🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.2

Radius: 9.2

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.22 AU - 1.22 AU

Year: 899 Days

Day: 8.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,850,833 km

• M1: 115,041 km (0.098 R)
• M2: 415,284 km (0.094 R)
• M3: 721,511 km (0.118 R)
• M4: 1,199,775 km (0.117 R)
• M5: 1,504,506 km (0.04 R)
• M6: 2,157,949 km (0.097 R)
• M7: 2,521,023 km (0.044 R)
• M8: 3,618,623 km (0.045 R)
• M9: 4,069,212 km (0.068 R)
• M10: 4,989,239 km (0.046 R)
• M11: 5,448,953 km (0.101 R)
• M12: 6,654,562 km (0.101 R)
• M13: 6,999,535 km (0.09 R)
• M14: 7,952,772 km (0.091 R)
• M15: 8,634,789 km (0.104 R)
• M16: 9,412,249 km (0.06 R)
• M17: 9,965,911 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.8

Radius: 14.3

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.49 AU - 2.01 AU

Year: 1544 Days

Day: 14.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,850,833 km

• M1: 178,021 km (0.09 R)
• M2: 1,056,460 km (0.066 R)
• M3: 2,860,461 km (0.076 R)
• M4: 3,445,089 km (0.048 R)
• M5: 5,220,068 km (0.118 R)
• M6: 7,273,299 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.7

Radius: 9.3

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.67 AU - 2.65 AU

Year: 2117 Days

Day: 13.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,850,833 km

• M1: 115,639 km (0.032 R)
• M2: 432,039 km (0.114 R)
• M3: 757,414 km (0.119 R)
• M4: 1,320,949 km (0.069 R)
• M5: 1,610,122 km (0.076 R)
• M6: 2,346,443 km (0.096 R)
• M7: 3,869,798 km (0.094 R)
• M8: 4,232,273 km (0.092 R)
• M9: 5,114,602 km (0.072 R)
• M10: 6,608,187 km (0.077 R)
• M11: 8,657,528 km (0.107 R)
• M12: 10,947,871 km (0.073 R)
• M13: 11,951,823 km (0.086 R)
• M14: 12,517,303 km (0.107 R)
• M15: 13,876,848 km (0.119 R)
• M16: 14,366,183 km (0.09 R)
• M17: 15,051,939 km (0.054 R)
• M18: 15,999,941 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.4

Radius: 10.1

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.27 AU - 3.57 AU

Year: 4218 Days

Day: 5.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,850,833 km

• M1: 147,952 km (0.043 R)
• M2: 652,696 km (0.044 R)
• M3: 2,321,310 km (0.083 R)
• M4: 2,924,788 km (0.059 R)
• M5: 3,780,488 km (0.097 R)
• M6: 4,564,829 km (0.057 R)
• M7: 5,795,122 km (0.098 R)
• M8: 7,998,849 km (0.105 R)
• M9: 9,259,510 km (0.036 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.5

Radius: 6.3

Gravity: 25.08 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 6.4 AU - 7.4 AU

Year: 12087 Days

Day: 23.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 159.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,850,833 km

• M1: 78,988 km (0.115 R)
• M2: 281,842 km (0.1 R)
• M3: 520,601 km (0.108 R)
• M4: 724,652 km (0.073 R)
• M5: 1,330,224 km (0.12 R)
• M6: 1,625,979 km (0.07 R)
• M7: 1,841,251 km (0.099 R)
• M8: 2,518,031 km (0.116 R)
• M9: 2,877,814 km (0.107 R)
• M10: 3,245,675 km (0.107 R)
• M11: 3,957,312 km (0.107 R)
• M12: 5,004,348 km (0.107 R)
• M13: 5,213,037 km (0.109 R)
• M14: 8,049,413 km (0.118 R)
• M15: 8,433,580 km (0.054 R)
• M16: 9,238,267 km (0.069 R)
• M17: 9,820,502 km (0.115 R)
• M18: 12,714,772 km (0.078 R)
• M19: 14,320,406 km (0.091 R)
• M20: 14,741,973 km (0.092 R)
• M21: 17,053,409 km (0.11 R)
• M22: 19,254,293 km (0.105 R)
• M23: 20,115,378 km (0.095 R)
• M24: 22,473,939 km (0.065 R)
• M25: 23,139,051 km (0.111 R)
• M26: 24,309,804 km (0.058 R)
• M27: 25,931,445 km (0.084 R)
• M28: 26,557,661 km (0.045 R)
• M29: 28,497,048 km (0.062 R)
• M30: 39,899,547 km (0.118 R)
• M31: 44,040,566 km (0.112 R)
• M32: 48,774,142 km (0.103 R)
• M33: 55,713,089 km (0.072 R)
• M34: 56,406,326 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.4

Radius: 4

Gravity: 43.03 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.42 AU - 8.76 AU

Year: 13944 Days

Day: 24.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 64,850,833 km

• M1: 58,642 km (0.076 R)
• M2: 268,379 km (0.047 R)
• M3: 398,978 km (0.107 R)
• M4: 528,679 km (0.084 R)
• M5: 670,049 km (0.063 R)
• M6: 887,863 km (0.089 R)
• M7: 1,151,455 km (0.091 R)
• M8: 1,682,677 km (0.101 R)
• M9: 2,105,141 km (0.097 R)
• M10: 2,866,594 km (0.105 R)
• M11: 3,335,285 km (0.05 R)
• M12: 4,237,060 km (0.078 R)
• M13: 4,910,550 km (0.093 R)
• M14: 6,069,934 km (0.117 R)
• M15: 6,548,198 km (0.049 R)
• M16: 6,754,643 km (0.043 R)
• M17: 7,180,698 km (0.083 R)
• M18: 7,760,988 km (0.086 R)
• M19: 8,323,925 km (0.083 R)
• M20: 8,664,559 km (0.106 R)
• M21: 9,014,468 km (0.081 R)
• M22: 9,742,412 km (0.096 R)
• M23: 11,671,925 km (0.051 R)
• M24: 12,160,362 km (0.032 R)
• M25: 12,725,992 km (0.105 R)
• M26: 14,045,445 km (0.061 R)
• M27: 18,382,586 km (0.073 R)
• M28: 18,710,954 km (0.057 R)
• M29: 19,977,150 km (0.052 R)
• M30: 21,661,622 km (0.058 R)
• M31: 23,534,438 km (0.092 R)
• M32: 28,354,780 km (0.047 R)
• M33: 30,248,540 km (0.026 R)
• M34: 32,225,027 km (0.089 R)
• M35: 33,427,046 km (0.05 R)
• M36: 37,211,722 km (0.111 R)
• M37: 41,272,108 km (0.108 R)
• M38: 44,137,057 km (0.071 R)
• M39: 44,283,812 km (0.092 R)
• M40: 50,419,120 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 374.7

Radius: 5.4

Gravity: 12.85 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.83 AU - 11.29 AU

Year: 21278 Days

Day: 16.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,850,833 km

• M1: 67,319 km (0.091 R)
• M2: 277,205 km (0.064 R)
• M3: 593,305 km (0.051 R)
• M4: 1,647,222 km (0.096 R)
• M5: 2,658,653 km (0.109 R)
• M6: 4,151,491 km (0.074 R)
• M7: 5,146,316 km (0.099 R)
• M8: 5,362,934 km (0.112 R)
• M9: 5,737,527 km (0.042 R)
• M10: 7,098,269 km (0.102 R)
• M11: 8,213,821 km (0.119 R)
• M12: 9,657,440 km (0.114 R)
• M13: 11,142,199 km (0.096 R)
• M14: 17,450,891 km (0.078 R)
• M15: 20,708,085 km (0.058 R)
• M16: 23,352,078 km (0.094 R)
• M17: 26,425,566 km (0.073 R)
• M18: 27,837,321 km (0.047 R)
• M19: 30,928,761 km (0.115 R)
• M20: 31,886,936 km (0.107 R)
• M21: 34,368,465 km (0.11 R)
• M22: 36,975,956 km (0.066 R)
• M23: 58,465,092 km (0.117 R)
• M24: 62,167,789 km (0.058 R)
• M25: 64,269,489 km (0.038 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 12,207 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit