888 km (0.114 R)
• M2: 267,930 km (0.09 R)
• M3: 439,967 km (0.096 R)
• M4: 571,613 km (0.047 R)
• M5: 709,991 km (0.058 R)
• M6: 856,149 km (0.089 R)
• M7: 952,639 km (0.067 R)
• M8: 1,099,245 km (0.102 R)
• M9: 1,193,492 km (0.099 R)
• M10: 1,290,730 km (0.047 R)
• M11: 1,416,393 km (0.079 R)
• M12: 1,513,631 km (0.106 R)
• M13: 1,861,446 km (0.118 R)
• M14: 2,056,223 km (0.063 R)
• M15: 2,174,854 km (0.087 R)
• M16: 2,357,363 km (0.075 R)
• M17: 2,513,543 km (0.113 R)
• M18: 2,624,844 km (0.076 R)
• M19: 2,778,780 km (0.079 R)
• M20: 2,935,709 km (0.1 R)
• M21: 3,028,011 km (0.045 R)
• M22: 3,267,367 km (0.08 R)
• M23: 3,433,421 km (0.069 R)
• M24: 3,801,581 km (0.041 R)
• M25: 3,893,285 km (0.11 R)
• M26: 3,995,011 km (0.096 R)
• M27: 4,286,877 km (0.112 R)
• M28: 4,372,895 km (0.086 R)
• M29: 4,663,863 km (0.106 R)
• M30: 4,821,689 km (0.095 R)
• M31: 4,921,321 km (0.099 R)
• M32: 5,021,552 km (0.112 R)
• M33: 5,142,726 km (0.078 R)
• M34: 5,244,602 km (0.042 R)
• M35: 5,721,670 km (0.086 R)
• M36: 6,029,542 km (0.098 R)
• M37: 6,364,941 km (0.117 R)
• M38: 6,463,376 km (0.11 R)
• M39: 6,639,752 km (0.106 R)
• M40: 6,907,382 km (0.049 R)
• M41: 7,053,988 km (0.053 R)
• M42: 7,167,234 km (0.086 R)
• M43: 7,557,385 km (0.078 R)
• M44: 7,836,984 km (0.096 R)
• M45: 7,930,931 km (0.099 R)
• M46: 8,025,178 km (0.08 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: 207 - 14,607 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit