🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.3

Radius: 14.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.51 AU - 0.55 AU

Year: 271 Days

Day: 10.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,930,132 km

• M1: 180,265 km (0.094 R)
• M2: 886,218 km (0.068 R)
• M3: 1,368,222 km (0.1 R)
• M4: 1,826,291 km (0.09 R)
• M5: 2,331,932 km (0.103 R)
• M6: 2,856,123 km (0.085 R)
• M7: 3,384,502 km (0.088 R)
• M8: 3,978,256 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.6

Radius: 14.4

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.52 AU - 0.62 AU

Year: 302 Days

Day: 14.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,930,132 km

• M1: 179,069 km (0.12 R)
• M2: 702,661 km (0.077 R)
• M3: 1,161,478 km (0.087 R)
• M4: 1,641,837 km (0.11 R)
• M5: 2,383,094 km (0.089 R)
• M6: 3,086,952 km (0.081 R)
• M7: 3,806,368 km (0.115 R)
• M8: 4,540,744 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.1

Radius: 9.3

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.73 AU - 1.21 AU

Year: 672 Days

Day: 12.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,930,132 km

• M1: 117,734 km (0.065 R)
• M2: 505,342 km (0.105 R)
• M3: 871,408 km (0.095 R)
• M4: 1,267,992 km (0.066 R)
• M5: 1,986,959 km (0.057 R)
• M6: 2,406,431 km (0.061 R)
• M7: 4,004,885 km (0.04 R)
• M8: 4,523,540 km (0.061 R)
• M9: 4,997,018 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.3

Radius: 8.4

Gravity: 14.16 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.4 AU - 1.82 AU

Year: 1436 Days

Day: 15 Hours

Environment

Temp: -188 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,930,132 km

• M1: 104,569 km (0.114 R)
• M2: 536,907 km (0.073 R)
• M3: 962,513 km (0.077 R)
• M4: 1,592,769 km (0.04 R)
• M5: 1,943,725 km (0.063 R)
• M6: 2,874,822 km (0.06 R)
• M7: 5,470,046 km (0.082 R)
• M8: 6,399,498 km (0.036 R)
• M9: 6,679,844 km (0.089 R)
• M10: 7,542,276 km (0.042 R)
• M11: 7,884,257 km (0.105 R)
• M12: 8,206,790 km (0.108 R)
• M13: 8,722,453 km (0.081 R)
• M14: 10,330,331 km (0.118 R)
• M15: 11,040,323 km (0.06 R)
• M16: 12,049,660 km (0.108 R)
• M17: 14,598,658 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.2

Radius: 10.7

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.24 AU - 3.32 AU

Year: 3258 Days

Day: 14.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 67.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,930,132 km

• M1: 133,142 km (0.069 R)
• M2: 1,220,419 km (0.104 R)
• M3: 2,135,958 km (0.117 R)
• M4: 2,912,371 km (0.064 R)
• M5: 4,208,637 km (0.104 R)
• M6: 5,905,226 km (0.059 R)
• M7: 8,293,257 km (0.065 R)
• M8: 13,028,030 km (0.114 R)
• M9: 14,877,957 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.1

Radius: 11.1

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.7 AU - 5.3 AU

Year: 6710 Days

Day: 10.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 130.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,930,132 km

• M1: 138,827 km (0.096 R)
• M2: 564,582 km (0.075 R)
• M3: 1,044,492 km (0.106 R)
• M4: 2,548,400 km (0.081 R)
• M5: 3,504,480 km (0.068 R)
• M6: 4,103,021 km (0.09 R)
• M7: 4,712,632 km (0.12 R)
• M8: 5,473,636 km (0.091 R)
• M9: 6,213,398 km (0.096 R)
• M10: 8,171,634 km (0.093 R)
• M11: 9,402,376 km (0.101 R)
• M12: 10,752,646 km (0.064 R)
• M13: 11,347,746 km (0.092 R)
• M14: 13,776,917 km (0.116 R)
• M15: 16,082,818 km (0.038 R)
• M16: 16,469,080 km (0.088 R)
• M17: 20,007,070 km (0.082 R)
• M18: 22,071,520 km (0.026 R)
• M19: 26,440,825 km (0.096 R)
• M20: 30,170,899 km (0.072 R)
• M21: 33,085,065 km (0.118 R)
• M22: 34,450,445 km (0.082 R)
• M23: 35,525,904 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.4

Radius: 4.6

Gravity: 13.96 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 6.35 AU - 8.27 AU

Year: 13893 Days

Day: 21.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,930,132 km

• M1: 57,296 km (0.076 R)
• M2: 234,869 km (0.043 R)
• M3: 973,433 km (0.088 R)
• M4: 1,285,195 km (0.107 R)
• M5: 1,519,017 km (0.12 R)
• M6: 1,705,117 km (0.073 R)
• M7: 1,971,401 km (0.084 R)
• M8: 2,413,014 km (0.106 R)
• M9: 2,939,149 km (0.108 R)
• M10: 3,687,737 km (0.103 R)
• M11: 4,526,682 km (0.047 R)
• M12: 5,068,525 km (0.102 R)
• M13: 6,243,916 km (0.106 R)
• M14: 6,685,678 km (0.104 R)
• M15: 9,026,287 km (0.098 R)
• M16: 9,542,699 km (0.11 R)
• M17: 9,735,381 km (0.029 R)
• M18: 11,806,563 km (0.099 R)
• M19: 13,967,953 km (0.109 R)
• M20: 14,278,967 km (0.118 R)
• M21: 17,359,935 km (0.029 R)
• M22: 20,615,335 km (0.108 R)
• M23: 23,373,471 km (0.083 R)
• M24: 24,255,350 km (0.035 R)
• M25: 24,976,860 km (0.117 R)
• M26: 26,367,821 km (0.091 R)
• M27: 29,404,509 km (0.044 R)
• M28: 40,147,281 km (0.088 R)
• M29: 40,902,152 km (0.117 R)
• M30: 44,684,136 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.1

Radius: 3

Gravity: 84.12 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.27 AU - 10.01 AU

Year: 17852 Days

Day: 19 Hours

Environment

Temp: -231 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 72,930,132 km

• M1: 60,288 km (0.11 R)
• M2: 193,729 km (0.056 R)
• M3: 741,706 km (0.105 R)
• M4: 959,371 km (0.089 R)
• M5: 2,586,098 km (0.106 R)
• M6: 3,030,554 km (0.116 R)
• M7: 3,326,159 km (0.086 R)
• M8: 3,789,763 km (0.098 R)
• M9: 4,132,492 km (0.103 R)
• M10: 4,772,770 km (0.06 R)
• M11: 5,672,602 km (0.106 R)
• M12: 6,417,449 km (0.049 R)
• M13: 7,509,065 km (0.081 R)
• M14: 8,353,246 km (0.049 R)
• M15: 11,579,174 km (0.07 R)
• M16: 12,498,603 km (0.045 R)
• M17: 13,607,722 km (0.107 R)
• M18: 14,481,373 km (0.101 R)
• M19: 14,630,522 km (0.062 R)
• M20: 16,339,678 km (0.118 R)
• M21: 17,493,975 km (0.094 R)
• M22: 17,833,413 km (0.078 R)
• M23: 18,967,215 km (0.073 R)
• M24: 20,615,035 km (0.09 R)
• M25: 20,993,668 km (0.104 R)
• M26: 21,473,578 km (0.078 R)
• M27: 21,570,517 km (0.111 R)
• M28: 25,470,683 km (0.107 R)
• M29: 26,905,775 km (0.11 R)
• M30: 29,098,880 km (0.086 R)
• M31: 30,789,037 km (0.082 R)
• M32: 34,363,379 km (0.112 R)
• M33: 35,704,075 km (0.098 R)
• M34: 37,358,478 km (0.114 R)
• M35: 38,062,635 km (0.069 R)
• M36: 39,497,428 km (0.06 R)
• M37: 42,169,994 km (0.077 R)
• M38: 47,378,394 km (0.095 R)
• M39: 51,771,634 km (0.101 R)
• M40: 55,148,507 km (0.061 R)
• M41: 56,613,220 km (0.087 R)
• M42: 57,355,225 km (0.109 R)
• M43: 65,541,071 km (0.116 R)
• M44: 67,183,805 km (0.112 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 10,463 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit