🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.6

Radius: 13.8

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.99 AU - 1.61 AU

Year: 957 Days

Day: 6.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,691,793 km

• M1: 171,589 km (0.041 R)
• M2: 811,868 km (0.104 R)
• M3: 1,696,589 km (0.101 R)
• M4: 2,598,066 km (0.038 R)
• M5: 3,158,609 km (0.097 R)
• M6: 3,850,948 km (0.085 R)
• M7: 5,441,323 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.6

Radius: 14

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.48 AU - 2.78 AU

Year: 2754 Days

Day: 6.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,691,793 km

• M1: 174,581 km (0.061 R)
• M2: 658,979 km (0.114 R)
• M3: 1,407,866 km (0.072 R)
• M4: 1,989,951 km (0.092 R)
• M5: 3,577,633 km (0.096 R)
• M6: 4,379,777 km (0.091 R)
• M7: 5,086,776 km (0.082 R)
• M8: 5,946,067 km (0.047 R)
• M9: 6,424,630 km (0.094 R)
• M10: 7,250,111 km (0.084 R)
• M11: 8,974,825 km (0.118 R)
• M12: 10,456,891 km (0.119 R)
• M13: 11,599,819 km (0.074 R)
• M14: 12,607,510 km (0.114 R)
• M15: 13,855,904 km (0.08 R)
• M16: 15,087,394 km (0.091 R)
• M17: 16,806,573 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.6

Radius: 9

Gravity: 12.13 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.89 AU - 3.19 AU

Year: 3422 Days

Day: 11.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 22,691,793 km

• M1: 112,049 km (0.107 R)
• M2: 392,395 km (0.104 R)
• M3: 683,961 km (0.099 R)
• M4: 966,851 km (0.054 R)
• M5: 1,260,661 km (0.078 R)
• M6: 1,835,715 km (0.095 R)
• M7: 2,417,202 km (0.082 R)
• M8: 3,286,964 km (0.109 R)
• M9: 3,605,608 km (0.107 R)
• M10: 4,077,440 km (0.092 R)
• M11: 4,687,799 km (0.043 R)
• M12: 5,576,261 km (0.101 R)
• M13: 6,511,098 km (0.052 R)
• M14: 7,311,446 km (0.104 R)
• M15: 7,927,341 km (0.1 R)
• M16: 8,577,194 km (0.06 R)
• M17: 9,340,592 km (0.085 R)
• M18: 10,148,420 km (0.118 R)
• M19: 14,316,965 km (0.108 R)
• M20: 14,686,621 km (0.096 R)
• M21: 15,062,710 km (0.11 R)
• M22: 16,863,869 km (0.115 R)
• M23: 19,763,225 km (0.111 R)
• M24: 20,090,096 km (0.077 R)
• M25: 21,917,434 km (0.06 R)
• M26: 22,338,253 km (0.058 R)
• M27: 23,268,154 km (0.107 R)
• M28: 24,824,570 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.6

Radius: 8.1

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.62 AU - 4 AU

Year: 3888 Days

Day: 5 Hours

Environment

Temp: -213 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,691,793 km

• M1: 112,198 km (0.112 R)
• M2: 791,074 km (0.096 R)
• M3: 1,140,385 km (0.112 R)
• M4: 1,691,354 km (0.106 R)
• M5: 3,770,914 km (0.109 R)
• M6: 4,092,399 km (0.106 R)
• M7: 5,781,659 km (0.057 R)
• M8: 6,485,816 km (0.064 R)
• M9: 9,022,846 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.4

Radius: 12.7

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.52 AU - 3.68 AU

Year: 4410 Days

Day: 9.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,691,793 km

• M1: 158,873 km (0.091 R)
• M2: 597,195 km (0.084 R)
• M3: 1,482,814 km (0.069 R)
• M4: 2,719,390 km (0.07 R)
• M5: 3,338,426 km (0.089 R)
• M6: 5,126,719 km (0.111 R)
• M7: 5,806,043 km (0.074 R)
• M8: 8,435,525 km (0.067 R)
• M9: 9,507,094 km (0.11 R)
• M10: 10,183,725 km (0.112 R)
• M11: 12,016,299 km (0.102 R)
• M12: 12,858,386 km (0.069 R)
• M13: 13,580,943 km (0.119 R)
• M14: 14,385,032 km (0.036 R)
• M15: 16,265,776 km (0.088 R)
• M16: 17,544,838 km (0.116 R)
• M17: 18,693,750 km (0.087 R)
• M18: 20,929,341 km (0.095 R)
• M19: 22,441,625 km (0.099 R)
• M20: 22,886,679 km (0.055 R)
• M21: 24,025,568 km (0.118 R)
• M22: 26,912,358 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.9

Radius: 10.2

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.57 AU - 4.57 AU

Year: 6308 Days

Day: 8.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,691,793 km

• M1: 157,377 km (0.057 R)
• M2: 906,264 km (0.108 R)
• M3: 2,311,437 km (0.111 R)
• M4: 3,275,894 km (0.045 R)
• M5: 3,729,774 km (0.086 R)
• M6: 8,467,987 km (0.115 R)
• M7: 10,039,962 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.2

Radius: 10.3

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.17 AU - 5.91 AU

Year: 7306 Days

Day: 9.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,691,793 km

• M1: 128,953 km (0.092 R)
• M2: 640,428 km (0.079 R)
• M3: 984,952 km (0.086 R)
• M4: 3,429,681 km (0.115 R)
• M5: 4,362,124 km (0.115 R)
• M6: 6,944,932 km (0.098 R)
• M7: 11,167,032 km (0.097 R)
• M8: 11,639,313 km (0.032 R)
• M9: 12,680,215 km (0.088 R)
• M10: 13,136,638 km (0.114 R)
• M11: 14,448,462 km (0.111 R)
• M12: 15,263,620 km (0.118 R)
• M13: 16,241,990 km (0.072 R)
• M14: 17,751,732 km (0.085 R)
• M15: 19,578,472 km (0.117 R)
• M16: 20,343,066 km (0.096 R)
• M17: 30,115,847 km (0.104 R)
• M18: 30,622,385 km (0.063 R)
• M19: 32,599,171 km (0.105 R)
• M20: 34,992,887 km (0.091 R)
• M21: 40,864,154 km (0.066 R)
• M22: 41,360,370 km (0.061 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.4

Radius: 9

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.68 AU - 5.4 AU

Year: 7306 Days

Day: 15 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 22,691,793 km

• M1: 111,899 km (0.095 R)
• M2: 499,358 km (0.097 R)
• M3: 886,068 km (0.096 R)
• M4: 1,424,920 km (0.038 R)
• M5: 2,518,331 km (0.117 R)
• M6: 3,112,982 km (0.067 R)
• M7: 4,001,893 km (0.087 R)
• M8: 4,682,563 km (0.118 R)
• M9: 5,410,057 km (0.109 R)
• M10: 5,845,836 km (0.086 R)
• M11: 6,559,119 km (0.065 R)
• M12: 8,158,619 km (0.058 R)
• M13: 9,008,933 km (0.109 R)
• M14: 9,621,985 km (0.031 R)
• M15: 10,840,161 km (0.114 R)
• M16: 11,675,665 km (0.106 R)
• M17: 12,109,349 km (0.063 R)
• M18: 12,454,023 km (0.1 R)
• M19: 12,805,129 km (0.102 R)
• M20: 14,059,657 km (0.067 R)
• M21: 16,033,301 km (0.086 R)
• M22: 21,943,913 km (0.092 R)
• M23: 24,120,562 km (0.054 R)
• M24: 25,622,226 km (0.059 R)
• M25: 26,027,636 km (0.062 R)
• M26: 26,354,956 km (0.054 R)
• M27: 26,934,498 km (0.115 R)
• M28: 28,898,419 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151

Radius: 5.7

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.21 AU - 7.99 AU

Year: 12215 Days

Day: 22.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 22,691,793 km

• M1: 94,097 km (0.105 R)
• M2: 297,401 km (0.047 R)
• M3: 499,358 km (0.111 R)
• M4: 901,327 km (0.081 R)
• M5: 1,152,801 km (0.104 R)
• M6: 1,380,040 km (0.082 R)
• M7: 1,560,605 km (0.099 R)
• M8: 1,925,773 km (0.115 R)
• M9: 2,396,707 km (0.039 R)
• M10: 3,699,555 km (0.039 R)
• M11: 5,126,719 km (0.03 R)
• M12: 6,347,587 km (0.114 R)
• M13: 6,647,082 km (0.108 R)
• M14: 7,060,720 km (0.111 R)
• M15: 7,382,206 km (0.104 R)
• M16: 9,606,278 km (0.086 R)
• M17: 11,493,006 km (0.093 R)
• M18: 13,778,113 km (0.105 R)
• M19: 15,799,330 km (0.088 R)
• M20: 16,349,402 km (0.059 R)
• M21: 17,487,692 km (0.074 R)
• M22: 18,408,766 km (0.076 R)
• M23: 18,677,743 km (0.027 R)
• M24: 20,275,747 km (0.116 R)
• M25: 20,925,152 km (0.076 R)
• M26: 21,439,768 km (0.083 R)
• M27: 22,879,050 km (0.066 R)
• M28: 25,363,571 km (0.088 R)
• M29: 26,457,131 km (0.035 R)
• M30: 27,493,994 km (0.072 R)
• M31: 28,378,566 km (0.099 R)
• M32: 31,623,943 km (0.046 R)
• M33: 32,204,083 km (0.117 R)
• M34: 32,594,683 km (0.053 R)
• M35: 33,087,459 km (0.039 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 16

Radius: 6.7

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 10.01 AU - 10.57 AU

Year: 21313 Days

Day: 20.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,691,793 km

• M1: 272,418 km (0.071 R)
• M2: 518,506 km (0.103 R)
• M3: 1,237,773 km (0.104 R)
• M4: 3,526,022 km (0.11 R)
• M5: 4,656,084 km (0.087 R)
• M6: 4,991,183 km (0.12 R)
• M7: 5,927,068 km (0.084 R)
• M8: 6,944,184 km (0.088 R)
• M9: 7,804,820 km (0.049 R)
• M10: 9,281,949 km (0.088 R)
• M11: 9,507,244 km (0.117 R)
• M12: 13,010,527 km (0.039 R)
• M13: 14,065,940 km (0.064 R)
• M14: 14,363,490 km (0.112 R)
• M15: 16,455,317 km (0.106 R)
• M16: 17,289,475 km (0.041 R)
• M17: 21,887,664 km (0.113 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 13,270 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit