🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.1

Radius: 14.8

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.54 AU - 0.7 AU

Year: 343 Days

Day: 12.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,019,730 km

• M1: 184,005 km (0.108 R)
• M2: 644,617 km (0.059 R)
• M3: 1,236,875 km (0.066 R)
• M4: 1,714,840 km (0.094 R)
• M5: 2,430,367 km (0.073 R)
• M6: 2,973,258 km (0.114 R)
• M7: 3,749,072 km (0.093 R)
• M8: 4,837,995 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.1

Radius: 10.5

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.75 AU - 1.03 AU

Year: 590 Days

Day: 13.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,019,730 km

• M1: 130,599 km (0.07 R)
• M2: 520,002 km (0.102 R)
• M3: 859,889 km (0.086 R)
• M4: 1,444,966 km (0.11 R)
• M5: 2,490,954 km (0.091 R)
• M6: 2,851,186 km (0.093 R)
• M7: 3,322,868 km (0.09 R)
• M8: 4,783,242 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.9

Radius: 8.5

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.89 AU - 0.91 AU

Year: 600 Days

Day: 10 Hours

Environment

Temp: -168 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,019,730 km

• M1: 105,766 km (0.053 R)
• M2: 379,380 km (0.051 R)
• M3: 813,962 km (0.113 R)
• M4: 1,227,600 km (0.1 R)
• M5: 1,636,302 km (0.07 R)
• M6: 2,286,005 km (0.111 R)
• M7: 2,971,163 km (0.073 R)
• M8: 3,476,505 km (0.075 R)
• M9: 3,860,971 km (0.085 R)
• M10: 4,128,452 km (0.077 R)
• M11: 4,786,982 km (0.106 R)
• M12: 5,111,460 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.2

Radius: 11.4

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.87 AU - 2.19 AU

Year: 2033 Days

Day: 8 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,019,730 km

• M1: 141,968 km (0.114 R)
• M2: 958,623 km (0.068 R)
• M3: 1,517,371 km (0.112 R)
• M4: 4,530,123 km (0.114 R)
• M5: 4,926,557 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.7

Radius: 11.4

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.95 AU - 3.01 AU

Year: 2745 Days

Day: 12.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,019,730 km

• M1: 145,110 km (0.094 R)
• M2: 1,177,036 km (0.026 R)
• M3: 1,669,213 km (0.101 R)
• M4: 2,506,512 km (0.047 R)
• M5: 3,289,358 km (0.064 R)
• M6: 6,966,324 km (0.115 R)
• M7: 9,284,343 km (0.107 R)
• M8: 10,748,308 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.3

Radius: 13.5

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.61 AU - 5.31 AU

Year: 6621 Days

Day: 13.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,019,730 km

• M1: 210,933 km (0.098 R)
• M2: 974,181 km (0.117 R)
• M3: 1,567,486 km (0.084 R)
• M4: 2,032,137 km (0.091 R)
• M5: 2,635,316 km (0.077 R)
• M6: 3,090,842 km (0.12 R)
• M7: 4,184,402 km (0.094 R)
• M8: 6,025,653 km (0.059 R)
• M9: 8,426,549 km (0.093 R)
• M10: 8,988,738 km (0.105 R)
• M11: 9,650,858 km (0.059 R)
• M12: 10,786,156 km (0.118 R)
• M13: 12,008,520 km (0.094 R)
• M14: 12,721,504 km (0.103 R)
• M15: 13,321,391 km (0.12 R)
• M16: 15,183,885 km (0.12 R)
• M17: 16,231,070 km (0.088 R)
• M18: 17,158,577 km (0.093 R)
• M19: 17,720,616 km (0.064 R)
• M20: 18,178,984 km (0.046 R)
• M21: 20,906,602 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.5

Radius: 8.8

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.33 AU - 5.83 AU

Year: 8048 Days

Day: 13.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,019,730 km

• M1: 109,655 km (0.118 R)
• M2: 398,828 km (0.062 R)
• M3: 704,756 km (0.087 R)
• M4: 1,081,443 km (0.099 R)
• M5: 1,397,693 km (0.117 R)
• M6: 1,712,596 km (0.045 R)
• M7: 2,089,583 km (0.09 R)
• M8: 3,648,692 km (0.064 R)
• M9: 4,567,821 km (0.08 R)
• M10: 5,436,237 km (0.038 R)
• M11: 5,836,262 km (0.064 R)
• M12: 6,225,216 km (0.09 R)
• M13: 7,290,802 km (0.105 R)
• M14: 7,707,133 km (0.079 R)
• M15: 8,286,675 km (0.102 R)
• M16: 8,587,217 km (0.087 R)
• M17: 8,933,985 km (0.12 R)
• M18: 10,329,135 km (0.086 R)
• M19: 10,810,241 km (0.053 R)
• M20: 14,606,138 km (0.073 R)
• M21: 15,212,458 km (0.069 R)
• M22: 20,069,901 km (0.077 R)
• M23: 24,693,073 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.5

Radius: 3

Gravity: 54.61 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.6 AU - 6.72 AU

Year: 12081 Days

Day: 15.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,019,730 km

• M1: 37,399 km (0.089 R)
• M2: 162,314 km (0.033 R)
• M3: 350,358 km (0.099 R)
• M4: 548,127 km (0.112 R)
• M5: 994,676 km (0.115 R)
• M6: 1,139,786 km (0.057 R)
• M7: 1,403,826 km (0.089 R)
• M8: 1,691,653 km (0.096 R)
• M9: 1,849,628 km (0.097 R)
• M10: 1,982,920 km (0.091 R)
• M11: 2,727,468 km (0.069 R)
• M12: 3,035,042 km (0.086 R)
• M13: 4,068,613 km (0.07 R)
• M14: 5,316,260 km (0.083 R)
• M15: 5,517,917 km (0.107 R)
• M16: 5,936,642 km (0.119 R)
• M17: 6,376,160 km (0.107 R)
• M18: 6,527,404 km (0.104 R)
• M19: 9,925,669 km (0.103 R)
• M20: 10,026,947 km (0.057 R)
• M21: 14,084,640 km (0.113 R)
• M22: 14,405,826 km (0.097 R)
• M23: 17,965,956 km (0.103 R)
• M24: 19,193,257 km (0.076 R)
• M25: 20,311,950 km (0.112 R)
• M26: 22,329,577 km (0.115 R)
• M27: 25,410,694 km (0.117 R)
• M28: 26,368,121 km (0.07 R)
• M29: 34,326,877 km (0.096 R)
• M30: 40,565,707 km (0.115 R)
• M31: 42,802,195 km (0.067 R)
• M32: 44,980,938 km (0.098 R)
• M33: 46,238,308 km (0.041 R)
• M34: 47,375,551 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597

Radius: 6.5

Gravity: 14.13 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.36 AU - 9.62 AU

Year: 15876 Days

Day: 22.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,019,730 km

• M1: 80,783 km (0.062 R)
• M2: 299,345 km (0.097 R)
• M3: 586,124 km (0.052 R)
• M4: 1,794,875 km (0.07 R)
• M5: 2,441,288 km (0.105 R)
• M6: 2,794,787 km (0.059 R)
• M7: 3,362,362 km (0.051 R)
• M8: 3,687,588 km (0.079 R)
• M9: 4,369,604 km (0.114 R)
• M10: 4,625,566 km (0.095 R)
• M11: 5,097,697 km (0.104 R)
• M12: 5,345,581 km (0.105 R)
• M13: 6,418,497 km (0.11 R)
• M14: 7,268,213 km (0.091 R)
• M15: 10,098,754 km (0.096 R)
• M16: 10,776,432 km (0.069 R)
• M17: 12,285,127 km (0.075 R)
• M18: 12,538,845 km (0.091 R)
• M19: 12,796,153 km (0.035 R)
• M20: 16,546,871 km (0.039 R)
• M21: 19,303,960 km (0.043 R)
• M22: 19,907,288 km (0.028 R)
• M23: 20,880,721 km (0.09 R)
• M24: 21,885,570 km (0.082 R)
• M25: 22,826,690 km (0.089 R)
• M26: 24,588,056 km (0.114 R)
• M27: 28,711,721 km (0.107 R)
• M28: 34,391,204 km (0.081 R)
• M29: 35,022,657 km (0.117 R)
• M30: 37,095,335 km (0.081 R)
• M31: 44,394,515 km (0.113 R)
• M32: 44,842,560 km (0.101 R)
• M33: 52,428,668 km (0.107 R)
• M34: 53,097,071 km (0.087 R)
• M35: 56,523,760 km (0.104 R)
• M36: 59,913,050 km (0.056 R)
• M37: 60,826,943 km (0.069 R)
• M38: 61,564,760 km (0.041 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.7

Radius: 4.2

Gravity: 35.53 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 7.88 AU - 8.78 AU

Year: 16900 Days

Day: 22 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,019,730 km

• M1: 52,210 km (0.104 R)
• M2: 302,636 km (0.108 R)
• M3: 476,768 km (0.062 R)
• M4: 707,897 km (0.083 R)
• M5: 987,196 km (0.1 R)
• M6: 1,146,069 km (0.046 R)
• M7: 1,869,225 km (0.1 R)
• M8: 2,532,243 km (0.08 R)
• M9: 2,737,641 km (0.055 R)
• M10: 3,155,767 km (0.086 R)
• M11: 4,565,577 km (0.057 R)
• M12: 4,835,602 km (0.112 R)
• M13: 5,260,609 km (0.058 R)
• M14: 5,519,713 km (0.109 R)
• M15: 6,023,558 km (0.119 R)
• M16: 7,485,429 km (0.071 R)
• M17: 7,718,652 km (0.087 R)
• M18: 7,908,641 km (0.071 R)
• M19: 10,967,768 km (0.096 R)
• M20: 12,204,793 km (0.094 R)
• M21: 13,878,045 km (0.076 R)
• M22: 15,173,413 km (0.106 R)
• M23: 15,471,861 km (0.115 R)
• M24: 18,589,779 km (0.097 R)
• M25: 21,162,713 km (0.118 R)
• M26: 27,001,219 km (0.094 R)
• M27: 30,051,370 km (0.104 R)
• M28: 37,364,013 km (0.09 R)
• M29: 39,571,778 km (0.097 R)
• M30: 40,279,227 km (0.089 R)
• M31: 41,719,256 km (0.078 R)
• M32: 42,451,837 km (0.099 R)
• M33: 44,854,079 km (0.099 R)
• M34: 50,091,949 km (0.086 R)
• M35: 50,753,172 km (0.081 R)
• M36: 54,669,046 km (0.078 R)
• M37: 61,383,148 km (0.069 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 18,710 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit