🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.88 AU - 1.2 AU

Year: 389 Days

Day: 15.9 Hours

Environment

Temp: 30 °C

Axial Tilt: 32.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.07 AU - 1.21 AU

Year: 447 Days

Day: 14.9 Hours

Environment

Temp: 0 °C

Axial Tilt: 35.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 104,432,191 km

• M1: 797,805 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.38 AU - 2.14 AU

Year: 857 Days

Day: 41.1 Hours

Environment

Temp: -64 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.61 AU - 2.05 AU

Year: 909 Days

Day: 44.3 Hours

Environment

Temp: -61 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.5

Radius: 15

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.22 AU - 5.56 AU

Year: 3970 Days

Day: 12.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 104,432,191 km

• M1: 186,698 km (0.074 R)
• M2: 1,079,199 km (0.12 R)
• M3: 2,380,102 km (0.053 R)
• M4: 2,932,118 km (0.11 R)
• M5: 3,894,481 km (0.107 R)
• M6: 6,366,287 km (0.106 R)
• M7: 7,127,740 km (0.062 R)
• M8: 10,136,901 km (0.081 R)
• M9: 13,469,493 km (0.073 R)
• M10: 13,999,070 km (0.065 R)
• M11: 15,146,934 km (0.104 R)
• M12: 16,208,331 km (0.043 R)
• M13: 16,757,205 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.4

Radius: 12.8

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.1 AU - 8.42 AU

Year: 6452 Days

Day: 10.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 104,432,191 km

• M1: 159,172 km (0.095 R)
• M2: 884,423 km (0.061 R)
• M3: 4,075,644 km (0.11 R)
• M4: 8,929,796 km (0.118 R)
• M5: 9,901,883 km (0.103 R)
• M6: 12,106,357 km (0.112 R)
• M7: 16,520,242 km (0.094 R)
• M8: 17,787,935 km (0.058 R)
• M9: 19,051,438 km (0.086 R)
• M10: 19,670,474 km (0.112 R)
• M11: 26,280,456 km (0.118 R)
• M12: 31,110,822 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.1

Radius: 9.7

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.13 AU - 8.49 AU

Year: 6524 Days

Day: 7.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 104,432,191 km

• M1: 121,623 km (0.108 R)
• M2: 965,205 km (0.116 R)
• M3: 1,509,742 km (0.093 R)
• M4: 1,965,417 km (0.104 R)
• M5: 2,463,578 km (0.05 R)
• M6: 2,777,284 km (0.108 R)
• M7: 3,099,369 km (0.086 R)
• M8: 3,547,414 km (0.047 R)
• M9: 4,083,124 km (0.1 R)
• M10: 4,598,339 km (0.095 R)
• M11: 5,209,297 km (0.067 R)
• M12: 6,500,027 km (0.102 R)
• M13: 8,875,791 km (0.107 R)
• M14: 9,420,328 km (0.085 R)
• M15: 10,363,243 km (0.113 R)
• M16: 10,923,487 km (0.073 R)
• M17: 11,640,360 km (0.045 R)
• M18: 12,484,092 km (0.056 R)
• M19: 13,118,387 km (0.044 R)
• M20: 13,774,074 km (0.067 R)
• M21: 14,879,154 km (0.067 R)
• M22: 19,054,430 km (0.044 R)
• M23: 22,070,473 km (0.081 R)
• M24: 25,006,481 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.3

Radius: 5.5

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 11.65 AU - 14.51 AU

Year: 17365 Days

Day: 21.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 104,432,191 km

• M1: 68,965 km (0.066 R)
• M2: 848,968 km (0.103 R)
• M3: 1,368,372 km (0.037 R)
• M4: 1,901,090 km (0.113 R)
• M5: 3,586,160 km (0.103 R)
• M6: 4,659,674 km (0.089 R)
• M7: 6,994,897 km (0.093 R)
• M8: 11,872,087 km (0.106 R)
• M9: 13,798,309 km (0.069 R)
• M10: 16,259,942 km (0.084 R)
• M11: 18,625,832 km (0.038 R)
• M12: 25,069,013 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.7

Radius: 4.8

Gravity: 27.89 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 16.27 AU - 16.47 AU

Year: 24313 Days

Day: 15.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 104,432,191 km

• M1: 60,288 km (0.066 R)
• M2: 221,405 km (0.107 R)
• M3: 529,876 km (0.06 R)
• M4: 914,193 km (0.072 R)
• M5: 1,368,671 km (0.109 R)
• M6: 1,584,541 km (0.074 R)
• M7: 1,803,851 km (0.11 R)
• M8: 3,571,799 km (0.12 R)
• M9: 3,949,982 km (0.098 R)
• M10: 4,115,288 km (0.093 R)
• M11: 4,319,639 km (0.06 R)
• M12: 4,675,532 km (0.088 R)
• M13: 5,089,170 km (0.04 R)
• M14: 5,733,937 km (0.088 R)
• M15: 5,946,216 km (0.09 R)
• M16: 7,837,582 km (0.075 R)
• M17: 8,046,421 km (0.105 R)
• M18: 9,319,798 km (0.118 R)
• M19: 11,981,443 km (0.117 R)
• M20: 14,320,705 km (0.098 R)
• M21: 15,844,509 km (0.114 R)
• M22: 22,390,463 km (0.088 R)
• M23: 29,517,305 km (0.119 R)
• M24: 32,103,553 km (0.087 R)
• M25: 36,116,217 km (0.114 R)
• M26: 37,721,851 km (0.085 R)
• M27: 40,295,682 km (0.051 R)
• M28: 42,822,839 km (0.101 R)
• M29: 47,151,603 km (0.064 R)
• M30: 48,016,129 km (0.11 R)
• M31: 50,134,136 km (0.075 R)
• M32: 51,034,865 km (0.062 R)
• M33: 52,129,622 km (0.075 R)
• M34: 56,860,505 km (0.11 R)
• M35: 63,532,570 km (0.051 R)
• M36: 64,586,936 km (0.106 R)
• M37: 68,699,830 km (0.045 R)
• M38: 79,616,735 km (0.041 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 823.6

Radius: 7.2

Gravity: 15.89 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 18.36 AU - 18.74 AU

Year: 29328 Days

Day: 23.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 104,432,191 km

• M1: 90,058 km (0.063 R)
• M2: 334,950 km (0.042 R)
• M3: 584,329 km (0.1 R)
• M4: 1,155,793 km (0.086 R)
• M5: 2,120,550 km (0.091 R)
• M6: 2,878,712 km (0.086 R)
• M7: 4,877,040 km (0.118 R)
• M8: 8,099,528 km (0.042 R)
• M9: 17,354,999 km (0.117 R)
• M10: 22,967,312 km (0.03 R)
• M11: 23,425,680 km (0.052 R)
• M12: 24,124,452 km (0.107 R)
• M13: 34,816,062 km (0.054 R)
• M14: 36,341,212 km (0.1 R)
• M15: 39,687,866 km (0.087 R)
• M16: 40,182,287 km (0.034 R)
• M17: 41,859,579 km (0.082 R)
• M18: 43,757,826 km (0.1 R)
• M19: 44,285,458 km (0.083 R)
• M20: 47,355,206 km (0.054 R)
• M21: 49,036,387 km (0.09 R)
• M22: 57,410,576 km (0.119 R)
• M23: 58,892,942 km (0.091 R)
• M24: 65,077,916 km (0.116 R)
• M25: 80,022,295 km (0.118 R)
• M26: 88,145,160 km (0.094 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 20,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit