🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.56 AU - 0.62 AU

Year: 297 Days

Day: 20.4 Hours

Environment

Temp: -124 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,602,383 km

• M1: 35,155 km (0.108 R)
• M2: 156,330 km (0.101 R)

Asteroid Belt

Center: 1.14 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.5

Radius: 14.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.39 AU - 1.97 AU

Year: 1428 Days

Day: 12.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,602,383 km

• M1: 184,005 km (0.1 R)
• M2: 695,032 km (0.114 R)
• M3: 1,242,111 km (0.045 R)
• M4: 1,802,505 km (0.095 R)
• M5: 2,507,260 km (0.088 R)
• M6: 3,075,583 km (0.112 R)
• M7: 3,713,169 km (0.058 R)
• M8: 5,735,582 km (0.118 R)
• M9: 6,608,187 km (0.102 R)
• M10: 7,731,816 km (0.103 R)
• M11: 8,797,701 km (0.076 R)
• M12: 9,287,933 km (0.119 R)
• M13: 11,256,492 km (0.07 R)
• M14: 12,586,866 km (0.111 R)
• M15: 13,330,068 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.2

Radius: 10.5

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.04 AU - 5.06 AU

Year: 6367 Days

Day: 5.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,602,383 km

• M1: 134,638 km (0.09 R)
• M2: 653,144 km (0.056 R)
• M3: 1,096,104 km (0.043 R)
• M4: 1,634,058 km (0.095 R)
• M5: 2,151,666 km (0.112 R)
• M6: 2,561,265 km (0.119 R)
• M7: 3,346,953 km (0.092 R)
• M8: 4,138,326 km (0.118 R)
• M9: 4,644,116 km (0.037 R)
• M10: 5,996,032 km (0.064 R)
• M11: 6,347,138 km (0.117 R)
• M12: 6,882,549 km (0.1 R)
• M13: 7,447,880 km (0.063 R)
• M14: 7,967,732 km (0.095 R)
• M15: 8,432,533 km (0.103 R)
• M16: 8,997,414 km (0.064 R)
• M17: 10,113,414 km (0.086 R)
• M18: 10,612,473 km (0.037 R)
• M19: 11,271,452 km (0.079 R)
• M20: 11,957,358 km (0.113 R)
• M21: 12,670,790 km (0.106 R)
• M22: 13,091,160 km (0.112 R)
• M23: 13,466,501 km (0.117 R)
• M24: 14,126,677 km (0.119 R)
• M25: 16,422,405 km (0.032 R)
• M26: 17,303,986 km (0.088 R)
• M27: 19,299,023 km (0.066 R)
• M28: 20,209,476 km (0.086 R)
• M29: 22,040,404 km (0.106 R)
• M30: 23,112,721 km (0.105 R)
• M31: 24,380,414 km (0.111 R)
• M32: 25,113,593 km (0.093 R)
• M33: 26,198,477 km (0.113 R)
• M34: 32,095,774 km (0.066 R)
• M35: 32,681,151 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.7

Radius: 8.5

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.46 AU - 5.74 AU

Year: 6472 Days

Day: 8.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 129 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,602,383 km

• M1: 107,112 km (0.053 R)
• M2: 376,687 km (0.063 R)
• M3: 660,325 km (0.107 R)
• M4: 1,047,484 km (0.066 R)
• M5: 1,382,584 km (0.106 R)
• M6: 2,133,266 km (0.044 R)
• M7: 2,521,622 km (0.097 R)
• M8: 2,787,756 km (0.083 R)
• M9: 3,635,677 km (0.111 R)
• M10: 4,567,971 km (0.119 R)
• M11: 4,857,742 km (0.042 R)
• M12: 5,771,486 km (0.065 R)
• M13: 9,157,783 km (0.107 R)
• M14: 10,821,012 km (0.108 R)
• M15: 12,573,851 km (0.111 R)
• M16: 12,883,369 km (0.062 R)
• M17: 13,897,343 km (0.081 R)
• M18: 16,204,292 km (0.101 R)
• M19: 16,880,923 km (0.113 R)
• M20: 23,764,669 km (0.112 R)
• M21: 24,879,622 km (0.066 R)
• M22: 26,956,938 km (0.113 R)
• M23: 30,889,268 km (0.1 R)
• M24: 31,643,241 km (0.082 R)
• M25: 31,928,973 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.3

Radius: 8.4

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.88 AU - 5.58 AU

Year: 7846 Days

Day: 9.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,602,383 km

• M1: 104,419 km (0.08 R)
• M2: 619,036 km (0.08 R)
• M3: 1,010,833 km (0.107 R)
• M4: 1,602,941 km (0.096 R)
• M5: 2,152,713 km (0.069 R)
• M6: 2,499,182 km (0.091 R)
• M7: 2,763,671 km (0.105 R)
• M8: 3,088,897 km (0.084 R)
• M9: 3,744,136 km (0.113 R)
• M10: 4,041,087 km (0.096 R)
• M11: 4,516,210 km (0.112 R)
• M12: 5,421,427 km (0.055 R)
• M13: 5,770,139 km (0.116 R)
• M14: 9,894,702 km (0.058 R)
• M15: 11,258,885 km (0.084 R)
• M16: 11,827,806 km (0.118 R)
• M17: 15,335,876 km (0.117 R)
• M18: 16,099,424 km (0.076 R)
• M19: 18,189,156 km (0.119 R)
• M20: 19,335,525 km (0.114 R)
• M21: 19,851,937 km (0.115 R)
• M22: 22,169,956 km (0.102 R)
• M23: 25,976,324 km (0.1 R)
• M24: 26,334,312 km (0.088 R)
• M25: 26,695,740 km (0.1 R)
• M26: 30,992,340 km (0.044 R)
• M27: 35,949,565 km (0.119 R)
• M28: 36,282,869 km (0.088 R)
• M29: 38,673,742 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 764.4

Radius: 7.7

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.59 AU - 7.43 AU

Year: 9665 Days

Day: 17.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,602,383 km

• M1: 96,790 km (0.116 R)
• M2: 373,995 km (0.038 R)
• M3: 640,877 km (0.061 R)
• M4: 1,093,560 km (0.113 R)
• M5: 1,626,428 km (0.092 R)
• M6: 2,358,859 km (0.025 R)
• M7: 3,342,016 km (0.051 R)
• M8: 3,613,088 km (0.076 R)
• M9: 3,872,191 km (0.025 R)
• M10: 5,595,409 km (0.082 R)
• M11: 6,798,774 km (0.083 R)
• M12: 12,167,094 km (0.025 R)
• M13: 12,574,599 km (0.091 R)
• M14: 13,233,278 km (0.04 R)
• M15: 14,684,826 km (0.066 R)
• M16: 20,806,072 km (0.099 R)
• M17: 22,762,363 km (0.098 R)
• M18: 23,920,700 km (0.091 R)
• M19: 26,258,017 km (0.072 R)
• M20: 31,598,960 km (0.111 R)
• M21: 33,264,433 km (0.088 R)
• M22: 33,946,749 km (0.078 R)
• M23: 35,339,355 km (0.117 R)
• M24: 37,867,260 km (0.088 R)
• M25: 38,486,446 km (0.099 R)
• M26: 39,364,735 km (0.113 R)
• M27: 41,030,956 km (0.12 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 18,044 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit