🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.8

Radius: 8.6

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.87 AU - 1.13 AU

Year: 678 Days

Day: 9.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,841,393 km

• M1: 106,962 km (0.101 R)
• M2: 387,458 km (0.032 R)
• M3: 746,045 km (0.066 R)
• M4: 1,058,704 km (0.029 R)
• M5: 1,903,334 km (0.1 R)
• M6: 2,550,344 km (0.088 R)
• M7: 3,443,893 km (0.083 R)
• M8: 3,754,159 km (0.118 R)
• M9: 4,247,981 km (0.03 R)
• M10: 5,219,619 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.1

Radius: 8.4

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.91 AU - 1.11 AU

Year: 688 Days

Day: 11.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,841,393 km

• M1: 104,419 km (0.091 R)
• M2: 410,945 km (0.085 R)
• M3: 1,082,191 km (0.118 R)
• M4: 1,364,183 km (0.041 R)
• M5: 1,695,991 km (0.104 R)
• M6: 2,016,280 km (0.115 R)
• M7: 2,745,869 km (0.093 R)
• M8: 3,318,829 km (0.068 R)
• M9: 3,767,024 km (0.086 R)
• M10: 4,028,222 km (0.111 R)
• M11: 5,285,891 km (0.091 R)
• M12: 5,956,090 km (0.081 R)
• M13: 6,765,713 km (0.089 R)
• M14: 7,855,384 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.5

Radius: 9.6

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.64 AU - 2.4 AU

Year: 1947 Days

Day: 7.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,841,393 km

• M1: 119,379 km (0.102 R)
• M2: 496,964 km (0.039 R)
• M3: 858,243 km (0.107 R)
• M4: 1,407,118 km (0.098 R)
• M5: 2,115,314 km (0.093 R)
• M6: 2,860,461 km (0.1 R)
• M7: 3,220,393 km (0.075 R)
• M8: 4,185,898 km (0.037 R)
• M9: 4,908,157 km (0.098 R)
• M10: 5,832,671 km (0.082 R)
• M11: 10,204,968 km (0.061 R)
• M12: 10,751,001 km (0.119 R)
• M13: 11,163,592 km (0.118 R)
• M14: 13,474,131 km (0.051 R)
• M15: 15,041,168 km (0.088 R)
• M16: 15,557,730 km (0.111 R)
• M17: 16,527,423 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.7

Radius: 10.7

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.16 AU - 3.9 AU

Year: 4498 Days

Day: 15 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,841,393 km

• M1: 133,142 km (0.059 R)
• M2: 579,991 km (0.103 R)
• M3: 1,641,687 km (0.085 R)
• M4: 1,991,447 km (0.118 R)
• M5: 2,553,336 km (0.103 R)
• M6: 2,953,960 km (0.054 R)
• M7: 4,367,959 km (0.086 R)
• M8: 5,458,826 km (0.098 R)
• M9: 5,830,876 km (0.066 R)
• M10: 6,374,216 km (0.063 R)
• M11: 6,852,480 km (0.1 R)
• M12: 7,354,531 km (0.084 R)
• M13: 7,809,308 km (0.113 R)
• M14: 9,612,710 km (0.026 R)
• M15: 10,071,976 km (0.066 R)
• M16: 10,545,902 km (0.083 R)
• M17: 11,079,667 km (0.059 R)
• M18: 11,772,305 km (0.108 R)
• M19: 12,890,101 km (0.092 R)
• M20: 14,670,315 km (0.084 R)
• M21: 18,265,302 km (0.05 R)
• M22: 18,776,627 km (0.105 R)
• M23: 21,477,916 km (0.102 R)
• M24: 22,409,013 km (0.1 R)
• M25: 23,893,473 km (0.1 R)
• M26: 25,680,718 km (0.032 R)
• M27: 26,811,230 km (0.029 R)
• M28: 27,806,355 km (0.117 R)
• M29: 28,398,164 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.2

Radius: 14.9

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.46 AU - 4.92 AU

Year: 5817 Days

Day: 14 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,841,393 km

• M1: 187,297 km (0.032 R)
• M2: 658,231 km (0.12 R)
• M3: 1,274,723 km (0.096 R)
• M4: 1,941,481 km (0.099 R)
• M5: 2,633,820 km (0.081 R)
• M6: 4,494,369 km (0.066 R)
• M7: 5,123,278 km (0.108 R)
• M8: 6,226,114 km (0.096 R)
• M9: 9,153,595 km (0.102 R)
• M10: 11,209,069 km (0.104 R)
• M11: 12,581,181 km (0.11 R)
• M12: 15,113,424 km (0.112 R)
• M13: 15,780,930 km (0.117 R)
• M14: 18,856,961 km (0.107 R)
• M15: 20,943,104 km (0.086 R)
• M16: 22,235,330 km (0.11 R)
• M17: 22,782,709 km (0.082 R)
• M18: 24,231,414 km (0.088 R)
• M19: 33,828,417 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338.9

Radius: 7.9

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4.87 AU - 7.51 AU

Year: 10445 Days

Day: 22.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,841,393 km

• M1: 98,435 km (0.108 R)
• M2: 414,386 km (0.117 R)
• M3: 971,339 km (0.025 R)
• M4: 1,373,907 km (0.116 R)
• M5: 1,682,976 km (0.064 R)
• M6: 1,960,330 km (0.095 R)
• M7: 3,414,422 km (0.092 R)
• M8: 3,669,486 km (0.101 R)
• M9: 5,572,072 km (0.099 R)
• M10: 7,082,562 km (0.088 R)
• M11: 7,345,854 km (0.106 R)
• M12: 8,012,612 km (0.111 R)
• M13: 8,761,947 km (0.118 R)
• M14: 11,290,450 km (0.105 R)
• M15: 11,598,473 km (0.088 R)
• M16: 12,071,052 km (0.11 R)
• M17: 13,508,538 km (0.109 R)
• M18: 14,149,715 km (0.097 R)
• M19: 15,809,802 km (0.12 R)
• M20: 17,390,752 km (0.052 R)
• M21: 17,664,068 km (0.059 R)
• M22: 21,720,414 km (0.064 R)
• M23: 26,809,285 km (0.102 R)
• M24: 28,572,894 km (0.116 R)
• M25: 35,190,805 km (0.051 R)
• M26: 38,795,066 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.5

Radius: 4.4

Gravity: 49.15 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.16 AU - 8.48 AU

Year: 14832 Days

Day: 23.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,841,393 km

• M1: 54,753 km (0.041 R)
• M2: 200,461 km (0.112 R)
• M3: 2,598,066 km (0.095 R)
• M4: 3,034,593 km (0.107 R)
• M5: 3,518,392 km (0.118 R)
• M6: 4,569,916 km (0.05 R)
• M7: 6,644,838 km (0.1 R)
• M8: 7,456,407 km (0.116 R)
• M9: 12,723,897 km (0.084 R)
• M10: 13,615,501 km (0.093 R)
• M11: 14,329,082 km (0.038 R)
• M12: 16,779,795 km (0.047 R)
• M13: 19,230,058 km (0.093 R)
• M14: 22,688,911 km (0.068 R)
• M15: 24,616,330 km (0.077 R)
• M16: 25,780,650 km (0.09 R)
• M17: 26,540,457 km (0.111 R)
• M18: 35,241,070 km (0.047 R)
• M19: 35,907,379 km (0.067 R)
• M20: 38,939,578 km (0.079 R)
• M21: 49,051,646 km (0.074 R)
• M22: 57,048,400 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 933

Radius: 7

Gravity: 19.04 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 6.85 AU - 10.51 AU

Year: 17345 Days

Day: 16.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,841,393 km

• M1: 87,066 km (0.086 R)
• M2: 311,164 km (0.08 R)
• M3: 579,991 km (0.098 R)
• M4: 948,151 km (0.076 R)
• M5: 1,213,837 km (0.119 R)
• M6: 2,967,423 km (0.103 R)
• M7: 3,205,882 km (0.118 R)
• M8: 3,782,133 km (0.076 R)
• M9: 4,990,435 km (0.103 R)
• M10: 6,051,982 km (0.1 R)
• M11: 7,447,730 km (0.103 R)
• M12: 9,100,786 km (0.086 R)
• M13: 9,606,726 km (0.06 R)
• M14: 9,954,242 km (0.038 R)
• M15: 10,552,035 km (0.099 R)
• M16: 12,557,844 km (0.114 R)
• M17: 13,114,198 km (0.045 R)
• M18: 13,832,418 km (0.11 R)
• M19: 15,268,856 km (0.109 R)
• M20: 16,718,908 km (0.074 R)
• M21: 17,137,483 km (0.025 R)
• M22: 18,792,036 km (0.046 R)
• M23: 23,860,112 km (0.073 R)
• M24: 41,410,037 km (0.092 R)
• M25: 41,868,554 km (0.102 R)
• M26: 53,916,868 km (0.117 R)
• M27: 54,830,312 km (0.106 R)
• M28: 60,136,698 km (0.05 R)
• M29: 64,949,262 km (0.083 R)
• M30: 68,936,344 km (0.061 R)
• M31: 69,365,391 km (0.092 R)
• M32: 74,652,778 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475.9

Radius: 7.4

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 8.46 AU - 12.74 AU

Year: 23407 Days

Day: 19.5 Hours

Environment

Temp: -245 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,841,393 km

• M1: 92,003 km (0.046 R)
• M2: 427,850 km (0.12 R)
• M3: 672,293 km (0.087 R)
• M4: 1,915,152 km (0.042 R)
• M5: 2,406,132 km (0.049 R)
• M6: 2,681,841 km (0.087 R)
• M7: 3,055,985 km (0.07 R)
• M8: 3,817,289 km (0.105 R)
• M9: 4,948,099 km (0.062 R)
• M10: 6,076,666 km (0.069 R)
• M11: 7,656,269 km (0.077 R)
• M12: 8,410,542 km (0.116 R)
• M13: 10,124,784 km (0.082 R)
• M14: 10,421,586 km (0.053 R)
• M15: 10,908,527 km (0.072 R)
• M16: 11,667,288 km (0.09 R)
• M17: 12,596,440 km (0.116 R)
• M18: 14,008,045 km (0.084 R)
• M19: 15,600,664 km (0.09 R)
• M20: 16,318,734 km (0.111 R)
• M21: 17,058,645 km (0.059 R)
• M22: 18,517,075 km (0.103 R)
• M23: 19,871,384 km (0.048 R)
• M24: 26,620,193 km (0.07 R)
• M25: 31,626,935 km (0.112 R)
• M26: 33,952,284 km (0.08 R)
• M27: 39,377,152 km (0.078 R)
• M28: 48,470,907 km (0.085 R)
• M29: 49,654,974 km (0.026 R)
• M30: 50,685,105 km (0.064 R)
• M31: 52,433,605 km (0.056 R)
• M32: 52,788,002 km (0.12 R)
• M33: 55,865,679 km (0.073 R)
• M34: 60,800,913 km (0.076 R)
• M35: 64,382,884 km (0.064 R)
• M36: 71,310,463 km (0.053 R)
• M37: 74,393,824 km (0.111 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 15,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit