🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.5

Radius: 12.2

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.63 AU - 0.69 AU

Year: 370 Days

Day: 8.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,918,014 km

• M1: 151,692 km (0.114 R)
• M2: 544,536 km (0.079 R)
• M3: 977,323 km (0.067 R)
• M4: 2,176,649 km (0.079 R)
• M5: 2,772,647 km (0.109 R)
• M6: 3,313,892 km (0.088 R)
• M7: 3,695,516 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.2

Radius: 8.3

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.57 AU - 0.83 AU

Year: 404 Days

Day: 10.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,918,014 km

• M1: 103,223 km (0.098 R)
• M2: 422,913 km (0.07 R)
• M3: 707,149 km (0.086 R)
• M4: 1,105,528 km (0.067 R)
• M5: 1,452,147 km (0.11 R)
• M6: 2,170,964 km (0.114 R)
• M7: 2,585,500 km (0.094 R)
• M8: 3,350,095 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.2

Radius: 14.3

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.76 AU - 0.9 AU

Year: 522 Days

Day: 10.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,918,014 km

• M1: 178,321 km (0.079 R)
• M2: 724,054 km (0.066 R)
• M3: 1,340,547 km (0.08 R)
• M4: 1,849,628 km (0.117 R)
• M5: 2,596,421 km (0.044 R)
• M6: 3,500,889 km (0.098 R)
• M7: 4,331,457 km (0.087 R)
• M8: 5,656,744 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.5

Radius: 10.3

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.91 AU - 0.97 AU

Year: 629 Days

Day: 8 Hours

Environment

Temp: -173 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,918,014 km

• M1: 128,205 km (0.11 R)
• M2: 567,275 km (0.116 R)
• M3: 1,185,862 km (0.094 R)
• M4: 1,968,558 km (0.106 R)
• M5: 2,374,717 km (0.065 R)
• M6: 2,967,274 km (0.086 R)
• M7: 4,944,509 km (0.105 R)
• M8: 5,758,770 km (0.095 R)
• M9: 7,133,425 km (0.079 R)
• M10: 7,698,755 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.6

Radius: 14.8

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.08 AU - 1.38 AU

Year: 942 Days

Day: 10.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,918,014 km

• M1: 188,194 km (0.099 R)
• M2: 852,409 km (0.102 R)
• M3: 1,575,266 km (0.063 R)
• M4: 2,559,919 km (0.116 R)
• M5: 3,739,348 km (0.078 R)
• M6: 4,316,497 km (0.113 R)
• M7: 6,776,933 km (0.102 R)
• M8: 7,866,903 km (0.042 R)
• M9: 8,467,688 km (0.069 R)
• M10: 9,702,768 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.3

Radius: 8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.59 AU - 2.59 AU

Year: 2877 Days

Day: 9 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,918,014 km

• M1: 99,483 km (0.078 R)
• M2: 349,909 km (0.08 R)
• M3: 1,045,091 km (0.081 R)
• M4: 1,332,319 km (0.113 R)
• M5: 2,125,337 km (0.106 R)
• M6: 4,073,700 km (0.094 R)
• M7: 4,546,429 km (0.098 R)
• M8: 5,075,557 km (0.026 R)
• M9: 5,450,748 km (0.076 R)
• M10: 5,733,189 km (0.066 R)
• M11: 7,827,409 km (0.083 R)
• M12: 8,103,417 km (0.107 R)
• M13: 10,651,668 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.5

Radius: 12.8

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.31 AU - 3.91 AU

Year: 4734 Days

Day: 13 Hours

Environment

Temp: -211 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,918,014 km

• M1: 159,621 km (0.11 R)
• M2: 654,640 km (0.102 R)
• M3: 1,080,246 km (0.061 R)
• M4: 1,837,959 km (0.111 R)
• M5: 2,415,856 km (0.11 R)
• M6: 2,908,781 km (0.102 R)
• M7: 3,448,231 km (0.084 R)
• M8: 4,962,909 km (0.072 R)
• M9: 6,033,133 km (0.117 R)
• M10: 6,817,325 km (0.088 R)
• M11: 8,212,474 km (0.082 R)
• M12: 9,216,426 km (0.07 R)
• M13: 9,916,095 km (0.12 R)
• M14: 11,282,821 km (0.045 R)
• M15: 13,074,256 km (0.06 R)
• M16: 15,671,873 km (0.115 R)
• M17: 20,667,843 km (0.049 R)
• M18: 21,580,690 km (0.03 R)
• M19: 22,741,120 km (0.116 R)
• M20: 23,562,562 km (0.113 R)
• M21: 28,654,126 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.5

Radius: 5

Gravity: 33.22 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.93 AU - 7.57 AU

Year: 12105 Days

Day: 21.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,918,014 km

• M1: 63,579 km (0.049 R)
• M2: 705,204 km (0.091 R)
• M3: 884,123 km (0.094 R)
• M4: 1,447,509 km (0.061 R)
• M5: 1,627,924 km (0.091 R)
• M6: 2,071,332 km (0.086 R)
• M7: 2,656,709 km (0.107 R)
• M8: 2,928,678 km (0.098 R)
• M9: 4,206,991 km (0.086 R)
• M10: 7,664,647 km (0.097 R)
• M11: 7,891,288 km (0.09 R)
• M12: 9,092,559 km (0.067 R)
• M13: 9,710,398 km (0.066 R)
• M14: 9,922,528 km (0.089 R)
• M15: 10,521,667 km (0.066 R)
• M16: 12,904,013 km (0.049 R)
• M17: 13,420,275 km (0.115 R)
• M18: 14,562,754 km (0.104 R)
• M19: 15,193,160 km (0.059 R)
• M20: 18,377,051 km (0.107 R)
• M21: 22,529,140 km (0.066 R)
• M22: 24,137,916 km (0.112 R)
• M23: 27,900,751 km (0.104 R)
• M24: 31,109,924 km (0.038 R)
• M25: 32,388,986 km (0.073 R)
• M26: 34,679,928 km (0.069 R)
• M27: 35,051,230 km (0.114 R)
• M28: 38,381,428 km (0.046 R)
• M29: 38,645,917 km (0.091 R)
• M30: 51,690,403 km (0.102 R)
• M31: 57,360,312 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.9

Radius: 4.5

Gravity: 11.45 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.87 AU - 9.89 AU

Year: 18265 Days

Day: 19.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,918,014 km

• M1: 55,950 km (0.117 R)
• M2: 201,808 km (0.066 R)
• M3: 711,338 km (0.061 R)
• M4: 1,362,238 km (0.114 R)
• M5: 1,659,340 km (0.108 R)
• M6: 2,068,041 km (0.108 R)
• M7: 2,643,544 km (0.097 R)
• M8: 4,217,164 km (0.114 R)
• M9: 4,691,090 km (0.086 R)
• M10: 4,846,373 km (0.115 R)
• M11: 5,232,784 km (0.109 R)
• M12: 6,748,360 km (0.093 R)
• M13: 7,230,065 km (0.059 R)
• M14: 7,395,520 km (0.117 R)
• M15: 8,351,750 km (0.073 R)
• M16: 14,785,655 km (0.105 R)
• M17: 16,082,519 km (0.066 R)
• M18: 17,379,533 km (0.069 R)
• M19: 18,589,480 km (0.104 R)
• M20: 19,613,029 km (0.04 R)
• M21: 21,175,728 km (0.099 R)
• M22: 22,030,680 km (0.052 R)
• M23: 24,639,966 km (0.094 R)
• M24: 26,652,955 km (0.107 R)
• M25: 28,360,764 km (0.097 R)
• M26: 28,773,056 km (0.108 R)
• M27: 31,992,851 km (0.064 R)
• M28: 34,151,548 km (0.11 R)
• M29: 41,602,869 km (0.073 R)
• M30: 42,671,596 km (0.073 R)
• M31: 45,142,803 km (0.097 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 559 - 11,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit