🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.1

Radius: 10.6

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.58 AU - 0.88 AU

Year: 409 Days

Day: 10.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,517,444 km

• M1: 131,945 km (0.119 R)
• M2: 488,138 km (0.076 R)
• M3: 940,671 km (0.117 R)
• M4: 1,368,970 km (0.09 R)
• M5: 1,809,685 km (0.076 R)
• M6: 2,396,408 km (0.118 R)
• M7: 3,148,138 km (0.115 R)
• M8: 3,925,448 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.8

Radius: 9.3

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.14 AU - 1.72 AU

Year: 1122 Days

Day: 10.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,517,444 km

• M1: 115,639 km (0.118 R)
• M2: 471,233 km (0.101 R)
• M3: 830,717 km (0.095 R)
• M4: 1,147,116 km (0.04 R)
• M5: 1,672,654 km (0.08 R)
• M6: 2,200,585 km (0.081 R)
• M7: 2,586,098 km (0.113 R)
• M8: 3,339,473 km (0.108 R)
• M9: 3,784,228 km (0.078 R)
• M10: 4,178,867 km (0.071 R)
• M11: 4,487,936 km (0.066 R)
• M12: 4,832,011 km (0.061 R)
• M13: 5,638,344 km (0.109 R)
• M14: 6,154,307 km (0.114 R)
• M15: 7,838,629 km (0.081 R)
• M16: 8,367,458 km (0.083 R)
• M17: 8,890,302 km (0.074 R)
• M18: 10,001,366 km (0.114 R)
• M19: 10,758,181 km (0.099 R)
• M20: 11,659,060 km (0.098 R)
• M21: 12,237,854 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.2

Radius: 8.3

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.21 AU - 1.89 AU

Year: 1266 Days

Day: 7.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,517,444 km

• M1: 103,223 km (0.081 R)
• M2: 368,759 km (0.07 R)
• M3: 884,871 km (0.079 R)
• M4: 1,145,770 km (0.111 R)
• M5: 1,790,537 km (0.065 R)
• M6: 2,106,787 km (0.029 R)
• M7: 2,448,319 km (0.107 R)
• M8: 2,721,933 km (0.084 R)
• M9: 3,071,843 km (0.113 R)
• M10: 3,846,161 km (0.047 R)
• M11: 5,212,887 km (0.061 R)
• M12: 6,310,487 km (0.096 R)
• M13: 6,637,209 km (0.116 R)
• M14: 7,148,235 km (0.115 R)
• M15: 8,194,373 km (0.107 R)
• M16: 8,897,932 km (0.098 R)
• M17: 9,580,248 km (0.112 R)
• M18: 9,856,555 km (0.107 R)
• M19: 10,393,013 km (0.078 R)
• M20: 11,015,490 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.8

Radius: 9

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.18 AU - 3.5 AU

Year: 3140 Days

Day: 8.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,517,444 km

• M1: 111,899 km (0.11 R)
• M2: 424,409 km (0.106 R)
• M3: 758,461 km (0.065 R)
• M4: 1,272,180 km (0.117 R)
• M5: 1,580,651 km (0.114 R)
• M6: 1,991,297 km (0.032 R)
• M7: 2,487,214 km (0.071 R)
• M8: 3,046,112 km (0.097 R)
• M9: 3,787,668 km (0.079 R)
• M10: 4,190,236 km (0.096 R)
• M11: 5,361,588 km (0.051 R)
• M12: 5,897,896 km (0.083 R)
• M13: 6,265,308 km (0.094 R)
• M14: 8,025,926 km (0.094 R)
• M15: 8,691,935 km (0.054 R)
• M16: 10,744,867 km (0.025 R)
• M17: 11,773,203 km (0.105 R)
• M18: 13,340,390 km (0.098 R)
• M19: 14,174,099 km (0.057 R)
• M20: 14,629,325 km (0.032 R)
• M21: 19,858,220 km (0.106 R)
• M22: 22,408,115 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.8

Radius: 13.8

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.25 AU - 3.47 AU

Year: 3173 Days

Day: 8.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,517,444 km

• M1: 171,589 km (0.088 R)
• M2: 767,138 km (0.109 R)
• M3: 1,477,129 km (0.029 R)
• M4: 2,725,224 km (0.119 R)
• M5: 3,313,742 km (0.111 R)
• M6: 4,110,501 km (0.112 R)
• M7: 5,007,639 km (0.093 R)
• M8: 5,658,390 km (0.111 R)
• M9: 7,283,621 km (0.091 R)
• M10: 7,922,105 km (0.06 R)
• M11: 9,532,975 km (0.09 R)
• M12: 13,773,626 km (0.038 R)
• M13: 16,574,397 km (0.067 R)
• M14: 17,399,878 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513

Radius: 10.4

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.77 AU - 6.17 AU

Year: 7268 Days

Day: 6.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,517,444 km

• M1: 129,402 km (0.116 R)
• M2: 738,415 km (0.031 R)
• M3: 1,104,631 km (0.114 R)
• M4: 2,510,551 km (0.116 R)
• M5: 2,858,815 km (0.099 R)
• M6: 3,497,598 km (0.108 R)
• M7: 3,839,429 km (0.084 R)
• M8: 4,407,452 km (0.087 R)
• M9: 4,807,477 km (0.082 R)
• M10: 5,650,012 km (0.104 R)
• M11: 8,404,408 km (0.076 R)
• M12: 10,486,212 km (0.029 R)
• M13: 11,646,643 km (0.053 R)
• M14: 12,258,050 km (0.088 R)
• M15: 13,324,533 km (0.049 R)
• M16: 15,458,995 km (0.06 R)
• M17: 16,385,904 km (0.088 R)
• M18: 17,878,591 km (0.038 R)
• M19: 18,830,482 km (0.048 R)
• M20: 19,744,226 km (0.101 R)
• M21: 20,321,225 km (0.104 R)
• M22: 22,196,584 km (0.113 R)
• M23: 23,777,834 km (0.081 R)
• M24: 26,549,134 km (0.112 R)
• M25: 27,608,137 km (0.029 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135

Radius: 11.8

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.5 AU - 6.72 AU

Year: 8717 Days

Day: 8.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,517,444 km

• M1: 146,756 km (0.053 R)
• M2: 763,996 km (0.115 R)
• M3: 1,317,658 km (0.112 R)
• M4: 1,730,249 km (0.119 R)
• M5: 2,186,971 km (0.08 R)
• M6: 2,841,911 km (0.11 R)
• M7: 4,065,621 km (0.083 R)
• M8: 5,477,526 km (0.034 R)
• M9: 5,919,289 km (0.036 R)
• M10: 7,422,448 km (0.088 R)
• M11: 8,174,476 km (0.087 R)
• M12: 8,827,022 km (0.038 R)
• M13: 9,397,140 km (0.109 R)
• M14: 11,972,318 km (0.075 R)
• M15: 12,862,425 km (0.072 R)
• M16: 13,645,719 km (0.073 R)
• M17: 14,512,489 km (0.08 R)
• M18: 17,927,210 km (0.115 R)
• M19: 18,904,683 km (0.078 R)
• M20: 19,280,174 km (0.108 R)
• M21: 20,241,041 km (0.071 R)
• M22: 20,700,157 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.9

Radius: 12.2

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.46 AU - 5.98 AU

Year: 8974 Days

Day: 10.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,517,444 km

• M1: 153,487 km (0.092 R)
• M2: 1,159,533 km (0.099 R)
• M3: 1,560,455 km (0.089 R)
• M4: 1,960,181 km (0.118 R)
• M5: 4,431,687 km (0.065 R)
• M6: 4,950,792 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.3

Radius: 7.2

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.31 AU - 6.39 AU

Year: 10497 Days

Day: 19 Hours

Environment

Temp: -232 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,517,444 km

• M1: 90,058 km (0.048 R)
• M2: 458,517 km (0.076 R)
• M3: 701,614 km (0.095 R)
• M4: 971,040 km (0.106 R)
• M5: 2,886,641 km (0.12 R)
• M6: 4,408,649 km (0.058 R)
• M7: 4,829,318 km (0.1 R)
• M8: 5,646,721 km (0.115 R)
• M9: 6,823,458 km (0.109 R)
• M10: 9,652,653 km (0.109 R)
• M11: 10,997,239 km (0.062 R)
• M12: 12,286,922 km (0.117 R)
• M13: 14,373,663 km (0.098 R)
• M14: 14,765,011 km (0.084 R)
• M15: 17,337,196 km (0.111 R)
• M16: 17,706,254 km (0.118 R)
• M17: 34,178,626 km (0.086 R)
• M18: 48,809,447 km (0.079 R)
• M19: 49,102,958 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678.1

Radius: 3.4

Gravity: 58.66 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.85 AU - 7.41 AU

Year: 11199 Days

Day: 19.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 51,517,444 km

• M1: 42,336 km (0.092 R)
• M2: 177,573 km (0.102 R)
• M3: 368,160 km (0.108 R)
• M4: 736,171 km (0.088 R)
• M5: 1,033,123 km (0.09 R)
• M6: 1,196,633 km (0.097 R)
• M7: 1,460,075 km (0.094 R)
• M8: 1,635,853 km (0.09 R)
• M9: 1,776,924 km (0.069 R)
• M10: 2,156,005 km (0.071 R)
• M11: 2,713,556 km (0.092 R)
• M12: 4,106,462 km (0.101 R)
• M13: 4,427,199 km (0.042 R)
• M14: 4,732,977 km (0.118 R)
• M15: 5,251,334 km (0.12 R)
• M16: 6,172,707 km (0.087 R)
• M17: 6,830,489 km (0.101 R)
• M18: 7,968,929 km (0.104 R)
• M19: 8,606,515 km (0.115 R)
• M20: 13,536,214 km (0.032 R)
• M21: 13,663,073 km (0.082 R)
• M22: 14,178,587 km (0.101 R)
• M23: 14,441,281 km (0.041 R)
• M24: 15,803,070 km (0.079 R)
• M25: 17,547,381 km (0.096 R)
• M26: 18,002,608 km (0.073 R)
• M27: 18,621,943 km (0.112 R)
• M28: 19,095,570 km (0.097 R)
• M29: 19,902,800 km (0.091 R)
• M30: 21,241,402 km (0.096 R)
• M31: 23,087,589 km (0.05 R)
• M32: 30,660,981 km (0.108 R)
• M33: 31,878,109 km (0.062 R)
• M34: 33,012,361 km (0.039 R)
• M35: 37,442,701 km (0.104 R)
• M36: 39,346,185 km (0.094 R)
• M37: 46,299,494 km (0.104 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 20,173 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit