🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.3

Radius: 14.2

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.6 AU - 0.84 AU

Year: 388 Days

Day: 12.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 59,643,436 km

• M1: 182,360 km (0.073 R)
• M2: 928,704 km (0.106 R)
• M3: 1,397,992 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.1

Radius: 14.6

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.73 AU - 1.21 AU

Year: 607 Days

Day: 14 Hours

Environment

Temp: -167 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,643,436 km

• M1: 181,612 km (0.095 R)
• M2: 812,915 km (0.086 R)
• M3: 1,317,508 km (0.068 R)
• M4: 1,879,548 km (0.082 R)
• M5: 2,601,806 km (0.061 R)
• M6: 3,169,979 km (0.059 R)
• M7: 3,694,619 km (0.093 R)
• M8: 4,156,128 km (0.112 R)
• M9: 5,500,714 km (0.075 R)
• M10: 6,967,670 km (0.078 R)
• M11: 8,026,674 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.2

Radius: 10.4

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.53 AU - 1.75 AU

Year: 1335 Days

Day: 11.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,643,436 km

• M1: 129,402 km (0.031 R)
• M2: 536,308 km (0.119 R)
• M3: 891,454 km (0.052 R)
• M4: 1,354,908 km (0.062 R)
• M5: 1,886,579 km (0.117 R)
• M6: 2,664,039 km (0.108 R)
• M7: 3,282,925 km (0.062 R)
• M8: 3,704,791 km (0.104 R)
• M9: 4,111,997 km (0.113 R)
• M10: 4,512,919 km (0.106 R)
• M11: 5,133,750 km (0.116 R)
• M12: 6,362,248 km (0.118 R)
• M13: 6,686,127 km (0.12 R)
• M14: 7,217,499 km (0.059 R)
• M15: 7,595,832 km (0.038 R)
• M16: 8,013,958 km (0.059 R)
• M17: 10,853,924 km (0.052 R)
• M18: 11,284,167 km (0.047 R)

Asteroid Belt

Center: 2.55 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.1

Radius: 11.1

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.95 AU - 3.97 AU

Year: 4092 Days

Day: 7.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,643,436 km

• M1: 144,063 km (0.078 R)
• M2: 601,533 km (0.115 R)
• M3: 954,584 km (0.081 R)
• M4: 1,348,026 km (0.069 R)
• M5: 2,091,977 km (0.078 R)
• M6: 2,688,423 km (0.07 R)
• M7: 3,803,675 km (0.034 R)
• M8: 5,125,672 km (0.113 R)
• M9: 5,949,208 km (0.089 R)
• M10: 6,763,918 km (0.103 R)
• M11: 8,105,661 km (0.099 R)
• M12: 9,029,727 km (0.056 R)
• M13: 10,146,625 km (0.047 R)
• M14: 10,868,285 km (0.103 R)
• M15: 11,991,466 km (0.109 R)
• M16: 13,489,539 km (0.108 R)
• M17: 17,385,217 km (0.065 R)
• M18: 18,294,772 km (0.119 R)
• M19: 18,730,102 km (0.092 R)
• M20: 19,108,585 km (0.092 R)
• M21: 20,011,857 km (0.114 R)
• M22: 22,042,947 km (0.067 R)
• M23: 22,535,872 km (0.08 R)
• M24: 23,108,383 km (0.058 R)
• M25: 24,133,428 km (0.087 R)
• M26: 25,112,247 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.9

Radius: 10.3

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.92 AU - 6.58 AU

Year: 8767 Days

Day: 12.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,643,436 km

• M1: 128,205 km (0.104 R)
• M2: 466,147 km (0.093 R)
• M3: 1,016,368 km (0.108 R)
• M4: 2,250,850 km (0.101 R)
• M5: 3,558,036 km (0.1 R)
• M6: 11,946,288 km (0.074 R)
• M7: 12,274,505 km (0.095 R)
• M8: 12,778,201 km (0.115 R)
• M9: 16,228,227 km (0.111 R)
• M10: 16,631,244 km (0.098 R)
• M11: 23,083,550 km (0.115 R)
• M12: 23,679,398 km (0.105 R)
• M13: 24,285,419 km (0.065 R)
• M14: 28,334,585 km (0.075 R)
• M15: 30,315,709 km (0.102 R)
• M16: 39,649,420 km (0.035 R)
• M17: 40,136,361 km (0.104 R)
• M18: 40,627,191 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.5

Radius: 7.2

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 7.01 AU - 8.93 AU

Year: 14306 Days

Day: 15.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,643,436 km

• M1: 89,609 km (0.081 R)
• M2: 323,281 km (0.052 R)
• M3: 606,769 km (0.099 R)
• M4: 854,802 km (0.036 R)
• M5: 1,595,312 km (0.101 R)
• M6: 1,925,923 km (0.114 R)
• M7: 2,378,606 km (0.119 R)
• M8: 4,198,165 km (0.065 R)
• M9: 5,492,336 km (0.087 R)
• M10: 6,174,503 km (0.044 R)
• M11: 6,633,469 km (0.078 R)
• M12: 8,058,239 km (0.085 R)
• M13: 9,676,140 km (0.062 R)
• M14: 12,794,358 km (0.096 R)
• M15: 13,351,161 km (0.039 R)
• M16: 15,324,207 km (0.054 R)
• M17: 18,557,915 km (0.117 R)
• M18: 19,512,948 km (0.1 R)
• M19: 20,752,366 km (0.108 R)
• M20: 21,262,495 km (0.11 R)
• M21: 22,485,458 km (0.097 R)
• M22: 23,754,646 km (0.073 R)
• M23: 24,784,777 km (0.034 R)
• M24: 25,455,574 km (0.088 R)
• M25: 27,540,818 km (0.073 R)
• M26: 29,737,364 km (0.118 R)
• M27: 31,154,056 km (0.103 R)
• M28: 32,729,471 km (0.117 R)
• M29: 35,311,381 km (0.089 R)
• M30: 37,023,229 km (0.111 R)
• M31: 39,304,597 km (0.043 R)
• M32: 41,275,848 km (0.097 R)
• M33: 46,418,574 km (0.091 R)
• M34: 48,470,907 km (0.115 R)
• M35: 49,068,102 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.8

Radius: 6.3

Gravity: 11.28 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9 AU - 9 AU

Year: 17167 Days

Day: 23.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,643,436 km

• M1: 78,838 km (0.099 R)
• M2: 345,870 km (0.076 R)
• M3: 965,056 km (0.093 R)
• M4: 1,161,927 km (0.062 R)
• M5: 1,957,937 km (0.093 R)
• M6: 2,297,674 km (0.089 R)
• M7: 2,588,642 km (0.112 R)
• M8: 3,244,628 km (0.094 R)
• M9: 3,584,515 km (0.11 R)
• M10: 3,919,165 km (0.12 R)
• M11: 4,304,978 km (0.044 R)
• M12: 5,990,348 km (0.096 R)
• M13: 8,846,171 km (0.069 R)
• M14: 9,353,906 km (0.084 R)
• M15: 10,042,655 km (0.071 R)
• M16: 10,821,611 km (0.112 R)
• M17: 12,064,619 km (0.06 R)
• M18: 12,499,351 km (0.087 R)
• M19: 15,401,998 km (0.116 R)
• M20: 15,987,524 km (0.084 R)
• M21: 21,577,997 km (0.085 R)
• M22: 23,060,213 km (0.09 R)
• M23: 23,536,981 km (0.086 R)
• M24: 24,313,544 km (0.115 R)
• M25: 24,807,516 km (0.031 R)
• M26: 27,271,841 km (0.05 R)
• M27: 27,484,270 km (0.111 R)
• M28: 29,334,946 km (0.112 R)
• M29: 31,035,425 km (0.094 R)
• M30: 34,013,918 km (0.106 R)
• M31: 34,631,608 km (0.067 R)
• M32: 36,144,790 km (0.097 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 19,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit