🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.2

Radius: 10

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.45 AU - 0.67 AU

Year: 289 Days

Day: 14.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,409,949 km

• M1: 124,316 km (0.046 R)
• M2: 441,164 km (0.098 R)
• M3: 981,212 km (0.097 R)
• M4: 1,351,916 km (0.075 R)
• M5: 1,963,173 km (0.086 R)
• M6: 2,310,988 km (0.098 R)
• M7: 2,659,401 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.3

Radius: 8.4

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.55 AU - 0.57 AU

Year: 289 Days

Day: 7.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,409,949 km

• M1: 104,419 km (0.038 R)
• M2: 514,766 km (0.112 R)
• M3: 931,696 km (0.117 R)
• M4: 1,302,399 km (0.081 R)
• M5: 1,570,628 km (0.117 R)
• M6: 1,949,260 km (0.09 R)
• M7: 2,379,504 km (0.092 R)
• M8: 2,645,190 km (0.111 R)
• M9: 3,236,999 km (0.091 R)
• M10: 3,878,325 km (0.032 R)
• M11: 4,534,611 km (0.058 R)

Asteroid Belt

Center: 0.93 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.3

Radius: 12.5

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.03 AU - 1.57 AU

Year: 1023 Days

Day: 8.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,409,949 km

• M1: 171,738 km (0.118 R)
• M2: 620,233 km (0.07 R)
• M3: 1,237,025 km (0.069 R)
• M4: 1,845,888 km (0.12 R)
• M5: 2,357,812 km (0.036 R)
• M6: 2,907,883 km (0.111 R)
• M7: 3,859,625 km (0.092 R)
• M8: 4,415,830 km (0.094 R)
• M9: 5,997,528 km (0.094 R)
• M10: 6,927,578 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.3

Radius: 11.9

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.53 AU - 5.29 AU

Year: 7510 Days

Day: 13.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,409,949 km

• M1: 148,401 km (0.1 R)
• M2: 635,791 km (0.094 R)
• M3: 1,198,429 km (0.064 R)
• M4: 1,571,825 km (0.086 R)
• M5: 2,666,582 km (0.103 R)
• M6: 4,237,808 km (0.094 R)
• M7: 5,154,993 km (0.1 R)
• M8: 6,418,646 km (0.071 R)
• M9: 8,285,478 km (0.041 R)
• M10: 14,274,778 km (0.102 R)
• M11: 16,322,474 km (0.116 R)
• M12: 17,981,664 km (0.104 R)
• M13: 18,365,233 km (0.107 R)
• M14: 20,503,735 km (0.053 R)
• M15: 22,803,353 km (0.057 R)
• M16: 23,479,984 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.2

Radius: 6.8

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.81 AU - 6.93 AU

Year: 12429 Days

Day: 24 Hours

Environment

Temp: -221 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,409,949 km

• M1: 92,601 km (0.096 R)
• M2: 306,825 km (0.079 R)
• M3: 871,258 km (0.035 R)
• M4: 1,592,170 km (0.107 R)
• M5: 1,949,260 km (0.098 R)
• M6: 2,194,900 km (0.117 R)
• M7: 2,767,710 km (0.032 R)
• M8: 4,009,672 km (0.032 R)
• M9: 5,230,390 km (0.095 R)
• M10: 6,378,105 km (0.086 R)
• M11: 9,246,046 km (0.119 R)
• M12: 12,928,098 km (0.12 R)
• M13: 15,720,343 km (0.105 R)
• M14: 19,445,778 km (0.118 R)
• M15: 25,107,160 km (0.09 R)
• M16: 26,117,993 km (0.074 R)
• M17: 28,854,736 km (0.11 R)
• M18: 30,339,346 km (0.059 R)
• M19: 31,004,607 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.6

Radius: 6.2

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.15 AU - 7.23 AU

Year: 13308 Days

Day: 23.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,409,949 km

• M1: 77,193 km (0.114 R)
• M2: 384,616 km (0.089 R)
• M3: 784,790 km (0.048 R)
• M4: 992,432 km (0.109 R)
• M5: 1,248,245 km (0.075 R)
• M6: 2,325,648 km (0.114 R)
• M7: 2,610,782 km (0.113 R)
• M8: 2,839,816 km (0.089 R)
• M9: 4,700,066 km (0.12 R)
• M10: 5,643,729 km (0.04 R)
• M11: 7,627,397 km (0.074 R)
• M12: 8,057,491 km (0.107 R)
• M13: 8,628,356 km (0.073 R)
• M14: 9,269,383 km (0.037 R)
• M15: 11,283,120 km (0.03 R)
• M16: 11,687,483 km (0.098 R)
• M17: 12,471,675 km (0.106 R)
• M18: 13,571,220 km (0.099 R)
• M19: 15,648,386 km (0.072 R)
• M20: 17,388,957 km (0.096 R)
• M21: 18,202,471 km (0.111 R)
• M22: 23,460,088 km (0.092 R)
• M23: 25,044,329 km (0.098 R)
• M24: 26,876,903 km (0.069 R)
• M25: 27,871,729 km (0.101 R)
• M26: 30,709,002 km (0.075 R)
• M27: 32,908,091 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.4

Radius: 7.3

Gravity: 17.53 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.06 AU - 9.7 AU

Year: 16745 Days

Day: 20.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,409,949 km

• M1: 96,790 km (0.108 R)
• M2: 380,577 km (0.099 R)
• M3: 637,437 km (0.11 R)
• M4: 1,391,559 km (0.065 R)
• M5: 1,916,798 km (0.087 R)
• M6: 2,386,684 km (0.083 R)
• M7: 2,660,897 km (0.106 R)
• M8: 3,273,351 km (0.106 R)
• M9: 3,526,022 km (0.101 R)
• M10: 3,821,926 km (0.104 R)
• M11: 4,363,321 km (0.116 R)
• M12: 5,365,028 km (0.079 R)
• M13: 9,618,993 km (0.105 R)
• M14: 10,986,617 km (0.116 R)
• M15: 15,311,641 km (0.114 R)
• M16: 17,506,092 km (0.087 R)
• M17: 20,368,498 km (0.109 R)
• M18: 21,517,859 km (0.072 R)
• M19: 21,811,818 km (0.109 R)
• M20: 22,811,132 km (0.096 R)
• M21: 23,425,082 km (0.093 R)
• M22: 26,213,885 km (0.11 R)
• M23: 28,269,210 km (0.037 R)
• M24: 29,697,720 km (0.093 R)
• M25: 30,924,423 km (0.071 R)
• M26: 31,929,870 km (0.119 R)
• M27: 35,211,898 km (0.059 R)
• M28: 35,620,300 km (0.062 R)
• M29: 36,169,773 km (0.039 R)
• M30: 39,732,446 km (0.115 R)
• M31: 44,466,321 km (0.109 R)
• M32: 47,712,146 km (0.103 R)
• M33: 51,112,356 km (0.049 R)
• M34: 59,346,672 km (0.071 R)
• M35: 68,633,858 km (0.094 R)
• M36: 73,620,852 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.9

Radius: 5.4

Gravity: 17.76 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 8.57 AU - 9.35 AU

Year: 18513 Days

Day: 22.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,409,949 km

• M1: 68,516 km (0.119 R)
• M2: 676,182 km (0.103 R)
• M3: 909,854 km (0.108 R)
• M4: 1,914,853 km (0.08 R)
• M5: 2,083,898 km (0.073 R)
• M6: 2,517,732 km (0.116 R)
• M7: 2,887,089 km (0.114 R)
• M8: 3,110,140 km (0.116 R)
• M9: 3,398,564 km (0.065 R)
• M10: 3,647,645 km (0.086 R)
• M11: 3,820,430 km (0.08 R)
• M12: 4,120,524 km (0.083 R)
• M13: 8,337,688 km (0.078 R)
• M14: 10,539,020 km (0.112 R)
• M15: 11,617,322 km (0.074 R)
• M16: 12,966,096 km (0.107 R)
• M17: 21,672,992 km (0.071 R)
• M18: 23,606,694 km (0.072 R)
• M19: 24,107,547 km (0.077 R)
• M20: 25,130,498 km (0.037 R)
• M21: 28,259,935 km (0.069 R)
• M22: 40,600,563 km (0.114 R)
• M23: 51,114,152 km (0.043 R)
• M24: 55,218,968 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.6

Radius: 7.8

Gravity: 10.46 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 8.4 AU - 12.54 AU

Year: 23385 Days

Day: 21.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,409,949 km

• M1: 97,837 km (0.032 R)
• M2: 353,201 km (0.09 R)
• M3: 827,127 km (0.081 R)
• M4: 1,178,981 km (0.097 R)
• M5: 1,663,828 km (0.084 R)
• M6: 2,210,159 km (0.111 R)
• M7: 2,669,724 km (0.118 R)
• M8: 3,596,034 km (0.094 R)
• M9: 3,937,416 km (0.044 R)
• M10: 5,286,340 km (0.082 R)
• M11: 6,022,810 km (0.111 R)
• M12: 7,108,741 km (0.117 R)
• M13: 7,799,584 km (0.093 R)
• M14: 8,918,576 km (0.094 R)
• M15: 12,490,824 km (0.088 R)
• M16: 15,827,305 km (0.084 R)
• M17: 26,207,901 km (0.118 R)
• M18: 39,309,234 km (0.094 R)
• M19: 39,762,815 km (0.117 R)
• M20: 48,363,346 km (0.115 R)
• M21: 53,927,340 km (0.104 R)
• M22: 57,929,681 km (0.064 R)
• M23: 63,568,174 km (0.084 R)
• M24: 65,032,738 km (0.081 R)
• M25: 71,340,831 km (0.071 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 11,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit