🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.6

Radius: 10.9

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.98 AU - 1.22 AU

Year: 811 Days

Day: 5.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,879,193 km

• M1: 136,583 km (0.043 R)
• M2: 569,519 km (0.083 R)
• M3: 1,023,997 km (0.079 R)
• M4: 1,926,222 km (0.104 R)
• M5: 2,856,871 km (0.101 R)
• M6: 5,193,739 km (0.041 R)

Asteroid Belt

Center: 1.43 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723

Radius: 12.9

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.54 AU - 1.98 AU

Year: 1641 Days

Day: 6.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,879,193 km

• M1: 160,369 km (0.099 R)
• M2: 562,937 km (0.113 R)
• M3: 979,716 km (0.117 R)
• M4: 1,568,833 km (0.098 R)
• M5: 2,438,744 km (0.102 R)
• M6: 3,396,470 km (0.096 R)
• M7: 4,245,139 km (0.112 R)
• M8: 4,975,924 km (0.107 R)
• M9: 5,674,397 km (0.111 R)
• M10: 7,403,299 km (0.077 R)
• M11: 8,314,650 km (0.11 R)
• M12: 8,767,034 km (0.111 R)
• M13: 10,498,928 km (0.027 R)
• M14: 11,723,985 km (0.045 R)
• M15: 12,178,314 km (0.115 R)
• M16: 12,802,586 km (0.109 R)
• M17: 13,243,899 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.2

Radius: 14.4

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.49 AU - 2.21 AU

Year: 1769 Days

Day: 6.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,879,193 km

• M1: 179,966 km (0.082 R)
• M2: 669,600 km (0.075 R)
• M3: 1,145,471 km (0.101 R)
• M4: 1,693,298 km (0.065 R)
• M5: 2,151,517 km (0.062 R)
• M6: 2,609,585 km (0.109 R)
• M7: 3,946,990 km (0.039 R)
• M8: 5,884,731 km (0.072 R)
• M9: 7,126,095 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.1

Radius: 14.8

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.2 AU - 2.42 AU

Year: 2468 Days

Day: 9.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,879,193 km

• M1: 184,305 km (0.107 R)
• M2: 785,838 km (0.115 R)
• M3: 1,251,985 km (0.103 R)
• M4: 2,524,913 km (0.099 R)
• M5: 3,004,972 km (0.051 R)
• M6: 3,648,692 km (0.095 R)
• M7: 4,663,564 km (0.111 R)
• M8: 6,028,345 km (0.105 R)
• M9: 6,581,409 km (0.072 R)
• M10: 7,877,674 km (0.105 R)
• M11: 9,570,225 km (0.116 R)
• M12: 10,753,693 km (0.111 R)
• M13: 11,723,088 km (0.061 R)
• M14: 13,622,532 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.3

Radius: 11.3

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.61 AU - 2.71 AU

Year: 3050 Days

Day: 10.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,879,193 km

• M1: 140,622 km (0.086 R)
• M2: 607,367 km (0.093 R)
• M3: 1,180,926 km (0.07 R)
• M4: 1,571,825 km (0.036 R)
• M5: 1,958,535 km (0.05 R)
• M6: 2,752,302 km (0.107 R)
• M7: 3,272,154 km (0.077 R)
• M8: 4,490,030 km (0.098 R)
• M9: 4,992,979 km (0.104 R)
• M10: 5,580,150 km (0.119 R)
• M11: 6,212,800 km (0.115 R)
• M12: 6,651,869 km (0.113 R)
• M13: 9,134,296 km (0.096 R)
• M14: 9,635,000 km (0.09 R)
• M15: 10,474,394 km (0.09 R)
• M16: 10,838,216 km (0.094 R)
• M17: 11,248,114 km (0.096 R)
• M18: 14,017,021 km (0.091 R)
• M19: 14,774,585 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.5

Radius: 12.3

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.71 AU - 4.29 AU

Year: 5623 Days

Day: 10.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,879,193 km

• M1: 153,338 km (0.095 R)
• M2: 569,519 km (0.084 R)
• M3: 1,055,413 km (0.039 R)
• M4: 1,553,275 km (0.105 R)
• M5: 2,034,980 km (0.088 R)
• M6: 2,533,440 km (0.117 R)
• M7: 2,964,731 km (0.061 R)
• M8: 3,384,951 km (0.097 R)
• M9: 4,539,996 km (0.118 R)
• M10: 5,262,554 km (0.064 R)
• M11: 6,150,567 km (0.077 R)
• M12: 9,622,285 km (0.096 R)
• M13: 10,993,499 km (0.056 R)
• M14: 12,056,840 km (0.101 R)
• M15: 13,238,215 km (0.074 R)
• M16: 14,067,585 km (0.089 R)
• M17: 15,041,916 km (0.052 R)
• M18: 20,124,504 km (0.074 R)
• M19: 23,235,392 km (0.094 R)
• M20: 26,898,296 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.4

Radius: 7.5

Gravity: 15.56 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.4 AU - 6.86 AU

Year: 9390 Days

Day: 23.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 95.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,879,193 km

• M1: 106,962 km (0.109 R)
• M2: 497,563 km (0.106 R)
• M3: 781,499 km (0.03 R)
• M4: 1,533,827 km (0.075 R)
• M5: 1,818,213 km (0.059 R)
• M6: 2,435,453 km (0.088 R)
• M7: 3,023,822 km (0.066 R)
• M8: 4,813,910 km (0.102 R)
• M9: 9,361,835 km (0.11 R)
• M10: 9,706,957 km (0.101 R)
• M11: 11,338,172 km (0.034 R)
• M12: 13,828,977 km (0.099 R)
• M13: 19,700,544 km (0.119 R)
• M14: 20,431,778 km (0.083 R)
• M15: 25,297,898 km (0.08 R)
• M16: 30,560,302 km (0.107 R)
• M17: 34,252,826 km (0.117 R)
• M18: 38,232,279 km (0.092 R)
• M19: 40,009,951 km (0.037 R)
• M20: 41,576,839 km (0.053 R)
• M21: 43,184,118 km (0.086 R)
• M22: 45,954,372 km (0.062 R)
• M23: 47,672,204 km (0.028 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 16,182 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit