🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.51 AU - 0.83 AU

Year: 354 Days

Day: 13.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 168.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.27 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.7

Radius: 11.9

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.66 AU - 2.06 AU

Year: 1638 Days

Day: 6.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,600,338 km

• M1: 147,952 km (0.12 R)
• M2: 575,653 km (0.08 R)
• M3: 1,000,660 km (0.105 R)
• M4: 1,404,275 km (0.044 R)
• M5: 2,518,181 km (0.103 R)
• M6: 3,033,246 km (0.092 R)
• M7: 3,552,949 km (0.099 R)
• M8: 4,149,546 km (0.114 R)
• M9: 4,519,800 km (0.045 R)
• M10: 5,034,417 km (0.084 R)
• M11: 5,654,351 km (0.113 R)
• M12: 6,567,795 km (0.111 R)
• M13: 6,944,333 km (0.052 R)
• M14: 11,121,255 km (0.119 R)
• M15: 11,657,863 km (0.033 R)
• M16: 12,174,275 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.3

Radius: 13.3

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.71 AU - 2.87 AU

Year: 3009 Days

Day: 14.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 132.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,600,338 km

• M1: 165,455 km (0.118 R)
• M2: 581,487 km (0.095 R)
• M3: 997,369 km (0.11 R)
• M4: 2,053,530 km (0.05 R)
• M5: 2,680,943 km (0.079 R)
• M6: 3,983,791 km (0.071 R)
• M7: 4,665,359 km (0.082 R)
• M8: 6,172,707 km (0.102 R)
• M9: 7,462,839 km (0.095 R)
• M10: 8,308,217 km (0.08 R)
• M11: 10,002,114 km (0.095 R)
• M12: 11,331,440 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.4

Radius: 11.8

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.5 AU - 3.86 AU

Year: 3661 Days

Day: 6.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,600,338 km

• M1: 148,551 km (0.069 R)
• M2: 518,357 km (0.059 R)
• M3: 909,705 km (0.118 R)
• M4: 1,420,581 km (0.06 R)
• M5: 2,067,293 km (0.112 R)
• M6: 7,367,546 km (0.117 R)
• M7: 10,117,454 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.6

Radius: 9.9

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.1 AU - 4.8 AU

Year: 5069 Days

Day: 10.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,600,338 km

• M1: 124,914 km (0.111 R)
• M2: 453,282 km (0.078 R)
• M3: 1,105,678 km (0.113 R)
• M4: 1,519,316 km (0.073 R)
• M5: 2,090,181 km (0.066 R)
• M6: 3,227,873 km (0.107 R)
• M7: 4,063,228 km (0.083 R)
• M8: 4,426,003 km (0.058 R)
• M9: 5,010,930 km (0.091 R)
• M10: 5,813,672 km (0.059 R)
• M11: 8,813,110 km (0.076 R)
• M12: 10,433,703 km (0.074 R)
• M13: 13,150,550 km (0.091 R)
• M14: 15,694,013 km (0.092 R)
• M15: 16,307,065 km (0.061 R)
• M16: 17,700,121 km (0.062 R)
• M17: 18,733,842 km (0.096 R)
• M18: 19,936,310 km (0.039 R)
• M19: 20,854,542 km (0.077 R)
• M20: 21,869,563 km (0.112 R)
• M21: 22,775,528 km (0.115 R)
• M22: 23,779,030 km (0.114 R)
• M23: 24,439,505 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.5

Radius: 14.4

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.86 AU - 4.48 AU

Year: 5498 Days

Day: 8.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,600,338 km

• M1: 179,218 km (0.111 R)
• M2: 840,590 km (0.118 R)
• M3: 1,476,381 km (0.06 R)
• M4: 2,277,777 km (0.088 R)
• M5: 3,776,299 km (0.117 R)
• M6: 6,029,841 km (0.108 R)
• M7: 8,043,578 km (0.105 R)
• M8: 8,730,681 km (0.071 R)
• M9: 16,222,244 km (0.105 R)
• M10: 17,144,215 km (0.096 R)
• M11: 17,798,257 km (0.065 R)
• M12: 21,457,421 km (0.071 R)
• M13: 22,498,024 km (0.099 R)
• M14: 23,066,496 km (0.101 R)
• M15: 23,571,987 km (0.101 R)
• M16: 25,132,592 km (0.111 R)
• M17: 25,977,072 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850.2

Radius: 3.2

Gravity: 83.03 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.1 AU - 7.64 AU

Year: 10381 Days

Day: 21.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 64,600,338 km

• M1: 40,242 km (0.05 R)
• M2: 243,994 km (0.098 R)
• M3: 363,224 km (0.046 R)
• M4: 521,498 km (0.099 R)
• M5: 648,956 km (0.111 R)
• M6: 787,633 km (0.099 R)
• M7: 904,618 km (0.051 R)
• M8: 1,090,120 km (0.041 R)
• M9: 1,248,544 km (0.047 R)
• M10: 1,493,286 km (0.119 R)
• M11: 2,481,380 km (0.083 R)
• M12: 2,712,808 km (0.104 R)
• M13: 3,170,128 km (0.039 R)
• M14: 3,571,500 km (0.058 R)
• M15: 5,142,876 km (0.084 R)
• M16: 5,243,705 km (0.1 R)
• M17: 6,596,668 km (0.093 R)
• M18: 6,715,748 km (0.106 R)
• M19: 6,957,947 km (0.118 R)
• M20: 8,120,771 km (0.053 R)
• M21: 11,211,912 km (0.103 R)
• M22: 11,324,858 km (0.08 R)
• M23: 11,610,291 km (0.069 R)
• M24: 13,172,392 km (0.109 R)
• M25: 13,615,800 km (0.074 R)
• M26: 13,808,781 km (0.069 R)
• M27: 14,266,251 km (0.064 R)
• M28: 16,125,603 km (0.055 R)
• M29: 20,149,786 km (0.111 R)
• M30: 20,822,976 km (0.082 R)
• M31: 21,685,259 km (0.051 R)
• M32: 23,758,236 km (0.054 R)
• M33: 25,469,785 km (0.092 R)
• M34: 30,323,040 km (0.113 R)
• M35: 33,957,969 km (0.088 R)
• M36: 34,790,032 km (0.058 R)
• M37: 35,030,137 km (0.114 R)
• M38: 37,999,505 km (0.071 R)
• M39: 39,806,797 km (0.117 R)
• M40: 40,465,925 km (0.118 R)
• M41: 47,167,760 km (0.104 R)
• M42: 49,253,154 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.4

Radius: 6.8

Gravity: 14.52 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.74 AU - 10.12 AU

Year: 15804 Days

Day: 18.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,600,338 km

• M1: 84,523 km (0.066 R)
• M2: 302,337 km (0.03 R)
• M3: 520,152 km (0.093 R)
• M4: 790,475 km (0.085 R)
• M5: 1,690,755 km (0.085 R)
• M6: 2,025,256 km (0.088 R)
• M7: 2,466,869 km (0.089 R)
• M8: 4,000,546 km (0.105 R)
• M9: 5,214,084 km (0.111 R)
• M10: 6,323,352 km (0.085 R)
• M11: 6,655,310 km (0.107 R)
• M12: 8,393,338 km (0.099 R)
• M13: 9,963,817 km (0.094 R)
• M14: 12,095,437 km (0.114 R)
• M15: 13,606,076 km (0.11 R)
• M16: 15,238,338 km (0.061 R)
• M17: 18,717,087 km (0.12 R)
• M18: 19,662,845 km (0.076 R)
• M19: 21,836,352 km (0.083 R)
• M20: 25,701,513 km (0.093 R)
• M21: 28,517,393 km (0.093 R)
• M22: 30,583,041 km (0.118 R)
• M23: 36,048,300 km (0.089 R)
• M24: 36,443,088 km (0.101 R)
• M25: 40,126,338 km (0.1 R)
• M26: 41,407,195 km (0.065 R)
• M27: 42,130,351 km (0.106 R)
• M28: 46,803,639 km (0.105 R)
• M29: 48,063,552 km (0.096 R)
• M30: 51,477,674 km (0.075 R)
• M31: 58,060,579 km (0.098 R)
• M32: 61,552,792 km (0.104 R)
• M33: 62,116,776 km (0.115 R)
• M34: 64,213,988 km (0.112 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 18,546 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit