🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.9

Radius: 12.8

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.73 AU - 0.87 AU

Year: 469 Days

Day: 7.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,823,460 km

• M1: 159,172 km (0.079 R)
• M2: 632,201 km (0.094 R)
• M3: 1,205,908 km (0.084 R)
• M4: 1,744,311 km (0.118 R)
• M5: 2,199,089 km (0.114 R)
• M6: 2,702,186 km (0.075 R)
• M7: 3,164,294 km (0.085 R)
• M8: 3,614,883 km (0.079 R)
• M9: 4,738,662 km (0.093 R)
• M10: 5,365,328 km (0.033 R)
• M11: 5,974,191 km (0.096 R)
• M12: 6,380,050 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.9

Radius: 10

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.89 AU - 1.27 AU

Year: 736 Days

Day: 10 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,823,460 km

• M1: 124,316 km (0.044 R)
• M2: 529,576 km (0.053 R)
• M3: 879,785 km (0.083 R)
• M4: 1,212,341 km (0.109 R)
• M5: 1,961,527 km (0.083 R)
• M6: 2,501,875 km (0.115 R)
• M7: 3,139,012 km (0.077 R)
• M8: 3,483,087 km (0.079 R)
• M9: 4,589,962 km (0.094 R)
• M10: 5,086,328 km (0.076 R)
• M11: 7,089,593 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.6

Radius: 11.8

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.67 AU - 2.15 AU

Year: 1732 Days

Day: 7.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,823,460 km

• M1: 146,756 km (0.1 R)
• M2: 515,963 km (0.077 R)
• M3: 895,343 km (0.081 R)
• M4: 1,970,952 km (0.1 R)
• M5: 2,496,639 km (0.085 R)
• M6: 2,937,803 km (0.027 R)
• M7: 3,705,838 km (0.087 R)
• M8: 4,657,879 km (0.091 R)
• M9: 5,331,668 km (0.078 R)
• M10: 6,567,047 km (0.062 R)
• M11: 7,116,371 km (0.044 R)
• M12: 7,618,720 km (0.062 R)
• M13: 8,144,856 km (0.047 R)
• M14: 9,211,190 km (0.053 R)
• M15: 9,808,534 km (0.115 R)
• M16: 10,242,069 km (0.06 R)
• M17: 10,883,544 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.3

Radius: 9.6

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.76 AU - 2.8 AU

Year: 2258 Days

Day: 13.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,823,460 km

• M1: 119,529 km (0.049 R)
• M2: 487,839 km (0.075 R)
• M3: 901,477 km (0.07 R)
• M4: 1,308,533 km (0.107 R)
• M5: 1,813,874 km (0.084 R)
• M6: 2,176,649 km (0.116 R)
• M7: 2,646,536 km (0.085 R)
• M8: 3,067,056 km (0.089 R)
• M9: 3,371,637 km (0.075 R)
• M10: 3,771,811 km (0.092 R)
• M11: 4,935,084 km (0.102 R)
• M12: 5,850,922 km (0.098 R)
• M13: 6,540,120 km (0.04 R)
• M14: 7,135,519 km (0.09 R)
• M15: 8,048,216 km (0.093 R)
• M16: 8,434,328 km (0.042 R)
• M17: 8,900,625 km (0.112 R)
• M18: 9,278,808 km (0.116 R)
• M19: 10,939,344 km (0.033 R)
• M20: 15,371,480 km (0.048 R)
• M21: 16,219,551 km (0.11 R)
• M22: 16,629,299 km (0.05 R)
• M23: 18,227,753 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.9

Radius: 14

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.12 AU - 3.18 AU

Year: 2830 Days

Day: 8 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,823,460 km

• M1: 174,132 km (0.078 R)
• M2: 1,115,103 km (0.11 R)
• M3: 1,738,477 km (0.098 R)
• M4: 2,357,214 km (0.119 R)
• M5: 4,718,466 km (0.055 R)
• M6: 5,620,093 km (0.118 R)
• M7: 7,416,464 km (0.05 R)
• M8: 8,361,474 km (0.074 R)
• M9: 9,644,575 km (0.064 R)
• M10: 11,344,605 km (0.07 R)
• M11: 16,059,331 km (0.119 R)
• M12: 18,496,281 km (0.118 R)
• M13: 19,083,004 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.3

Radius: 4.9

Gravity: 15.26 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.66 AU - 7.02 AU

Year: 11735 Days

Day: 20.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,823,460 km

• M1: 83,924 km (0.097 R)
• M2: 334,650 km (0.072 R)
• M3: 600,635 km (0.111 R)
• M4: 786,137 km (0.113 R)
• M5: 1,137,093 km (0.066 R)
• M6: 1,789,939 km (0.119 R)
• M7: 2,358,710 km (0.118 R)
• M8: 2,605,247 km (0.108 R)
• M9: 2,827,250 km (0.063 R)
• M10: 3,286,366 km (0.09 R)
• M11: 4,105,714 km (0.099 R)
• M12: 5,496,525 km (0.107 R)
• M13: 6,532,640 km (0.09 R)
• M14: 6,754,493 km (0.12 R)
• M15: 8,759,105 km (0.106 R)
• M16: 10,263,312 km (0.091 R)
• M17: 11,822,271 km (0.119 R)
• M18: 19,185,777 km (0.086 R)
• M19: 21,697,825 km (0.055 R)
• M20: 22,441,925 km (0.045 R)
• M21: 25,045,227 km (0.055 R)
• M22: 31,049,487 km (0.119 R)
• M23: 32,099,963 km (0.118 R)
• M24: 35,848,287 km (0.087 R)
• M25: 37,355,336 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462.4

Radius: 6.7

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.02 AU - 9.42 AU

Year: 16892 Days

Day: 18.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,823,460 km

• M1: 83,326 km (0.102 R)
• M2: 327,320 km (0.104 R)
• M3: 634,893 km (0.025 R)
• M4: 1,002,755 km (0.092 R)
• M5: 1,268,590 km (0.113 R)
• M6: 1,566,140 km (0.111 R)
• M7: 2,550,195 km (0.116 R)
• M8: 3,429,232 km (0.067 R)
• M9: 4,851,609 km (0.078 R)
• M10: 5,730,346 km (0.117 R)
• M11: 6,710,960 km (0.117 R)
• M12: 9,513,377 km (0.112 R)
• M13: 9,830,674 km (0.095 R)
• M14: 10,319,710 km (0.054 R)
• M15: 10,768,055 km (0.03 R)
• M16: 11,643,352 km (0.045 R)
• M17: 13,076,499 km (0.067 R)
• M18: 14,004,156 km (0.072 R)
• M19: 14,553,629 km (0.11 R)
• M20: 15,477,097 km (0.073 R)
• M21: 15,990,068 km (0.045 R)
• M22: 19,309,644 km (0.106 R)
• M23: 20,249,418 km (0.049 R)
• M24: 20,951,930 km (0.063 R)
• M25: 23,061,709 km (0.064 R)
• M26: 25,208,438 km (0.075 R)
• M27: 26,330,272 km (0.12 R)
• M28: 28,128,888 km (0.117 R)
• M29: 29,113,391 km (0.075 R)
• M30: 31,499,926 km (0.079 R)
• M31: 31,851,182 km (0.108 R)
• M32: 35,130,816 km (0.119 R)
• M33: 37,832,254 km (0.062 R)
• M34: 41,645,205 km (0.107 R)
• M35: 43,644,431 km (0.088 R)
• M36: 46,458,816 km (0.119 R)
• M37: 52,445,872 km (0.11 R)
• M38: 56,136,900 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611.4

Radius: 6.6

Gravity: 14.04 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 10.26 AU - 11.54 AU

Year: 23607 Days

Day: 22.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 81,823,460 km

• M1: 82,129 km (0.064 R)
• M2: 374,892 km (0.07 R)
• M3: 1,298,958 km (0.091 R)
• M4: 1,726,958 km (0.112 R)
• M5: 2,289,147 km (0.089 R)
• M6: 2,612,727 km (0.106 R)
• M7: 3,467,978 km (0.119 R)
• M8: 4,746,740 km (0.086 R)
• M9: 5,593,016 km (0.057 R)
• M10: 6,225,067 km (0.114 R)
• M11: 7,530,757 km (0.058 R)
• M12: 8,090,402 km (0.076 R)
• M13: 8,300,737 km (0.108 R)
• M14: 8,897,932 km (0.11 R)
• M15: 9,349,867 km (0.049 R)
• M16: 10,117,005 km (0.109 R)
• M17: 12,182,802 km (0.107 R)
• M18: 12,389,845 km (0.095 R)
• M19: 14,207,759 km (0.116 R)
• M20: 17,213,778 km (0.1 R)
• M21: 19,188,769 km (0.101 R)
• M22: 21,309,768 km (0.106 R)
• M23: 27,051,783 km (0.085 R)
• M24: 33,205,641 km (0.096 R)
• M25: 33,610,154 km (0.12 R)
• M26: 33,881,674 km (0.042 R)
• M27: 34,291,572 km (0.117 R)
• M28: 36,677,508 km (0.045 R)
• M29: 37,691,333 km (0.073 R)
• M30: 38,278,954 km (0.111 R)
• M31: 39,774,633 km (0.093 R)
• M32: 40,230,907 km (0.102 R)
• M33: 51,712,244 km (0.077 R)
• M34: 59,671,599 km (0.061 R)
• M35: 61,274,839 km (0.107 R)
• M36: 62,291,207 km (0.117 R)
• M37: 63,318,944 km (0.119 R)
• M38: 68,192,095 km (0.088 R)
• M39: 76,781,107 km (0.075 R)
• M40: 77,725,070 km (0.117 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: 506 - 14,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit