🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.2

Radius: 11.8

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.67 AU - 0.69 AU

Year: 362 Days

Day: 10.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,729,753 km

• M1: 146,756 km (0.1 R)
• M2: 711,787 km (0.113 R)
• M3: 1,107,473 km (0.095 R)
• M4: 1,520,513 km (0.068 R)
• M5: 1,957,787 km (0.109 R)
• M6: 3,114,328 km (0.118 R)
• M7: 3,488,772 km (0.114 R)
• M8: 4,261,146 km (0.084 R)
• M9: 4,946,304 km (0.025 R)
• M10: 5,442,969 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.1

Radius: 12.3

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.68 AU - 0.8 AU

Year: 411 Days

Day: 6.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,729,753 km

• M1: 153,487 km (0.079 R)
• M2: 823,387 km (0.064 R)
• M3: 1,437,935 km (0.099 R)
• M4: 2,227,363 km (0.074 R)
• M5: 2,788,654 km (0.104 R)
• M6: 3,311,349 km (0.089 R)
• M7: 3,952,226 km (0.078 R)
• M8: 5,075,257 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.7

Radius: 11

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.66 AU - 0.92 AU

Year: 453 Days

Day: 8.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,729,753 km

• M1: 136,732 km (0.12 R)
• M2: 557,551 km (0.113 R)
• M3: 915,838 km (0.113 R)
• M4: 1,364,931 km (0.105 R)
• M5: 2,648,929 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.5

Radius: 9.5

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.87 AU - 1.23 AU

Year: 695 Days

Day: 8.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,729,753 km

• M1: 118,182 km (0.108 R)
• M2: 417,677 km (0.053 R)
• M3: 971,489 km (0.066 R)
• M4: 1,317,808 km (0.117 R)
• M5: 1,827,338 km (0.088 R)
• M6: 2,504,418 km (0.09 R)
• M7: 3,004,075 km (0.092 R)
• M8: 3,390,037 km (0.088 R)
• M9: 3,836,288 km (0.102 R)
• M10: 4,247,383 km (0.099 R)
• M11: 4,943,761 km (0.085 R)
• M12: 5,895,951 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.2

Radius: 8.8

Gravity: 11.11 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.3 AU - 1.32 AU

Year: 968 Days

Day: 5.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,729,753 km

• M1: 109,506 km (0.117 R)
• M2: 389,403 km (0.094 R)
• M3: 706,401 km (0.105 R)
• M4: 1,483,113 km (0.096 R)
• M5: 1,837,511 km (0.068 R)
• M6: 2,440,839 km (0.117 R)
• M7: 3,283,673 km (0.113 R)
• M8: 3,593,939 km (0.12 R)
• M9: 4,395,185 km (0.112 R)
• M10: 4,847,569 km (0.037 R)
• M11: 5,573,867 km (0.11 R)
• M12: 6,998,787 km (0.073 R)
• M13: 9,540,155 km (0.049 R)
• M14: 10,550,839 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.6

Radius: 8.2

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.14 AU - 1.86 AU

Year: 1186 Days

Day: 14.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,729,753 km

• M1: 102,026 km (0.106 R)
• M2: 419,323 km (0.111 R)
• M3: 850,613 km (0.101 R)
• M4: 1,245,701 km (0.097 R)
• M5: 1,807,890 km (0.1 R)
• M6: 2,432,761 km (0.092 R)
• M7: 2,997,193 km (0.037 R)
• M8: 4,261,295 km (0.059 R)
• M9: 4,771,574 km (0.061 R)
• M10: 5,200,620 km (0.096 R)
• M11: 5,892,211 km (0.085 R)
• M12: 6,226,114 km (0.059 R)
• M13: 6,525,758 km (0.071 R)
• M14: 6,980,985 km (0.107 R)
• M15: 7,279,283 km (0.095 R)
• M16: 7,664,198 km (0.079 R)
• M17: 8,558,793 km (0.112 R)
• M18: 8,814,456 km (0.1 R)
• M19: 10,138,846 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390

Radius: 9.3

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.32 AU - 2.38 AU

Year: 2326 Days

Day: 13.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,729,753 km

• M1: 115,639 km (0.077 R)
• M2: 419,024 km (0.114 R)
• M3: 799,750 km (0.094 R)
• M4: 1,106,127 km (0.044 R)
• M5: 1,683,574 km (0.119 R)
• M6: 2,260,873 km (0.087 R)
• M7: 2,692,313 km (0.091 R)
• M8: 3,085,456 km (0.071 R)
• M9: 3,686,391 km (0.067 R)
• M10: 4,520,249 km (0.104 R)
• M11: 5,099,492 km (0.06 R)
• M12: 5,987,804 km (0.11 R)
• M13: 6,790,846 km (0.047 R)
• M14: 7,164,092 km (0.091 R)
• M15: 8,010,218 km (0.073 R)
• M16: 9,500,362 km (0.081 R)
• M17: 10,138,547 km (0.108 R)
• M18: 11,203,983 km (0.105 R)
• M19: 11,575,135 km (0.082 R)
• M20: 13,061,390 km (0.106 R)
• M21: 13,514,372 km (0.102 R)
• M22: 14,670,764 km (0.082 R)

Asteroid Belt

Center: 2.79 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.2

Radius: 10.6

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.74 AU - 3.72 AU

Year: 3748 Days

Day: 6.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,729,753 km

• M1: 246,088 km (0.081 R)
• M2: 1,575,266 km (0.056 R)
• M3: 2,432,761 km (0.066 R)
• M4: 5,573,568 km (0.082 R)
• M5: 6,736,093 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.8

Radius: 4.7

Gravity: 34.67 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 6.04 AU - 8.88 AU

Year: 13156 Days

Day: 20.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,729,753 km

• M1: 58,493 km (0.084 R)
• M2: 244,144 km (0.108 R)
• M3: 412,292 km (0.061 R)
• M4: 595,400 km (0.053 R)
• M5: 842,834 km (0.089 R)
• M6: 1,071,420 km (0.101 R)
• M7: 1,354,310 km (0.092 R)
• M8: 1,853,368 km (0.072 R)
• M9: 2,530,149 km (0.104 R)
• M10: 6,214,296 km (0.101 R)
• M11: 8,497,159 km (0.051 R)
• M12: 10,149,617 km (0.105 R)
• M13: 11,640,958 km (0.091 R)
• M14: 15,554,738 km (0.076 R)
• M15: 16,826,768 km (0.099 R)
• M16: 17,370,108 km (0.097 R)
• M17: 17,685,909 km (0.1 R)
• M18: 17,845,081 km (0.106 R)
• M19: 18,166,567 km (0.113 R)
• M20: 19,746,321 km (0.11 R)
• M21: 25,637,185 km (0.055 R)
• M22: 26,460,123 km (0.074 R)
• M23: 33,931,639 km (0.099 R)
• M24: 37,354,588 km (0.099 R)
• M25: 37,748,629 km (0.104 R)
• M26: 45,471,170 km (0.103 R)
• M27: 48,521,471 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 16,256 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit