🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.9

Radius: 8.7

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.56 AU - 0.82 AU

Year: 389 Days

Day: 14 Hours

Environment

Temp: -154 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,731,438 km

• M1: 108,159 km (0.039 R)
• M2: 475,721 km (0.105 R)
• M3: 920,177 km (0.112 R)
• M4: 1,209,050 km (0.102 R)
• M5: 1,486,554 km (0.117 R)
• M6: 2,098,559 km (0.072 R)
• M7: 2,430,666 km (0.052 R)
• M8: 4,100,178 km (0.11 R)
• M9: 4,651,447 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.7

Radius: 10

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1 AU - 1.08 AU

Year: 719 Days

Day: 12.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,731,438 km

• M1: 124,316 km (0.03 R)
• M2: 573,259 km (0.107 R)
• M3: 988,692 km (0.085 R)
• M4: 1,489,396 km (0.097 R)
• M5: 3,201,245 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.7

Radius: 13.5

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.11 AU - 1.77 AU

Year: 1172 Days

Day: 5.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,731,438 km

• M1: 167,849 km (0.05 R)
• M2: 633,996 km (0.108 R)
• M3: 1,481,617 km (0.05 R)
• M4: 1,952,551 km (0.045 R)
• M5: 2,607,940 km (0.118 R)
• M6: 3,707,484 km (0.112 R)
• M7: 4,243,344 km (0.108 R)
• M8: 6,482,674 km (0.082 R)
• M9: 7,412,874 km (0.083 R)
• M10: 9,990,295 km (0.08 R)
• M11: 10,936,053 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.9

Radius: 14.7

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.26 AU - 1.7 AU

Year: 1221 Days

Day: 14.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,731,438 km

• M1: 183,407 km (0.083 R)
• M2: 652,396 km (0.116 R)
• M3: 1,254,827 km (0.064 R)
• M4: 2,057,420 km (0.096 R)
• M5: 3,010,657 km (0.061 R)
• M6: 3,851,547 km (0.103 R)
• M7: 5,485,006 km (0.056 R)
• M8: 6,385,436 km (0.081 R)
• M9: 7,405,095 km (0.114 R)
• M10: 8,014,556 km (0.083 R)
• M11: 8,480,853 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746

Radius: 10.7

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.33 AU - 2.03 AU

Year: 1477 Days

Day: 12.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,731,438 km

• M1: 133,441 km (0.12 R)
• M2: 846,874 km (0.116 R)
• M3: 1,295,518 km (0.091 R)
• M4: 2,062,955 km (0.106 R)
• M5: 2,620,506 km (0.085 R)
• M6: 3,022,027 km (0.065 R)
• M7: 3,496,701 km (0.098 R)
• M8: 4,274,161 km (0.12 R)
• M9: 5,889,967 km (0.094 R)
• M10: 6,460,534 km (0.081 R)
• M11: 7,851,345 km (0.096 R)
• M12: 8,279,045 km (0.054 R)
• M13: 8,812,661 km (0.09 R)
• M14: 10,114,162 km (0.113 R)
• M15: 10,724,372 km (0.097 R)
• M16: 11,109,287 km (0.082 R)
• M17: 12,018,543 km (0.077 R)
• M18: 12,781,044 km (0.086 R)
• M19: 13,134,543 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.6

Radius: 9.8

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.41 AU - 2.01 AU

Year: 1517 Days

Day: 8.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,731,438 km

• M1: 121,922 km (0.029 R)
• M2: 514,766 km (0.106 R)
• M3: 1,062,743 km (0.1 R)
• M4: 1,434,793 km (0.109 R)
• M5: 1,778,270 km (0.118 R)
• M6: 2,212,852 km (0.078 R)
• M7: 2,858,666 km (0.094 R)
• M8: 3,458,553 km (0.111 R)
• M9: 4,103,320 km (0.114 R)
• M10: 5,654,650 km (0.112 R)
• M11: 6,249,601 km (0.089 R)
• M12: 7,480,492 km (0.112 R)
• M13: 8,316,594 km (0.107 R)
• M14: 9,054,561 km (0.091 R)
• M15: 10,003,909 km (0.073 R)
• M16: 11,531,752 km (0.056 R)
• M17: 12,449,236 km (0.066 R)
• M18: 12,845,520 km (0.116 R)
• M19: 13,455,880 km (0.089 R)
• M20: 14,085,388 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.7

Radius: 13.8

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.65 AU - 2.19 AU

Year: 1804 Days

Day: 13.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,731,438 km

• M1: 172,038 km (0.061 R)
• M2: 1,225,356 km (0.12 R)
• M3: 1,857,557 km (0.092 R)
• M4: 2,308,744 km (0.093 R)
• M5: 2,745,869 km (0.088 R)
• M6: 3,354,583 km (0.077 R)
• M7: 3,920,212 km (0.12 R)
• M8: 4,365,715 km (0.091 R)
• M9: 4,866,868 km (0.087 R)
• M10: 5,812,476 km (0.08 R)
• M11: 6,633,020 km (0.047 R)
• M12: 8,958,070 km (0.056 R)
• M13: 11,160,300 km (0.087 R)
• M14: 13,055,257 km (0.071 R)
• M15: 13,615,351 km (0.098 R)
• M16: 14,783,710 km (0.076 R)
• M17: 15,969,274 km (0.072 R)
• M18: 16,962,603 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.2

Radius: 14.8

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.19 AU - 2.23 AU

Year: 2228 Days

Day: 13.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,731,438 km

• M1: 184,604 km (0.086 R)
• M2: 703,110 km (0.082 R)
• M3: 1,238,222 km (0.097 R)
• M4: 1,734,438 km (0.076 R)
• M5: 2,574,131 km (0.059 R)
• M6: 5,238,469 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.4

Radius: 4.4

Gravity: 51.16 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.62 AU - 7.52 AU

Year: 12750 Days

Day: 21.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 63,731,438 km

• M1: 54,753 km (0.115 R)
• M2: 204,500 km (0.084 R)
• M3: 451,337 km (0.063 R)
• M4: 991,086 km (0.073 R)
• M5: 2,808,401 km (0.079 R)
• M6: 3,050,450 km (0.09 R)
• M7: 3,493,858 km (0.045 R)
• M8: 3,861,121 km (0.075 R)
• M9: 4,540,445 km (0.1 R)
• M10: 6,374,814 km (0.07 R)
• M11: 6,879,108 km (0.096 R)
• M12: 7,185,186 km (0.079 R)
• M13: 7,500,388 km (0.095 R)
• M14: 7,731,218 km (0.12 R)
• M15: 10,249,549 km (0.085 R)
• M16: 10,419,492 km (0.095 R)
• M17: 10,706,869 km (0.037 R)
• M18: 10,999,483 km (0.059 R)
• M19: 11,237,343 km (0.102 R)
• M20: 11,600,716 km (0.084 R)
• M21: 13,000,055 km (0.109 R)
• M22: 17,622,779 km (0.12 R)
• M23: 22,272,430 km (0.071 R)
• M24: 23,135,460 km (0.036 R)
• M25: 25,857,992 km (0.049 R)
• M26: 26,384,576 km (0.086 R)
• M27: 27,350,380 km (0.115 R)
• M28: 28,562,572 km (0.065 R)
• M29: 30,622,684 km (0.091 R)
• M30: 37,126,152 km (0.045 R)
• M31: 38,884,825 km (0.095 R)
• M32: 39,994,093 km (0.098 R)
• M33: 41,267,171 km (0.09 R)
• M34: 42,859,640 km (0.113 R)
• M35: 43,006,396 km (0.056 R)
• M36: 48,198,040 km (0.106 R)
• M37: 51,108,467 km (0.055 R)
• M38: 54,649,598 km (0.08 R)
• M39: 58,530,915 km (0.081 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 17,224 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit