🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.4

Radius: 13.1

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.58 AU - 0.94 AU

Year: 435 Days

Day: 5.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 82,880,607 km

• M1: 162,912 km (0.116 R)
• M2: 680,820 km (0.106 R)
• M3: 1,304,344 km (0.067 R)
• M4: 1,862,493 km (0.117 R)
• M5: 2,379,653 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.7

Radius: 13.4

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.71 AU - 0.83 AU

Year: 443 Days

Day: 6.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,880,607 km

• M1: 166,652 km (0.085 R)
• M2: 613,202 km (0.097 R)
• M3: 1,238,970 km (0.062 R)
• M4: 1,881,343 km (0.045 R)
• M5: 2,332,680 km (0.079 R)
• M6: 3,056,434 km (0.075 R)
• M7: 3,597,679 km (0.096 R)
• M8: 4,346,117 km (0.104 R)
• M9: 5,245,649 km (0.099 R)
• M10: 6,044,352 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.4

Radius: 13.3

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.49 AU - 1.89 AU

Year: 1441 Days

Day: 8.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,880,607 km

• M1: 167,699 km (0.103 R)
• M2: 584,329 km (0.057 R)
• M3: 1,126,771 km (0.084 R)
• M4: 1,596,658 km (0.057 R)
• M5: 2,488,261 km (0.025 R)
• M6: 3,594,538 km (0.088 R)
• M7: 4,189,638 km (0.039 R)
• M8: 4,754,220 km (0.106 R)
• M9: 5,286,938 km (0.037 R)
• M10: 6,543,860 km (0.104 R)
• M11: 7,079,270 km (0.075 R)
• M12: 7,722,990 km (0.095 R)
• M13: 8,182,854 km (0.105 R)
• M14: 9,489,143 km (0.066 R)
• M15: 9,922,827 km (0.032 R)
• M16: 10,401,989 km (0.077 R)
• M17: 11,407,137 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.9

Radius: 10.8

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.82 AU - 2.56 AU

Year: 2126 Days

Day: 9.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,880,607 km

• M1: 134,788 km (0.116 R)
• M2: 493,673 km (0.067 R)
• M3: 893,099 km (0.098 R)
• M4: 1,699,581 km (0.051 R)
• M5: 2,441,886 km (0.111 R)
• M6: 2,923,442 km (0.091 R)
• M7: 3,451,821 km (0.046 R)
• M8: 4,429,144 km (0.076 R)
• M9: 4,982,806 km (0.066 R)
• M10: 5,784,501 km (0.092 R)
• M11: 6,422,237 km (0.091 R)
• M12: 7,425,440 km (0.088 R)
• M13: 7,922,404 km (0.11 R)
• M14: 9,483,907 km (0.11 R)
• M15: 11,169,875 km (0.101 R)
• M16: 12,083,918 km (0.038 R)
• M17: 12,889,652 km (0.12 R)
• M18: 13,245,844 km (0.028 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.1

Radius: 11.5

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.72 AU - 5.92 AU

Year: 8050 Days

Day: 14.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,880,607 km

• M1: 143,016 km (0.071 R)
• M2: 566,527 km (0.034 R)
• M3: 1,008,888 km (0.094 R)
• M4: 1,646,773 km (0.07 R)
• M5: 2,133,864 km (0.092 R)
• M6: 3,844,067 km (0.096 R)
• M7: 4,579,041 km (0.059 R)
• M8: 7,571,447 km (0.071 R)
• M9: 8,526,031 km (0.089 R)
• M10: 9,906,670 km (0.08 R)
• M11: 13,213,082 km (0.032 R)
• M12: 13,699,724 km (0.098 R)
• M13: 16,009,216 km (0.051 R)
• M14: 17,320,441 km (0.107 R)
• M15: 23,917,708 km (0.106 R)
• M16: 24,722,544 km (0.108 R)
• M17: 25,462,455 km (0.104 R)
• M18: 27,333,027 km (0.076 R)
• M19: 28,659,810 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.4

Radius: 4.9

Gravity: 26.51 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.85 AU - 6.51 AU

Year: 10078 Days

Day: 20.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,880,607 km

• M1: 61,036 km (0.099 R)
• M2: 229,034 km (0.081 R)
• M3: 521,049 km (0.11 R)
• M4: 915,090 km (0.044 R)
• M5: 1,069,774 km (0.077 R)
• M6: 1,278,613 km (0.068 R)
• M7: 2,091,378 km (0.11 R)
• M8: 2,306,949 km (0.074 R)
• M9: 3,180,152 km (0.07 R)
• M10: 4,198,614 km (0.086 R)
• M11: 5,825,191 km (0.091 R)
• M12: 6,549,544 km (0.117 R)
• M13: 7,495,751 km (0.04 R)
• M14: 8,044,625 km (0.113 R)
• M15: 9,174,987 km (0.108 R)
• M16: 9,901,883 km (0.069 R)
• M17: 10,356,062 km (0.099 R)
• M18: 10,771,196 km (0.117 R)
• M19: 14,057,114 km (0.1 R)
• M20: 15,418,903 km (0.117 R)
• M21: 18,477,581 km (0.109 R)
• M22: 20,591,698 km (0.065 R)
• M23: 21,917,584 km (0.07 R)
• M24: 23,299,420 km (0.103 R)
• M25: 23,476,095 km (0.069 R)
• M26: 26,330,871 km (0.046 R)
• M27: 26,908,917 km (0.066 R)
• M28: 27,299,068 km (0.069 R)
• M29: 27,692,810 km (0.097 R)
• M30: 28,896,923 km (0.103 R)
• M31: 30,031,025 km (0.083 R)
• M32: 30,240,312 km (0.087 R)
• M33: 31,409,120 km (0.105 R)
• M34: 39,938,443 km (0.067 R)
• M35: 41,863,618 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551

Radius: 5.1

Gravity: 21.18 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.7 AU - 7.32 AU

Year: 10896 Days

Day: 18.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 82,880,607 km

• M1: 116,387 km (0.097 R)
• M2: 286,929 km (0.099 R)
• M3: 493,823 km (0.076 R)
• M4: 707,000 km (0.066 R)
• M5: 940,671 km (0.092 R)
• M6: 1,166,265 km (0.114 R)
• M7: 1,696,589 km (0.091 R)
• M8: 2,102,000 km (0.083 R)
• M9: 2,549,297 km (0.085 R)
• M10: 3,336,182 km (0.047 R)
• M11: 3,733,514 km (0.109 R)
• M12: 4,864,474 km (0.103 R)
• M13: 5,575,513 km (0.119 R)
• M14: 6,464,872 km (0.112 R)
• M15: 8,565,675 km (0.109 R)
• M16: 9,166,161 km (0.073 R)
• M17: 10,975,248 km (0.03 R)
• M18: 11,352,683 km (0.115 R)
• M19: 11,572,293 km (0.077 R)
• M20: 12,076,587 km (0.037 R)
• M21: 16,163,302 km (0.064 R)
• M22: 18,857,560 km (0.109 R)
• M23: 19,165,731 km (0.086 R)
• M24: 19,712,960 km (0.113 R)
• M25: 21,836,951 km (0.063 R)
• M26: 27,606,342 km (0.108 R)
• M27: 28,809,408 km (0.116 R)
• M28: 29,423,956 km (0.094 R)
• M29: 32,407,536 km (0.072 R)
• M30: 35,236,731 km (0.114 R)
• M31: 35,939,392 km (0.055 R)
• M32: 45,113,931 km (0.112 R)
• M33: 45,664,900 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.1

Radius: 7.3

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 9 AU - 9.38 AU

Year: 18276 Days

Day: 22.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,880,607 km

• M1: 90,806 km (0.073 R)
• M2: 430,543 km (0.066 R)
• M3: 840,291 km (0.105 R)
• M4: 1,230,742 km (0.095 R)
• M5: 1,570,778 km (0.111 R)
• M6: 3,057,481 km (0.062 R)
• M7: 3,685,493 km (0.06 R)
• M8: 4,107,958 km (0.105 R)
• M9: 5,232,036 km (0.071 R)
• M10: 6,765,414 km (0.096 R)
• M11: 7,730,769 km (0.061 R)
• M12: 8,271,565 km (0.051 R)
• M13: 9,156,736 km (0.108 R)
• M14: 10,393,910 km (0.083 R)
• M15: 11,738,795 km (0.088 R)
• M16: 13,403,670 km (0.115 R)
• M17: 13,683,867 km (0.109 R)
• M18: 15,912,277 km (0.118 R)
• M19: 16,545,076 km (0.043 R)
• M20: 16,867,758 km (0.1 R)
• M21: 21,452,933 km (0.095 R)
• M22: 22,420,831 km (0.088 R)
• M23: 25,285,630 km (0.075 R)
• M24: 25,821,640 km (0.066 R)
• M25: 26,584,888 km (0.1 R)
• M26: 33,112,441 km (0.112 R)
• M27: 34,534,968 km (0.093 R)
• M28: 42,112,399 km (0.116 R)
• M29: 42,412,642 km (0.058 R)
• M30: 45,809,112 km (0.104 R)
• M31: 48,062,505 km (0.079 R)
• M32: 53,312,792 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.3

Radius: 6.7

Gravity: 17.74 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 8.19 AU - 12.03 AU

Year: 21088 Days

Day: 19.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,880,607 km

• M1: 83,326 km (0.034 R)
• M2: 310,565 km (0.084 R)
• M3: 745,745 km (0.076 R)
• M4: 1,589,477 km (0.091 R)
• M5: 2,208,962 km (0.074 R)
• M6: 2,978,344 km (0.082 R)
• M7: 4,555,255 km (0.078 R)
• M8: 6,574,826 km (0.09 R)
• M9: 7,831,149 km (0.069 R)
• M10: 10,309,238 km (0.102 R)
• M11: 12,201,801 km (0.067 R)
• M12: 14,391,465 km (0.071 R)
• M13: 18,418,340 km (0.099 R)
• M14: 19,342,705 km (0.071 R)
• M15: 33,363,467 km (0.115 R)
• M16: 33,907,554 km (0.071 R)
• M17: 35,858,460 km (0.12 R)
• M18: 42,634,645 km (0.106 R)
• M19: 46,575,352 km (0.056 R)
• M20: 50,039,141 km (0.096 R)
• M21: 52,931,018 km (0.079 R)
• M22: 69,735,047 km (0.094 R)
• M23: 74,719,200 km (0.043 R)
• M24: 75,183,701 km (0.116 R)
• M25: 79,451,579 km (0.119 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 15,423 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit