🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.4

Radius: 13.8

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.17 AU - 1.27 AU

Year: 947 Days

Day: 12.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,030,278 km

• M1: 171,738 km (0.093 R)
• M2: 618,737 km (0.115 R)
• M3: 1,382,584 km (0.109 R)
• M4: 1,860,998 km (0.105 R)
• M5: 2,405,683 km (0.087 R)
• M6: 2,867,941 km (0.083 R)
• M7: 3,321,222 km (0.07 R)
• M8: 3,860,373 km (0.1 R)
• M9: 4,430,042 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.6

Radius: 9.1

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.43 AU - 2.23 AU

Year: 1740 Days

Day: 9.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,030,278 km

• M1: 114,742 km (0.039 R)
• M2: 461,809 km (0.084 R)
• M3: 815,458 km (0.11 R)
• M4: 1,574,817 km (0.072 R)
• M5: 1,984,416 km (0.076 R)
• M6: 2,464,176 km (0.106 R)
• M7: 3,064,512 km (0.096 R)
• M8: 3,472,915 km (0.074 R)
• M9: 3,970,926 km (0.051 R)
• M10: 4,418,523 km (0.096 R)
• M11: 5,370,564 km (0.119 R)
• M12: 6,329,187 km (0.116 R)
• M13: 7,153,621 km (0.098 R)
• M14: 7,452,966 km (0.088 R)
• M15: 8,491,774 km (0.101 R)
• M16: 9,109,164 km (0.119 R)
• M17: 10,158,743 km (0.054 R)
• M18: 10,712,853 km (0.093 R)
• M19: 12,033,354 km (0.102 R)
• M20: 12,575,197 km (0.099 R)
• M21: 13,459,171 km (0.111 R)
• M22: 13,790,829 km (0.112 R)
• M23: 14,255,630 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.5

Radius: 11

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.83 AU - 2.89 AU

Year: 2548 Days

Day: 9.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,030,278 km

• M1: 141,370 km (0.078 R)
• M2: 1,382,434 km (0.087 R)
• M3: 1,869,225 km (0.065 R)
• M4: 2,941,094 km (0.11 R)
• M5: 3,345,008 km (0.074 R)
• M6: 4,624,968 km (0.098 R)
• M7: 6,402,789 km (0.026 R)
• M8: 6,899,005 km (0.092 R)
• M9: 8,305,075 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968

Radius: 11.5

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.55 AU - 3.13 AU

Year: 3364 Days

Day: 14.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,030,278 km

• M1: 143,016 km (0.073 R)
• M2: 899,083 km (0.032 R)
• M3: 1,330,224 km (0.112 R)
• M4: 1,861,895 km (0.098 R)
• M5: 2,612,727 km (0.047 R)
• M6: 3,319,577 km (0.051 R)
• M7: 6,768,406 km (0.108 R)
• M8: 8,387,354 km (0.065 R)
• M9: 9,171,397 km (0.092 R)
• M10: 13,144,567 km (0.107 R)
• M11: 15,207,372 km (0.096 R)
• M12: 15,977,950 km (0.05 R)
• M13: 16,486,882 km (0.109 R)
• M14: 22,822,202 km (0.107 R)
• M15: 24,947,091 km (0.095 R)
• M16: 25,941,168 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503

Radius: 11.6

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.74 AU - 3.18 AU

Year: 3580 Days

Day: 6.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,030,278 km

• M1: 146,307 km (0.041 R)
• M2: 604,525 km (0.054 R)
• M3: 1,171,651 km (0.101 R)
• M4: 1,669,961 km (0.103 R)
• M5: 2,170,815 km (0.118 R)
• M6: 2,645,788 km (0.107 R)
• M7: 3,767,174 km (0.087 R)
• M8: 4,348,062 km (0.079 R)
• M9: 4,775,613 km (0.047 R)
• M10: 5,305,788 km (0.027 R)
• M11: 5,768,494 km (0.048 R)
• M12: 6,542,064 km (0.06 R)
• M13: 7,227,971 km (0.058 R)
• M14: 8,500,301 km (0.102 R)
• M15: 11,611,338 km (0.094 R)
• M16: 12,217,060 km (0.113 R)
• M17: 13,444,660 km (0.081 R)
• M18: 16,464,592 km (0.108 R)
• M19: 17,396,587 km (0.103 R)
• M20: 18,479,227 km (0.063 R)
• M21: 21,094,796 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.5

Radius: 14.4

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.78 AU - 3.68 AU

Year: 4080 Days

Day: 10.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,030,278 km

• M1: 182,509 km (0.073 R)
• M2: 1,031,926 km (0.098 R)
• M3: 1,592,320 km (0.065 R)
• M4: 2,275,533 km (0.103 R)
• M5: 3,633,732 km (0.104 R)
• M6: 4,491,078 km (0.032 R)
• M7: 5,148,411 km (0.103 R)
• M8: 5,650,611 km (0.042 R)
• M9: 7,752,910 km (0.075 R)
• M10: 10,865,593 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.5

Radius: 12.7

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.71 AU - 4.83 AU

Year: 6202 Days

Day: 8.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,030,278 km

• M1: 158,275 km (0.108 R)
• M2: 566,826 km (0.097 R)
• M3: 1,343,239 km (0.089 R)
• M4: 2,432,461 km (0.107 R)
• M5: 2,851,186 km (0.051 R)
• M6: 3,354,882 km (0.1 R)
• M7: 4,000,397 km (0.116 R)
• M8: 4,727,293 km (0.101 R)
• M9: 5,386,122 km (0.109 R)
• M10: 6,738,038 km (0.114 R)
• M11: 7,638,467 km (0.12 R)
• M12: 10,181,182 km (0.065 R)
• M13: 11,665,941 km (0.088 R)
• M14: 12,460,306 km (0.038 R)
• M15: 13,912,752 km (0.118 R)
• M16: 14,504,262 km (0.046 R)
• M17: 18,062,746 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.1

Radius: 4.5

Gravity: 36.35 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.55 AU - 7.09 AU

Year: 12519 Days

Day: 21.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,030,278 km

• M1: 56,249 km (0.059 R)
• M2: 202,406 km (0.094 R)
• M3: 350,957 km (0.11 R)
• M4: 553,961 km (0.074 R)
• M5: 1,320,052 km (0.094 R)
• M6: 1,905,428 km (0.108 R)
• M7: 2,275,533 km (0.117 R)
• M8: 2,872,279 km (0.1 R)
• M9: 4,649,352 km (0.114 R)
• M10: 4,975,775 km (0.103 R)
• M11: 6,047,045 km (0.087 R)
• M12: 6,717,992 km (0.039 R)
• M13: 7,350,043 km (0.099 R)
• M14: 8,253,315 km (0.099 R)
• M15: 9,329,821 km (0.077 R)
• M16: 11,000,679 km (0.12 R)
• M17: 11,287,758 km (0.052 R)
• M18: 14,782,364 km (0.116 R)
• M19: 17,345,574 km (0.116 R)
• M20: 19,514,593 km (0.098 R)
• M21: 21,947,803 km (0.077 R)
• M22: 26,885,729 km (0.068 R)
• M23: 27,616,515 km (0.061 R)
• M24: 28,253,353 km (0.109 R)
• M25: 30,222,510 km (0.065 R)
• M26: 31,584,898 km (0.112 R)
• M27: 32,281,126 km (0.101 R)
• M28: 33,106,458 km (0.106 R)
• M29: 36,042,615 km (0.091 R)
• M30: 36,294,837 km (0.058 R)
• M31: 42,006,932 km (0.065 R)
• M32: 43,131,908 km (0.108 R)
• M33: 48,442,932 km (0.055 R)
• M34: 50,305,874 km (0.062 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 11,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit