🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.52 AU - 0.62 AU

Year: 278 Days

Day: 41 Hours

Environment

Temp: -122 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.6

Radius: 11.7

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.59 AU - 0.91 AU

Year: 419 Days

Day: 6.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,804,229 km

• M1: 147,952 km (0.065 R)
• M2: 778,807 km (0.086 R)
• M3: 1,364,632 km (0.047 R)
• M4: 1,738,477 km (0.081 R)
• M5: 2,343,151 km (0.078 R)
• M6: 2,808,102 km (0.101 R)
• M7: 3,447,184 km (0.107 R)
• M8: 4,077,589 km (0.05 R)
• M9: 4,557,948 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.8

Radius: 9.8

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.73 AU - 0.89 AU

Year: 471 Days

Day: 14.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,804,229 km

• M1: 121,922 km (0.113 R)
• M2: 580,440 km (0.108 R)
• M3: 1,469,949 km (0.06 R)
• M4: 1,924,427 km (0.06 R)
• M5: 2,560,816 km (0.087 R)
• M6: 3,045,513 km (0.076 R)
• M7: 3,601,868 km (0.109 R)
• M8: 4,568,869 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.7

Radius: 9.2

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.68 AU - 1 AU

Year: 497 Days

Day: 11.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,804,229 km

• M1: 114,442 km (0.095 R)
• M2: 410,945 km (0.028 R)
• M3: 697,874 km (0.082 R)
• M4: 1,305,840 km (0.044 R)
• M5: 1,674,150 km (0.118 R)
• M6: 2,135,809 km (0.12 R)
• M7: 2,486,167 km (0.058 R)
• M8: 2,895,018 km (0.098 R)
• M9: 3,403,800 km (0.052 R)
• M10: 3,934,125 km (0.119 R)
• M11: 4,343,873 km (0.084 R)
• M12: 4,683,760 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572

Radius: 13.3

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.31 AU - 1.45 AU

Year: 1047 Days

Day: 11.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,804,229 km

• M1: 165,455 km (0.07 R)
• M2: 697,874 km (0.109 R)
• M3: 1,228,797 km (0.088 R)
• M4: 2,109,180 km (0.114 R)
• M5: 2,798,827 km (0.078 R)
• M6: 3,709,279 km (0.106 R)
• M7: 4,128,452 km (0.086 R)
• M8: 5,308,780 km (0.059 R)
• M9: 5,946,964 km (0.095 R)
• M10: 6,502,571 km (0.077 R)
• M11: 7,818,134 km (0.104 R)
• M12: 8,512,568 km (0.038 R)
• M13: 9,275,966 km (0.056 R)
• M14: 9,848,776 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.8

Radius: 9.2

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.51 AU - 1.93 AU

Year: 1456 Days

Day: 6.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,804,229 km

• M1: 114,592 km (0.066 R)
• M2: 856,298 km (0.099 R)
• M3: 1,338,303 km (0.119 R)
• M4: 2,190,562 km (0.106 R)
• M5: 2,612,278 km (0.077 R)
• M6: 4,683,012 km (0.109 R)
• M7: 5,547,239 km (0.087 R)
• M8: 6,379,003 km (0.042 R)
• M9: 7,316,084 km (0.055 R)
• M10: 10,240,722 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834

Radius: 8.7

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.91 AU - 2.21 AU

Year: 1909 Days

Day: 14 Hours

Environment

Temp: -197 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,804,229 km

• M1: 111,002 km (0.117 R)
• M2: 397,781 km (0.061 R)
• M3: 725,250 km (0.08 R)
• M4: 1,085,482 km (0.111 R)
• M5: 1,486,554 km (0.089 R)
• M6: 2,548,101 km (0.092 R)
• M7: 2,867,791 km (0.07 R)
• M8: 3,364,157 km (0.119 R)
• M9: 3,805,171 km (0.053 R)
• M10: 5,316,858 km (0.112 R)
• M11: 6,586,944 km (0.103 R)
• M12: 7,052,193 km (0.105 R)
• M13: 7,926,593 km (0.083 R)
• M14: 8,421,463 km (0.098 R)
• M15: 9,168,853 km (0.07 R)
• M16: 14,112,914 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.7

Radius: 10.4

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.47 AU - 5.27 AU

Year: 6939 Days

Day: 8.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 156 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,804,229 km

• M1: 129,402 km (0.096 R)
• M2: 600,037 km (0.11 R)
• M3: 964,308 km (0.069 R)
• M4: 1,324,988 km (0.106 R)
• M5: 1,816,567 km (0.12 R)
• M6: 2,329,987 km (0.101 R)
• M7: 2,863,602 km (0.115 R)
• M8: 3,189,875 km (0.073 R)
• M9: 3,562,524 km (0.12 R)
• M10: 4,081,329 km (0.109 R)
• M11: 5,498,619 km (0.1 R)
• M12: 6,944,632 km (0.087 R)
• M13: 12,584,023 km (0.116 R)
• M14: 12,994,520 km (0.089 R)
• M15: 13,361,035 km (0.072 R)
• M16: 14,614,366 km (0.114 R)
• M17: 15,356,521 km (0.094 R)
• M18: 17,543,193 km (0.09 R)
• M19: 19,044,407 km (0.037 R)
• M20: 19,654,467 km (0.102 R)
• M21: 20,068,405 km (0.11 R)
• M22: 20,417,865 km (0.069 R)
• M23: 24,693,522 km (0.08 R)
• M24: 28,027,460 km (0.088 R)
• M25: 28,552,250 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 776.9

Radius: 3.6

Gravity: 59.95 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.56 AU - 9.4 AU

Year: 15944 Days

Day: 23.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,804,229 km

• M1: 44,879 km (0.073 R)
• M2: 231,877 km (0.116 R)
• M3: 351,106 km (0.08 R)
• M4: 566,078 km (0.11 R)
• M5: 741,407 km (0.097 R)
• M6: 1,299,258 km (0.077 R)
• M7: 1,478,177 km (0.085 R)
• M8: 1,812,977 km (0.101 R)
• M9: 1,998,328 km (0.054 R)
• M10: 2,175,751 km (0.071 R)
• M11: 2,472,703 km (0.065 R)
• M12: 2,630,978 km (0.095 R)
• M13: 4,641,274 km (0.114 R)
• M14: 5,059,998 km (0.082 R)
• M15: 5,618,148 km (0.073 R)
• M16: 7,968,031 km (0.113 R)
• M17: 8,618,333 km (0.032 R)
• M18: 10,080,503 km (0.106 R)
• M19: 11,326,204 km (0.098 R)
• M20: 13,976,031 km (0.059 R)
• M21: 14,190,106 km (0.081 R)
• M22: 15,596,176 km (0.111 R)
• M23: 15,749,365 km (0.071 R)
• M24: 17,501,604 km (0.117 R)
• M25: 18,001,261 km (0.027 R)
• M26: 18,941,634 km (0.118 R)
• M27: 21,012,816 km (0.107 R)
• M28: 22,539,462 km (0.106 R)
• M29: 23,130,524 km (0.077 R)
• M30: 26,458,478 km (0.095 R)
• M31: 28,463,688 km (0.062 R)
• M32: 37,636,132 km (0.087 R)
• M33: 49,746,678 km (0.073 R)
• M34: 50,579,638 km (0.101 R)
• M35: 50,915,486 km (0.053 R)
• M36: 55,061,591 km (0.066 R)
• M37: 56,132,113 km (0.116 R)
• M38: 58,130,741 km (0.108 R)
• M39: 66,801,284 km (0.044 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.1

Radius: 6.8

Gravity: 17.76 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 6.99 AU - 10.29 AU

Year: 16398 Days

Day: 25 Hours

Environment

Temp: -222 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,804,229 km

• M1: 95,743 km (0.069 R)
• M2: 337,792 km (0.045 R)
• M3: 933,790 km (0.066 R)
• M4: 1,243,458 km (0.078 R)
• M5: 1,918,593 km (0.099 R)
• M6: 2,171,114 km (0.058 R)
• M7: 3,195,261 km (0.074 R)
• M8: 3,411,579 km (0.113 R)
• M9: 3,995,759 km (0.12 R)
• M10: 5,175,787 km (0.03 R)
• M11: 5,945,917 km (0.086 R)
• M12: 7,616,028 km (0.099 R)
• M13: 8,404,708 km (0.08 R)
• M14: 9,576,358 km (0.094 R)
• M15: 10,028,293 km (0.108 R)
• M16: 10,553,681 km (0.098 R)
• M17: 11,158,655 km (0.109 R)
• M18: 13,954,340 km (0.093 R)
• M19: 14,388,473 km (0.088 R)
• M20: 14,906,381 km (0.076 R)
• M21: 17,936,785 km (0.084 R)
• M22: 25,289,071 km (0.12 R)
• M23: 26,043,045 km (0.069 R)
• M24: 33,387,253 km (0.037 R)
• M25: 34,556,360 km (0.102 R)
• M26: 37,667,846 km (0.101 R)
• M27: 38,934,641 km (0.089 R)
• M28: 44,909,430 km (0.053 R)
• M29: 49,771,810 km (0.098 R)
• M30: 52,851,581 km (0.119 R)
• M31: 58,076,586 km (0.114 R)
• M32: 59,576,305 km (0.097 R)
• M33: 63,241,153 km (0.113 R)
• M34: 65,833,685 km (0.073 R)
• M35: 70,592,243 km (0.108 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 19,611 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit