🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.6

Radius: 12.8

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.08 AU - 1.16 AU

Year: 818 Days

Day: 11.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,985,763 km

• M1: 159,621 km (0.046 R)
• M2: 603,029 km (0.116 R)
• M3: 1,005,298 km (0.089 R)
• M4: 1,482,964 km (0.045 R)
• M5: 1,887,626 km (0.083 R)
• M6: 2,406,880 km (0.102 R)
• M7: 2,816,180 km (0.09 R)
• M8: 3,564,468 km (0.106 R)
• M9: 4,100,627 km (0.117 R)
• M10: 4,564,680 km (0.036 R)
• M11: 6,483,572 km (0.079 R)
• M12: 7,032,297 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.2

Radius: 12.3

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.78 AU - 2.34 AU

Year: 2041 Days

Day: 12 Hours

Environment

Temp: -209 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,985,763 km

• M1: 153,039 km (0.099 R)
• M2: 790,774 km (0.11 R)
• M3: 1,212,940 km (0.042 R)
• M4: 1,624,483 km (0.1 R)
• M5: 2,950,070 km (0.05 R)
• M6: 4,356,888 km (0.034 R)
• M7: 5,097,099 km (0.096 R)
• M8: 5,969,105 km (0.076 R)
• M9: 6,506,909 km (0.118 R)
• M10: 6,910,674 km (0.111 R)
• M11: 8,379,276 km (0.085 R)
• M12: 9,120,833 km (0.089 R)
• M13: 9,975,934 km (0.059 R)
• M14: 11,571,096 km (0.065 R)
• M15: 14,341,050 km (0.116 R)
• M16: 14,888,429 km (0.078 R)
• M17: 15,592,137 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.3

Radius: 13.2

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.91 AU - 3.03 AU

Year: 2680 Days

Day: 8.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,985,763 km

• M1: 189,840 km (0.08 R)
• M2: 836,402 km (0.099 R)
• M3: 1,257,819 km (0.106 R)
• M4: 2,212,253 km (0.061 R)
• M5: 4,612,402 km (0.04 R)
• M6: 5,026,937 km (0.047 R)
• M7: 5,826,239 km (0.074 R)
• M8: 6,622,249 km (0.073 R)
• M9: 7,303,966 km (0.096 R)
• M10: 9,089,866 km (0.06 R)
• M11: 9,970,848 km (0.06 R)
• M12: 10,867,687 km (0.098 R)
• M13: 11,775,297 km (0.041 R)
• M14: 13,600,840 km (0.1 R)
• M15: 14,556,770 km (0.12 R)
• M16: 15,302,815 km (0.115 R)
• M17: 16,817,344 km (0.055 R)
• M18: 17,918,683 km (0.051 R)
• M19: 19,243,971 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.9

Radius: 8.2

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.2 AU - 3.36 AU

Year: 3199 Days

Day: 12.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,985,763 km

• M1: 102,026 km (0.085 R)
• M2: 376,837 km (0.097 R)
• M3: 731,085 km (0.093 R)
• M4: 1,045,540 km (0.077 R)
• M5: 1,332,917 km (0.052 R)
• M6: 2,273,140 km (0.091 R)
• M7: 3,145,445 km (0.077 R)
• M8: 3,600,372 km (0.036 R)
• M9: 3,914,079 km (0.083 R)
• M10: 5,183,117 km (0.068 R)
• M11: 7,275,094 km (0.028 R)
• M12: 10,609,780 km (0.108 R)
• M13: 13,264,843 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.2

Radius: 10.6

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.04 AU - 4.18 AU

Year: 4734 Days

Day: 13 Hours

Environment

Temp: -226 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,985,763 km

• M1: 133,890 km (0.051 R)
• M2: 651,648 km (0.119 R)
• M3: 1,020,407 km (0.085 R)
• M4: 1,823,448 km (0.091 R)
• M5: 2,195,199 km (0.063 R)
• M6: 3,918,118 km (0.039 R)
• M7: 4,335,945 km (0.081 R)
• M8: 4,734,922 km (0.064 R)
• M9: 5,184,165 km (0.054 R)
• M10: 9,094,055 km (0.092 R)
• M11: 9,632,457 km (0.083 R)
• M12: 10,985,720 km (0.062 R)
• M13: 11,641,258 km (0.081 R)
• M14: 12,886,510 km (0.098 R)
• M15: 18,641,690 km (0.026 R)
• M16: 22,213,189 km (0.079 R)
• M17: 23,689,421 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.9

Radius: 3.1

Gravity: 89.38 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.67 AU - 6.19 AU

Year: 9968 Days

Day: 15.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 68,985,763 km

• M1: 38,596 km (0.074 R)
• M2: 176,974 km (0.096 R)
• M3: 536,608 km (0.077 R)
• M4: 698,921 km (0.083 R)
• M5: 824,583 km (0.092 R)
• M6: 923,617 km (0.102 R)
• M7: 1,231,639 km (0.102 R)
• M8: 1,727,257 km (0.074 R)
• M9: 1,840,652 km (0.043 R)
• M10: 1,993,541 km (0.062 R)
• M11: 2,363,796 km (0.052 R)
• M12: 2,670,322 km (0.111 R)
• M13: 4,222,549 km (0.081 R)
• M14: 4,734,922 km (0.111 R)
• M15: 5,153,796 km (0.109 R)
• M16: 5,321,346 km (0.03 R)
• M17: 7,667,938 km (0.11 R)
• M18: 8,153,832 km (0.029 R)
• M19: 8,566,423 km (0.078 R)
• M20: 9,532,825 km (0.098 R)
• M21: 14,388,922 km (0.105 R)
• M22: 14,521,166 km (0.102 R)
• M23: 14,721,029 km (0.092 R)
• M24: 15,058,222 km (0.043 R)
• M25: 15,818,329 km (0.092 R)
• M26: 16,749,127 km (0.088 R)
• M27: 18,797,870 km (0.067 R)
• M28: 21,263,243 km (0.12 R)
• M29: 22,306,838 km (0.098 R)
• M30: 22,572,972 km (0.054 R)
• M31: 22,931,110 km (0.096 R)
• M32: 25,739,062 km (0.106 R)
• M33: 27,225,167 km (0.062 R)
• M34: 33,976,070 km (0.058 R)
• M35: 35,279,666 km (0.09 R)
• M36: 43,946,918 km (0.095 R)
• M37: 44,365,044 km (0.089 R)
• M38: 45,778,145 km (0.075 R)
• M39: 47,366,725 km (0.116 R)
• M40: 48,248,604 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.5

Radius: 3.7

Gravity: 54.16 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 7.68 AU - 8.98 AU

Year: 16595 Days

Day: 15.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 68,985,763 km

• M1: 46,824 km (0.031 R)
• M2: 235,168 km (0.101 R)
• M3: 378,782 km (0.091 R)
• M4: 549,323 km (0.09 R)
• M5: 693,685 km (0.042 R)
• M6: 929,302 km (0.12 R)
• M7: 1,149,211 km (0.059 R)
• M8: 1,271,731 km (0.108 R)
• M9: 1,625,231 km (0.083 R)
• M10: 1,944,922 km (0.092 R)
• M11: 2,412,565 km (0.101 R)
• M12: 2,755,593 km (0.066 R)
• M13: 2,951,416 km (0.065 R)
• M14: 4,625,716 km (0.104 R)
• M15: 7,814,095 km (0.082 R)
• M16: 7,959,654 km (0.097 R)
• M17: 8,407,550 km (0.111 R)
• M18: 9,190,994 km (0.107 R)
• M19: 9,683,620 km (0.115 R)
• M20: 9,851,768 km (0.061 R)
• M21: 10,309,537 km (0.088 R)
• M22: 11,959,452 km (0.084 R)
• M23: 12,414,230 km (0.112 R)
• M24: 13,918,735 km (0.046 R)
• M25: 14,862,698 km (0.074 R)
• M26: 15,540,676 km (0.105 R)
• M27: 16,160,310 km (0.106 R)
• M28: 24,100,067 km (0.112 R)
• M29: 25,885,069 km (0.094 R)
• M30: 26,644,877 km (0.079 R)
• M31: 27,981,983 km (0.028 R)
• M32: 29,013,759 km (0.093 R)
• M33: 39,464,816 km (0.074 R)
• M34: 45,599,825 km (0.1 R)
• M35: 46,866,470 km (0.037 R)
• M36: 48,810,344 km (0.098 R)
• M37: 51,655,247 km (0.083 R)
• M38: 55,141,177 km (0.092 R)
• M39: 56,216,785 km (0.059 R)
• M40: 56,941,587 km (0.095 R)
• M41: 66,130,636 km (0.105 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 15,794 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit