🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.7

Radius: 12.8

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.44 AU - 0.62 AU

Year: 271 Days

Day: 6.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,763,581 km

• M1: 159,172 km (0.081 R)
• M2: 565,779 km (0.116 R)
• M3: 1,158,187 km (0.085 R)
• M4: 1,625,381 km (0.034 R)
• M5: 2,101,252 km (0.099 R)
• M6: 2,918,654 km (0.11 R)
• M7: 3,859,775 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259

Radius: 14.6

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.01 AU - 1.25 AU

Year: 844 Days

Day: 5.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,763,581 km

• M1: 181,612 km (0.081 R)
• M2: 765,044 km (0.088 R)
• M3: 1,261,260 km (0.117 R)
• M4: 1,781,112 km (0.043 R)
• M5: 2,543,613 km (0.099 R)
• M6: 3,144,248 km (0.047 R)
• M7: 3,973,170 km (0.1 R)
• M8: 4,469,536 km (0.12 R)
• M9: 4,975,625 km (0.114 R)
• M10: 5,468,999 km (0.097 R)
• M11: 6,383,341 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.7

Radius: 10.5

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.37 AU - 1.61 AU

Year: 1278 Days

Day: 8.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,763,581 km

• M1: 130,599 km (0.116 R)
• M2: 495,319 km (0.102 R)
• M3: 859,589 km (0.06 R)
• M4: 1,641,238 km (0.079 R)
• M5: 2,062,955 km (0.081 R)
• M6: 2,894,420 km (0.119 R)
• M7: 3,544,422 km (0.091 R)
• M8: 5,135,097 km (0.063 R)
• M9: 5,499,218 km (0.108 R)
• M10: 5,983,915 km (0.088 R)
• M11: 6,719,338 km (0.106 R)
• M12: 7,784,026 km (0.12 R)
• M13: 8,317,791 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.2

Radius: 13.6

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.53 AU - 2.85 AU

Year: 3101 Days

Day: 8.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,763,581 km

• M1: 169,195 km (0.092 R)
• M2: 689,945 km (0.074 R)
• M3: 1,196,783 km (0.08 R)
• M4: 1,636,302 km (0.105 R)
• M5: 2,199,537 km (0.028 R)
• M6: 2,625,143 km (0.096 R)
• M7: 4,124,264 km (0.053 R)
• M8: 5,181,472 km (0.076 R)
• M9: 6,300,314 km (0.045 R)
• M10: 6,784,862 km (0.102 R)
• M11: 7,449,076 km (0.083 R)
• M12: 8,356,687 km (0.067 R)
• M13: 8,907,656 km (0.105 R)
• M14: 9,336,852 km (0.092 R)
• M15: 9,892,608 km (0.084 R)
• M16: 14,768,302 km (0.119 R)
• M17: 17,333,008 km (0.064 R)
• M18: 19,042,612 km (0.094 R)
• M19: 19,696,804 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.5

Radius: 13.5

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.06 AU - 3.52 AU

Year: 4195 Days

Day: 6.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,763,581 km

• M1: 202,705 km (0.092 R)
• M2: 631,453 km (0.109 R)
• M3: 1,190,649 km (0.089 R)
• M4: 3,338,576 km (0.101 R)
• M5: 4,630,802 km (0.098 R)
• M6: 5,079,895 km (0.11 R)
• M7: 5,506,398 km (0.075 R)
• M8: 5,929,760 km (0.091 R)
• M9: 6,403,537 km (0.077 R)
• M10: 7,270,307 km (0.09 R)
• M11: 10,544,406 km (0.072 R)
• M12: 12,058,636 km (0.113 R)
• M13: 16,149,389 km (0.046 R)
• M14: 19,583,708 km (0.108 R)
• M15: 20,956,717 km (0.085 R)
• M16: 21,732,232 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512

Radius: 10.3

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.39 AU - 3.51 AU

Year: 4504 Days

Day: 7.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,763,581 km

• M1: 128,654 km (0.08 R)
• M2: 502,050 km (0.085 R)
• M3: 871,258 km (0.106 R)
• M4: 1,364,781 km (0.051 R)
• M5: 1,842,747 km (0.114 R)
• M6: 2,178,594 km (0.061 R)
• M7: 2,685,282 km (0.108 R)
• M8: 3,364,755 km (0.094 R)
• M9: 3,871,892 km (0.091 R)
• M10: 4,546,878 km (0.071 R)
• M11: 5,013,773 km (0.057 R)
• M12: 6,131,119 km (0.109 R)
• M13: 6,764,068 km (0.103 R)
• M14: 7,209,869 km (0.083 R)
• M15: 7,950,080 km (0.038 R)
• M16: 9,940,928 km (0.09 R)
• M17: 12,384,161 km (0.106 R)
• M18: 17,108,012 km (0.069 R)
• M19: 17,937,233 km (0.115 R)
• M20: 23,054,378 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.9

Radius: 3.3

Gravity: 47.47 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.06 AU - 9.92 AU

Year: 17389 Days

Day: 24.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 87,763,581 km

• M1: 41,139 km (0.094 R)
• M2: 182,809 km (0.101 R)
• M3: 384,915 km (0.112 R)
• M4: 545,583 km (0.11 R)
• M5: 676,631 km (0.12 R)
• M6: 1,611,169 km (0.088 R)
• M7: 1,974,841 km (0.114 R)
• M8: 2,225,867 km (0.109 R)
• M9: 2,519,677 km (0.058 R)
• M10: 2,838,620 km (0.084 R)
• M11: 2,958,896 km (0.077 R)
• M12: 4,076,991 km (0.052 R)
• M13: 5,089,918 km (0.114 R)
• M14: 5,486,502 km (0.094 R)
• M15: 5,903,282 km (0.096 R)
• M16: 6,588,290 km (0.068 R)
• M17: 7,015,243 km (0.088 R)
• M18: 7,643,404 km (0.086 R)
• M19: 9,010,878 km (0.084 R)
• M20: 9,218,520 km (0.117 R)
• M21: 9,376,495 km (0.111 R)
• M22: 12,345,265 km (0.119 R)
• M23: 18,171,205 km (0.082 R)
• M24: 19,263,718 km (0.07 R)
• M25: 19,608,541 km (0.088 R)
• M26: 20,938,167 km (0.106 R)
• M27: 22,232,338 km (0.051 R)
• M28: 22,611,718 km (0.083 R)
• M29: 26,645,475 km (0.066 R)
• M30: 27,181,036 km (0.113 R)
• M31: 31,251,444 km (0.109 R)
• M32: 35,194,545 km (0.092 R)
• M33: 41,424,698 km (0.119 R)
• M34: 42,869,813 km (0.107 R)
• M35: 44,348,289 km (0.114 R)
• M36: 45,251,411 km (0.097 R)
• M37: 47,562,997 km (0.091 R)
• M38: 48,509,204 km (0.1 R)
• M39: 56,710,758 km (0.081 R)
• M40: 57,240,932 km (0.025 R)
• M41: 61,045,057 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.8

Radius: 4.8

Gravity: 40.1 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.36 AU - 12.1 AU

Year: 21334 Days

Day: 18.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,763,581 km

• M1: 59,989 km (0.063 R)
• M2: 931,396 km (0.104 R)
• M3: 1,112,859 km (0.092 R)
• M4: 1,446,611 km (0.089 R)
• M5: 1,673,402 km (0.116 R)
• M6: 2,697,848 km (0.111 R)
• M7: 4,538,351 km (0.119 R)
• M8: 5,342,589 km (0.118 R)
• M9: 8,708,242 km (0.111 R)
• M10: 8,934,882 km (0.111 R)
• M11: 9,518,613 km (0.114 R)
• M12: 11,762,282 km (0.115 R)
• M13: 12,320,581 km (0.116 R)
• M14: 13,946,710 km (0.11 R)
• M15: 16,646,204 km (0.08 R)
• M16: 17,171,741 km (0.083 R)
• M17: 20,064,814 km (0.063 R)
• M18: 22,729,003 km (0.085 R)
• M19: 34,038,004 km (0.116 R)
• M20: 34,318,350 km (0.047 R)
• M21: 49,846,011 km (0.104 R)
• M22: 64,852,173 km (0.056 R)
• M23: 66,806,669 km (0.08 R)
• M24: 82,858,820 km (0.105 R)
• M25: 87,500,692 km (0.07 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 18,548 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit