🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.6

Radius: 10.7

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.49 AU - 0.55 AU

Year: 254 Days

Day: 5.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,977,140 km

• M1: 133,142 km (0.069 R)
• M2: 538,403 km (0.093 R)
• M3: 899,981 km (0.057 R)
• M4: 1,430,305 km (0.063 R)
• M5: 2,041,562 km (0.11 R)
• M6: 2,503,221 km (0.08 R)
• M7: 3,405,296 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.6

Radius: 9.5

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.54 AU - 0.58 AU

Year: 284 Days

Day: 13.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,977,140 km

• M1: 118,781 km (0.113 R)
• M2: 420,370 km (0.112 R)
• M3: 753,524 km (0.075 R)
• M4: 1,248,394 km (0.115 R)
• M5: 1,600,248 km (0.06 R)
• M6: 1,957,638 km (0.045 R)
• M7: 2,275,084 km (0.07 R)
• M8: 2,758,884 km (0.082 R)
• M9: 3,670,085 km (0.105 R)
• M10: 4,144,459 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.9

Radius: 8.3

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.91 AU - 1.03 AU

Year: 648 Days

Day: 8.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,977,140 km

• M1: 103,223 km (0.049 R)
• M2: 389,104 km (0.096 R)
• M3: 714,330 km (0.077 R)
• M4: 1,114,504 km (0.1 R)
• M5: 2,022,862 km (0.117 R)
• M6: 2,343,600 km (0.118 R)
• M7: 3,077,228 km (0.026 R)
• M8: 3,528,565 km (0.109 R)
• M9: 4,867,167 km (0.103 R)
• M10: 5,806,492 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.9

Radius: 14

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.21 AU - 1.23 AU

Year: 914 Days

Day: 13.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,977,140 km

• M1: 174,132 km (0.106 R)
• M2: 620,532 km (0.112 R)
• M3: 1,151,006 km (0.072 R)
• M4: 2,079,710 km (0.095 R)
• M5: 2,566,651 km (0.082 R)
• M6: 3,063,615 km (0.096 R)
• M7: 3,700,004 km (0.093 R)
• M8: 4,579,191 km (0.092 R)
• M9: 6,593,975 km (0.093 R)
• M10: 7,197,004 km (0.077 R)
• M11: 7,635,775 km (0.063 R)
• M12: 8,170,437 km (0.087 R)
• M13: 8,977,518 km (0.096 R)
• M14: 9,486,899 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.3

Radius: 9.3

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.62 AU - 2.1 AU

Year: 1721 Days

Day: 12 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,977,140 km

• M1: 115,639 km (0.075 R)
• M2: 511,176 km (0.053 R)
• M3: 1,204,263 km (0.112 R)
• M4: 1,521,111 km (0.108 R)
• M5: 2,055,325 km (0.116 R)
• M6: 2,380,102 km (0.045 R)
• M7: 2,753,798 km (0.064 R)
• M8: 3,853,492 km (0.076 R)
• M9: 4,154,782 km (0.108 R)
• M10: 4,472,079 km (0.096 R)
• M11: 5,808,885 km (0.088 R)
• M12: 6,334,423 km (0.034 R)
• M13: 7,084,207 km (0.077 R)
• M14: 7,714,014 km (0.088 R)
• M15: 8,349,356 km (0.032 R)
• M16: 8,953,881 km (0.106 R)
• M17: 9,758,867 km (0.062 R)
• M18: 10,214,692 km (0.084 R)
• M19: 11,785,021 km (0.056 R)
• M20: 12,751,423 km (0.11 R)
• M21: 14,120,992 km (0.091 R)
• M22: 14,795,529 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.8

Radius: 11.1

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.02 AU - 3.4 AU

Year: 3901 Days

Day: 10.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,977,140 km

• M1: 162,014 km (0.105 R)
• M2: 651,648 km (0.093 R)
• M3: 1,047,484 km (0.103 R)
• M4: 1,883,587 km (0.04 R)
• M5: 2,388,480 km (0.099 R)
• M6: 2,915,513 km (0.099 R)
• M7: 3,537,840 km (0.094 R)
• M8: 4,290,168 km (0.061 R)
• M9: 6,890,179 km (0.11 R)
• M10: 7,319,076 km (0.086 R)
• M11: 8,332,601 km (0.034 R)
• M12: 8,819,991 km (0.069 R)
• M13: 9,179,625 km (0.05 R)
• M14: 9,661,928 km (0.087 R)
• M15: 11,211,014 km (0.094 R)
• M16: 11,676,563 km (0.117 R)
• M17: 12,828,017 km (0.114 R)
• M18: 13,621,036 km (0.098 R)
• M19: 15,407,683 km (0.098 R)
• M20: 16,901,567 km (0.106 R)
• M21: 17,968,948 km (0.055 R)
• M22: 19,806,010 km (0.082 R)
• M23: 20,237,600 km (0.112 R)
• M24: 20,928,443 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.4

Radius: 15

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.34 AU - 4.94 AU

Year: 5713 Days

Day: 5.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,977,140 km

• M1: 189,241 km (0.039 R)
• M2: 825,780 km (0.093 R)
• M3: 1,369,569 km (0.059 R)
• M4: 2,034,980 km (0.119 R)
• M5: 2,990,910 km (0.049 R)
• M6: 4,594,899 km (0.04 R)
• M7: 5,540,806 km (0.105 R)
• M8: 6,274,284 km (0.118 R)
• M9: 8,133,337 km (0.074 R)
• M10: 9,473,884 km (0.08 R)
• M11: 16,657,573 km (0.079 R)
• M12: 17,179,819 km (0.057 R)
• M13: 17,847,774 km (0.057 R)
• M14: 21,992,533 km (0.112 R)
• M15: 22,621,442 km (0.107 R)
• M16: 26,122,780 km (0.071 R)
• M17: 31,135,954 km (0.048 R)
• M18: 31,929,571 km (0.058 R)
• M19: 34,076,899 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 17,875 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit