🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.9

Radius: 8.3

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.64 AU - 0.84 AU

Year: 418 Days

Day: 5.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,761,908 km

• M1: 103,522 km (0.071 R)
• M2: 423,811 km (0.108 R)
• M3: 766,390 km (0.077 R)
• M4: 1,027,588 km (0.034 R)
• M5: 1,570,030 km (0.057 R)
• M6: 1,960,779 km (0.096 R)
• M7: 2,454,901 km (0.067 R)
• M8: 3,227,574 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.9

Radius: 8.4

Gravity: 11.96 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.88 AU - 0.88 AU

Year: 542 Days

Day: 9.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,761,908 km

• M1: 104,719 km (0.103 R)
• M2: 434,432 km (0.041 R)
• M3: 769,531 km (0.118 R)
• M4: 1,083,388 km (0.075 R)
• M5: 1,364,183 km (0.071 R)
• M6: 1,686,267 km (0.108 R)
• M7: 2,014,036 km (0.07 R)
• M8: 2,602,105 km (0.057 R)
• M9: 2,867,492 km (0.084 R)
• M10: 3,151,130 km (0.057 R)
• M11: 3,466,482 km (0.042 R)
• M12: 3,747,576 km (0.077 R)
• M13: 4,463,701 km (0.075 R)
• M14: 5,319,999 km (0.114 R)
• M15: 5,899,093 km (0.1 R)
• M16: 6,660,696 km (0.076 R)
• M17: 7,290,054 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.7

Radius: 9.2

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.76 AU - 1.24 AU

Year: 656 Days

Day: 9.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,761,908 km

• M1: 115,041 km (0.091 R)
• M2: 404,662 km (0.06 R)
• M3: 908,657 km (0.111 R)
• M4: 1,234,182 km (0.099 R)
• M5: 1,646,025 km (0.076 R)
• M6: 2,605,845 km (0.105 R)
• M7: 3,139,760 km (0.088 R)
• M8: 3,566,563 km (0.042 R)
• M9: 3,872,191 km (0.047 R)
• M10: 4,379,178 km (0.094 R)
• M11: 4,929,848 km (0.087 R)
• M12: 5,328,078 km (0.111 R)
• M13: 5,917,793 km (0.104 R)
• M14: 6,673,860 km (0.108 R)
• M15: 7,010,904 km (0.108 R)
• M16: 7,765,027 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.4

Radius: 10

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.39 AU - 1.57 AU

Year: 1181 Days

Day: 6.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,761,908 km

• M1: 124,316 km (0.101 R)
• M2: 574,605 km (0.079 R)
• M3: 946,955 km (0.108 R)
• M4: 1,547,440 km (0.105 R)
• M5: 2,180,688 km (0.097 R)
• M6: 2,676,755 km (0.07 R)
• M7: 3,070,347 km (0.11 R)
• M8: 3,849,153 km (0.082 R)
• M9: 4,369,754 km (0.059 R)
• M10: 4,718,466 km (0.06 R)
• M11: 5,472,290 km (0.083 R)
• M12: 6,003,961 km (0.103 R)
• M13: 6,414,158 km (0.101 R)
• M14: 7,099,616 km (0.107 R)
• M15: 8,429,391 km (0.115 R)
• M16: 9,139,383 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.2

Radius: 11

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.29 AU - 1.99 AU

Year: 1378 Days

Day: 13.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 66.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,761,908 km

• M1: 136,882 km (0.111 R)
• M2: 492,626 km (0.056 R)
• M3: 1,020,257 km (0.118 R)
• M4: 1,362,986 km (0.112 R)
• M5: 1,855,462 km (0.057 R)
• M6: 2,823,361 km (0.069 R)
• M7: 3,560,729 km (0.092 R)
• M8: 4,052,756 km (0.104 R)
• M9: 4,692,436 km (0.09 R)
• M10: 6,173,156 km (0.106 R)
• M11: 6,953,010 km (0.089 R)
• M12: 7,413,921 km (0.093 R)
• M13: 8,043,578 km (0.114 R)
• M14: 9,190,096 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.3

Radius: 8.1

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.59 AU - 2.07 AU

Year: 1624 Days

Day: 8.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,761,908 km

• M1: 100,829 km (0.057 R)
• M2: 452,534 km (0.062 R)
• M3: 933,192 km (0.105 R)
• M4: 1,739,674 km (0.1 R)
• M5: 2,221,229 km (0.101 R)
• M6: 2,537,329 km (0.043 R)
• M7: 2,851,784 km (0.039 R)
• M8: 4,698,271 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.4

Radius: 13.8

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.91 AU - 2.49 AU

Year: 2141 Days

Day: 11.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 24,761,908 km

• M1: 172,038 km (0.106 R)
• M2: 868,266 km (0.082 R)
• M3: 1,334,413 km (0.032 R)
• M4: 1,874,761 km (0.113 R)
• M5: 3,559,681 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629

Radius: 14.2

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.24 AU - 2.7 AU

Year: 2547 Days

Day: 8.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 24,761,908 km

• M1: 176,525 km (0.092 R)
• M2: 624,122 km (0.074 R)
• M3: 1,085,632 km (0.111 R)
• M4: 1,630,318 km (0.067 R)
• M5: 2,278,824 km (0.083 R)
• M6: 3,194,513 km (0.116 R)
• M7: 3,646,598 km (0.099 R)
• M8: 4,181,560 km (0.057 R)
• M9: 4,681,516 km (0.043 R)
• M10: 5,221,564 km (0.068 R)
• M11: 7,183,989 km (0.092 R)
• M12: 8,251,669 km (0.063 R)
• M13: 10,512,242 km (0.048 R)
• M14: 13,738,320 km (0.046 R)
• M15: 14,241,119 km (0.114 R)
• M16: 15,138,557 km (0.05 R)
• M17: 17,098,737 km (0.091 R)
• M18: 17,734,528 km (0.086 R)
• M19: 18,496,281 km (0.085 R)

Asteroid Belt

Center: 2.96 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.4

Radius: 12.8

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.78 AU - 4.12 AU

Year: 4204 Days

Day: 7.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,761,908 km

• M1: 159,621 km (0.097 R)
• M2: 643,420 km (0.041 R)
• M3: 1,345,782 km (0.108 R)
• M4: 1,817,913 km (0.111 R)
• M5: 2,416,155 km (0.102 R)
• M6: 3,179,553 km (0.114 R)
• M7: 3,598,577 km (0.092 R)
• M8: 4,098,084 km (0.117 R)
• M9: 5,473,337 km (0.105 R)
• M10: 5,882,039 km (0.072 R)
• M11: 6,281,764 km (0.107 R)
• M12: 7,009,707 km (0.103 R)
• M13: 10,008,098 km (0.056 R)
• M14: 10,831,783 km (0.055 R)
• M15: 11,522,926 km (0.111 R)
• M16: 13,576,007 km (0.113 R)
• M17: 14,482,420 km (0.054 R)
• M18: 15,972,265 km (0.09 R)
• M19: 17,386,713 km (0.11 R)
• M20: 18,699,135 km (0.111 R)
• M21: 20,204,988 km (0.045 R)
• M22: 22,336,757 km (0.06 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 16,673 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit