🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.2

Radius: 10.1

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.74 AU - 0.94 AU

Year: 513 Days

Day: 13.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,142,500 km

• M1: 125,662 km (0.096 R)
• M2: 477,816 km (0.04 R)
• M3: 919,429 km (0.112 R)
• M4: 1,329,775 km (0.063 R)
• M5: 1,933,403 km (0.099 R)
• M6: 2,742,129 km (0.058 R)
• M7: 3,247,321 km (0.038 R)
• M8: 4,517,108 km (0.062 R)
• M9: 5,826,987 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.4

Radius: 9.1

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1 AU - 1.24 AU

Year: 790 Days

Day: 7.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 63.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,142,500 km

• M1: 113,545 km (0.048 R)
• M2: 810,671 km (0.052 R)
• M3: 1,133,054 km (0.085 R)
• M4: 1,621,791 km (0.119 R)
• M5: 2,264,613 km (0.11 R)
• M6: 2,567,847 km (0.054 R)
• M7: 2,999,437 km (0.079 R)
• M8: 3,478,898 km (0.103 R)
• M9: 3,830,902 km (0.107 R)
• M10: 4,235,265 km (0.061 R)
• M11: 5,130,160 km (0.091 R)
• M12: 5,500,863 km (0.094 R)
• M13: 5,799,461 km (0.084 R)
• M14: 6,662,192 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.4

Radius: 9.2

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.04 AU - 1.3 AU

Year: 844 Days

Day: 8.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,142,500 km

• M1: 114,592 km (0.107 R)
• M2: 406,757 km (0.105 R)
• M3: 784,641 km (0.111 R)
• M4: 1,504,506 km (0.046 R)
• M5: 1,891,815 km (0.11 R)
• M6: 2,471,955 km (0.079 R)
• M7: 3,517,944 km (0.113 R)
• M8: 4,327,567 km (0.12 R)
• M9: 4,982,806 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.8

Radius: 10.6

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.43 AU - 2.25 AU

Year: 1664 Days

Day: 7.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,142,500 km

• M1: 133,740 km (0.049 R)
• M2: 578,345 km (0.103 R)
• M3: 970,142 km (0.08 R)
• M4: 1,302,549 km (0.042 R)
• M5: 2,188,467 km (0.093 R)
• M6: 2,967,573 km (0.075 R)
• M7: 3,335,883 km (0.113 R)
• M8: 3,673,675 km (0.095 R)
• M9: 4,299,144 km (0.095 R)
• M10: 4,646,809 km (0.043 R)
• M11: 5,639,840 km (0.117 R)
• M12: 5,972,246 km (0.091 R)
• M13: 7,002,078 km (0.108 R)
• M14: 7,411,228 km (0.115 R)
• M15: 8,599,334 km (0.083 R)
• M16: 9,468,797 km (0.077 R)
• M17: 9,820,801 km (0.08 R)

Asteroid Belt

Center: 2.7 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.5

Radius: 12.8

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.93 AU - 4.17 AU

Year: 4460 Days

Day: 13.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,142,500 km

• M1: 159,172 km (0.086 R)
• M2: 626,965 km (0.105 R)
• M3: 1,436,888 km (0.114 R)
• M4: 2,044,105 km (0.108 R)
• M5: 2,505,316 km (0.116 R)
• M6: 3,036,089 km (0.105 R)
• M7: 4,152,986 km (0.113 R)
• M8: 4,973,830 km (0.031 R)
• M9: 6,727,117 km (0.074 R)
• M10: 8,264,385 km (0.106 R)
• M11: 9,791,779 km (0.042 R)
• M12: 10,827,295 km (0.072 R)
• M13: 12,379,972 km (0.093 R)
• M14: 13,590,219 km (0.117 R)
• M15: 14,373,363 km (0.057 R)
• M16: 18,099,996 km (0.086 R)
• M17: 20,979,306 km (0.109 R)
• M18: 22,092,165 km (0.084 R)
• M19: 22,832,824 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 529.1

Radius: 4.8

Gravity: 22.96 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.81 AU - 7.69 AU

Year: 10420 Days

Day: 24.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,142,500 km

• M1: 59,690 km (0.111 R)
• M2: 527,332 km (0.069 R)
• M3: 707,448 km (0.105 R)
• M4: 968,048 km (0.096 R)
• M5: 1,378,694 km (0.105 R)
• M6: 1,595,012 km (0.117 R)
• M7: 1,897,350 km (0.07 R)
• M8: 3,380,313 km (0.071 R)
• M9: 4,037,647 km (0.113 R)
• M10: 4,511,124 km (0.095 R)
• M11: 5,209,596 km (0.103 R)
• M12: 7,050,099 km (0.026 R)
• M13: 7,327,005 km (0.113 R)
• M14: 8,244,787 km (0.11 R)
• M15: 8,596,791 km (0.094 R)
• M16: 10,055,969 km (0.108 R)
• M17: 11,080,565 km (0.108 R)
• M18: 12,060,431 km (0.093 R)
• M19: 16,012,358 km (0.047 R)
• M20: 16,216,260 km (0.086 R)
• M21: 17,191,039 km (0.099 R)
• M22: 17,692,791 km (0.112 R)
• M23: 22,999,177 km (0.092 R)
• M24: 23,345,795 km (0.102 R)
• M25: 28,076,678 km (0.09 R)
• M26: 28,472,664 km (0.074 R)
• M27: 32,422,347 km (0.05 R)
• M28: 34,981,966 km (0.076 R)
• M29: 39,997,983 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711

Radius: 6.2

Gravity: 18.5 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.5 AU - 7.82 AU

Year: 12776 Days

Day: 20.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,142,500 km

• M1: 78,389 km (0.097 R)
• M2: 357,539 km (0.104 R)
• M3: 652,247 km (0.094 R)
• M4: 1,139,038 km (0.063 R)
• M5: 2,461,334 km (0.079 R)
• M6: 2,829,345 km (0.113 R)
• M7: 3,183,742 km (0.118 R)
• M8: 3,567,460 km (0.079 R)
• M9: 3,868,003 km (0.034 R)
• M10: 4,335,197 km (0.115 R)
• M11: 4,938,226 km (0.092 R)
• M12: 5,631,612 km (0.115 R)
• M13: 6,077,713 km (0.097 R)
• M14: 6,309,589 km (0.117 R)
• M15: 8,429,391 km (0.087 R)
• M16: 13,611,611 km (0.113 R)
• M17: 16,039,734 km (0.106 R)
• M18: 17,163,513 km (0.066 R)
• M19: 18,020,260 km (0.037 R)
• M20: 19,818,726 km (0.1 R)
• M21: 24,344,660 km (0.119 R)
• M22: 24,636,226 km (0.103 R)
• M23: 30,291,774 km (0.091 R)
• M24: 30,516,470 km (0.077 R)
• M25: 33,899,925 km (0.066 R)
• M26: 34,629,962 km (0.096 R)
• M27: 36,247,414 km (0.08 R)
• M28: 36,500,684 km (0.113 R)
• M29: 39,364,585 km (0.072 R)
• M30: 42,938,329 km (0.062 R)
• M31: 44,658,256 km (0.074 R)
• M32: 48,082,401 km (0.076 R)
• M33: 53,786,568 km (0.082 R)
• M34: 54,945,802 km (0.081 R)
• M35: 56,460,480 km (0.085 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: 423 - 11,829 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit