🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.51 AU - 0.63 AU

Year: 274 Days

Day: 34.2 Hours

Environment

Temp: -118 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 90,699,104 km

• M1: 20,196 km (0.115 R)
• M2: 237,262 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.59 AU - 0.75 AU

Year: 349 Days

Day: 27.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 41.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,699,104 km

• M1: 39,943 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.9

Radius: 14.3

Gravity: 0.05 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.69 AU - 0.87 AU

Year: 438 Days

Day: 8.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 90,699,104 km

• M1: 177,872 km (0.115 R)
• M2: 900,430 km (0.046 R)
• M3: 1,416,692 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.6

Radius: 12.7

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.13 AU - 3.05 AU

Year: 2650 Days

Day: 14 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,699,104 km

• M1: 157,975 km (0.036 R)
• M2: 665,860 km (0.087 R)
• M3: 1,206,656 km (0.095 R)
• M4: 2,206,269 km (0.112 R)
• M5: 4,105,414 km (0.07 R)
• M6: 4,991,034 km (0.042 R)
• M7: 7,397,016 km (0.037 R)
• M8: 8,804,433 km (0.059 R)
• M9: 12,592,700 km (0.095 R)
• M10: 13,480,563 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562

Radius: 11.3

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.54 AU - 4.3 AU

Year: 4935 Days

Day: 14.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,699,104 km

• M1: 140,622 km (0.067 R)
• M2: 701,614 km (0.099 R)
• M3: 1,088,773 km (0.118 R)
• M4: 1,634,506 km (0.048 R)
• M5: 2,206,120 km (0.108 R)
• M6: 5,115,948 km (0.084 R)
• M7: 7,483,633 km (0.1 R)
• M8: 9,500,213 km (0.066 R)
• M9: 10,246,407 km (0.109 R)
• M10: 12,044,424 km (0.108 R)
• M11: 12,476,462 km (0.056 R)
• M12: 13,782,751 km (0.082 R)
• M13: 15,233,701 km (0.12 R)
• M14: 20,061,972 km (0.07 R)
• M15: 20,943,702 km (0.066 R)
• M16: 21,851,013 km (0.067 R)
• M17: 24,348,101 km (0.113 R)
• M18: 26,141,630 km (0.115 R)
• M19: 26,866,730 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.9

Radius: 9.4

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.95 AU - 5.79 AU

Year: 7912 Days

Day: 9.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,699,104 km

• M1: 118,033 km (0.096 R)
• M2: 414,237 km (0.062 R)
• M3: 1,144,424 km (0.107 R)
• M4: 1,588,879 km (0.094 R)
• M5: 2,191,758 km (0.075 R)
• M6: 5,209,147 km (0.107 R)
• M7: 5,579,552 km (0.119 R)
• M8: 5,876,354 km (0.059 R)
• M9: 6,931,767 km (0.098 R)
• M10: 7,702,645 km (0.1 R)
• M11: 9,455,932 km (0.09 R)
• M12: 10,138,996 km (0.081 R)
• M13: 10,946,375 km (0.052 R)
• M14: 11,651,430 km (0.044 R)
• M15: 12,386,404 km (0.071 R)
• M16: 12,739,755 km (0.097 R)
• M17: 13,733,234 km (0.112 R)
• M18: 14,553,180 km (0.078 R)
• M19: 22,328,081 km (0.12 R)
• M20: 29,796,904 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.9

Radius: 9.2

Gravity: 11.48 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.22 AU - 6.72 AU

Year: 9275 Days

Day: 9.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 61.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 90,699,104 km

• M1: 114,442 km (0.082 R)
• M2: 407,505 km (0.102 R)
• M3: 786,137 km (0.031 R)
• M4: 1,109,268 km (0.112 R)
• M5: 1,413,251 km (0.052 R)
• M6: 1,742,516 km (0.114 R)
• M7: 3,122,856 km (0.097 R)
• M8: 4,771,723 km (0.071 R)
• M9: 5,220,068 km (0.094 R)
• M10: 7,809,906 km (0.052 R)
• M11: 9,579,500 km (0.118 R)
• M12: 10,826,248 km (0.099 R)
• M13: 11,320,520 km (0.056 R)
• M14: 11,658,312 km (0.104 R)
• M15: 12,472,872 km (0.109 R)
• M16: 14,476,736 km (0.099 R)
• M17: 14,942,135 km (0.112 R)
• M18: 16,114,084 km (0.036 R)
• M19: 17,198,070 km (0.039 R)
• M20: 18,252,885 km (0.099 R)
• M21: 18,874,763 km (0.066 R)
• M22: 20,741,446 km (0.118 R)
• M23: 21,078,190 km (0.042 R)
• M24: 21,676,283 km (0.068 R)
• M25: 23,813,139 km (0.095 R)
• M26: 24,649,540 km (0.1 R)
• M27: 25,313,456 km (0.107 R)
• M28: 34,589,122 km (0.112 R)
• M29: 36,388,485 km (0.074 R)
• M30: 38,123,521 km (0.076 R)
• M31: 41,490,521 km (0.098 R)
• M32: 44,770,005 km (0.09 R)
• M33: 48,365,740 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.6

Radius: 3.4

Gravity: 63.81 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.25 AU - 8.09 AU

Year: 13506 Days

Day: 17.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 90,699,104 km

• M1: 44,431 km (0.095 R)
• M2: 177,124 km (0.065 R)
• M3: 453,730 km (0.107 R)
• M4: 689,796 km (0.088 R)
• M5: 990,936 km (0.11 R)
• M6: 1,158,636 km (0.085 R)
• M7: 1,373,308 km (0.079 R)
• M8: 2,817,825 km (0.116 R)
• M9: 3,386,148 km (0.067 R)
• M10: 3,683,399 km (0.03 R)
• M11: 4,298,844 km (0.067 R)
• M12: 4,454,875 km (0.118 R)
• M13: 5,328,377 km (0.06 R)
• M14: 5,805,295 km (0.095 R)
• M15: 7,056,532 km (0.031 R)
• M16: 7,722,092 km (0.09 R)
• M17: 8,525,583 km (0.112 R)
• M18: 13,792,475 km (0.054 R)
• M19: 17,209,889 km (0.12 R)
• M20: 19,154,811 km (0.057 R)
• M21: 20,794,553 km (0.086 R)
• M22: 21,241,252 km (0.088 R)
• M23: 21,877,043 km (0.105 R)
• M24: 22,901,938 km (0.074 R)
• M25: 23,474,150 km (0.059 R)
• M26: 24,055,936 km (0.086 R)
• M27: 24,946,492 km (0.098 R)
• M28: 26,064,437 km (0.108 R)
• M29: 26,479,122 km (0.102 R)
• M30: 27,003,612 km (0.072 R)
• M31: 29,394,037 km (0.088 R)
• M32: 29,505,936 km (0.05 R)
• M33: 29,956,226 km (0.051 R)
• M34: 30,525,745 km (0.079 R)
• M35: 44,211,407 km (0.081 R)
• M36: 44,800,972 km (0.082 R)
• M37: 52,618,657 km (0.115 R)
• M38: 55,300,050 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.1

Radius: 7.7

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.84 AU - 8.4 AU

Year: 14712 Days

Day: 22.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,699,104 km

• M1: 96,491 km (0.099 R)
• M2: 729,290 km (0.113 R)
• M3: 1,652,009 km (0.117 R)
• M4: 2,495,741 km (0.082 R)
• M5: 3,013,200 km (0.084 R)
• M6: 4,173,781 km (0.086 R)
• M7: 4,619,881 km (0.114 R)
• M8: 6,263,812 km (0.105 R)
• M9: 6,929,673 km (0.109 R)
• M10: 10,819,516 km (0.107 R)
• M11: 14,582,052 km (0.098 R)
• M12: 17,957,130 km (0.053 R)
• M13: 19,620,658 km (0.047 R)
• M14: 22,978,233 km (0.061 R)
• M15: 24,744,834 km (0.096 R)
• M16: 26,800,758 km (0.119 R)
• M17: 28,232,858 km (0.118 R)
• M18: 29,500,401 km (0.118 R)
• M19: 34,473,184 km (0.074 R)
• M20: 35,920,543 km (0.06 R)
• M21: 36,288,554 km (0.12 R)
• M22: 39,977,338 km (0.052 R)
• M23: 41,305,019 km (0.032 R)
• M24: 46,764,893 km (0.044 R)
• M25: 47,057,207 km (0.069 R)
• M26: 48,089,881 km (0.062 R)
• M27: 51,589,125 km (0.068 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.3

Radius: 7.5

Gravity: 16.2 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 10.38 AU - 11.22 AU

Year: 22567 Days

Day: 17.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 90,699,104 km

• M1: 94,396 km (0.073 R)
• M2: 336,595 km (0.073 R)
• M3: 908,657 km (0.077 R)
• M4: 2,303,059 km (0.082 R)
• M5: 2,871,681 km (0.094 R)
• M6: 3,591,994 km (0.092 R)
• M7: 3,911,835 km (0.101 R)
• M8: 4,572,010 km (0.049 R)
• M9: 5,719,875 km (0.066 R)
• M10: 6,337,863 km (0.068 R)
• M11: 6,663,239 km (0.038 R)
• M12: 9,500,213 km (0.097 R)
• M13: 11,016,088 km (0.114 R)
• M14: 12,980,757 km (0.107 R)
• M15: 13,967,804 km (0.028 R)
• M16: 17,050,118 km (0.04 R)
• M17: 19,762,178 km (0.117 R)
• M18: 21,896,790 km (0.082 R)
• M19: 22,533,927 km (0.115 R)
• M20: 23,845,003 km (0.075 R)
• M21: 24,519,390 km (0.081 R)
• M22: 29,215,716 km (0.114 R)
• M23: 31,841,757 km (0.112 R)
• M24: 35,923,086 km (0.119 R)
• M25: 43,755,283 km (0.101 R)
• M26: 47,182,869 km (0.082 R)
• M27: 49,685,791 km (0.091 R)
• M28: 50,416,876 km (0.081 R)
• M29: 51,713,441 km (0.057 R)
• M30: 54,180,160 km (0.034 R)
• M31: 54,954,778 km (0.108 R)
• M32: 55,540,453 km (0.101 R)
• M33: 61,000,477 km (0.095 R)
• M34: 63,323,881 km (0.101 R)
• M35: 69,275,483 km (0.106 R)
• M36: 70,877,227 km (0.09 R)
• M37: 85,893,861 km (0.111 R)
• M38: 86,946,731 km (0.093 R)
• M39: 88,809,674 km (0.117 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 10,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit