🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.46 AU - 0.6 AU

Year: 253 Days

Day: 28 Hours

Environment

Temp: -116 °C

Axial Tilt: 41.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.7

Radius: 14

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.75 AU - 1.03 AU

Year: 551 Days

Day: 10.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,372,447 km

• M1: 174,431 km (0.038 R)
• M2: 662,569 km (0.112 R)
• M3: 1,248,993 km (0.036 R)
• M4: 1,931,159 km (0.109 R)
• M5: 2,481,081 km (0.118 R)
• M6: 3,217,401 km (0.098 R)
• M7: 4,501,550 km (0.094 R)
• M8: 4,982,507 km (0.101 R)
• M9: 5,724,512 km (0.093 R)
• M10: 6,675,655 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.6

Radius: 10.4

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.42 AU - 1.44 AU

Year: 1122 Days

Day: 8.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 164.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,372,447 km

• M1: 129,701 km (0.06 R)
• M2: 465,848 km (0.097 R)
• M3: 825,182 km (0.101 R)
• M4: 1,184,815 km (0.07 R)
• M5: 1,718,132 km (0.046 R)
• M6: 2,085,694 km (0.112 R)
• M7: 2,596,421 km (0.062 R)
• M8: 2,944,385 km (0.098 R)
• M9: 3,420,107 km (0.12 R)
• M10: 3,961,800 km (0.104 R)
• M11: 4,854,451 km (0.062 R)
• M12: 5,198,676 km (0.102 R)
• M13: 6,059,312 km (0.118 R)
• M14: 6,720,834 km (0.069 R)
• M15: 7,888,445 km (0.117 R)
• M16: 8,340,380 km (0.09 R)
• M17: 8,862,627 km (0.111 R)
• M18: 9,186,356 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.8

Radius: 13.1

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.95 AU - 2.47 AU

Year: 2155 Days

Day: 12.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,372,447 km

• M1: 163,211 km (0.102 R)
• M2: 586,723 km (0.056 R)
• M3: 1,287,439 km (0.08 R)
• M4: 2,272,990 km (0.114 R)
• M5: 4,061,732 km (0.116 R)
• M6: 4,535,508 km (0.113 R)
• M7: 5,642,383 km (0.049 R)
• M8: 6,705,126 km (0.103 R)
• M9: 8,929,198 km (0.113 R)
• M10: 10,406,477 km (0.088 R)
• M11: 15,386,291 km (0.087 R)
• M12: 15,910,033 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.1

Radius: 10.6

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.03 AU - 2.97 AU

Year: 2593 Days

Day: 7.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,372,447 km

• M1: 132,993 km (0.12 R)
• M2: 465,249 km (0.073 R)
• M3: 893,847 km (0.116 R)
• M4: 1,232,387 km (0.038 R)
• M5: 1,627,924 km (0.064 R)
• M6: 1,988,604 km (0.104 R)
• M7: 2,525,960 km (0.054 R)
• M8: 3,207,079 km (0.049 R)
• M9: 3,689,981 km (0.054 R)
• M10: 5,389,413 km (0.086 R)
• M11: 5,749,345 km (0.084 R)
• M12: 6,176,746 km (0.116 R)
• M13: 6,899,304 km (0.099 R)
• M14: 7,295,589 km (0.101 R)
• M15: 8,706,297 km (0.092 R)
• M16: 11,818,082 km (0.059 R)
• M17: 12,888,605 km (0.069 R)
• M18: 13,447,502 km (0.073 R)
• M19: 14,067,436 km (0.073 R)
• M20: 14,613,767 km (0.098 R)
• M21: 16,140,413 km (0.086 R)
• M22: 16,840,681 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.7

Radius: 10.4

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.73 AU - 2.97 AU

Year: 3156 Days

Day: 8.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,372,447 km

• M1: 129,402 km (0.072 R)
• M2: 529,277 km (0.055 R)
• M3: 864,376 km (0.119 R)
• M4: 1,213,837 km (0.074 R)
• M5: 1,540,708 km (0.087 R)
• M6: 2,031,240 km (0.117 R)
• M7: 2,796,732 km (0.078 R)
• M8: 3,601,868 km (0.108 R)
• M9: 4,021,041 km (0.081 R)
• M10: 4,596,095 km (0.107 R)
• M11: 5,385,224 km (0.114 R)
• M12: 5,763,856 km (0.11 R)
• M13: 6,735,195 km (0.116 R)
• M14: 7,431,424 km (0.08 R)
• M15: 7,812,001 km (0.08 R)
• M16: 9,198,175 km (0.094 R)
• M17: 12,697,718 km (0.08 R)
• M18: 13,370,758 km (0.062 R)
• M19: 14,788,348 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.9

Radius: 15

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.31 AU - 3.75 AU

Year: 3460 Days

Day: 11 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,372,447 km

• M1: 186,549 km (0.11 R)
• M2: 726,597 km (0.1 R)
• M3: 1,910,664 km (0.086 R)
• M4: 3,251,959 km (0.119 R)
• M5: 4,506,486 km (0.113 R)
• M6: 5,637,297 km (0.111 R)
• M7: 6,511,696 km (0.118 R)
• M8: 8,204,546 km (0.048 R)
• M9: 10,897,606 km (0.079 R)
• M10: 12,878,282 km (0.094 R)
• M11: 15,035,035 km (0.09 R)
• M12: 18,272,782 km (0.119 R)
• M13: 22,089,771 km (0.082 R)
• M14: 23,667,430 km (0.061 R)
• M15: 26,567,535 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.9

Radius: 5.6

Gravity: 13.26 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.63 AU - 8.71 AU

Year: 12595 Days

Day: 18.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,372,447 km

• M1: 69,713 km (0.1 R)
• M2: 297,849 km (0.067 R)
• M3: 826,079 km (0.083 R)
• M4: 1,052,571 km (0.1 R)
• M5: 1,283,101 km (0.112 R)
• M6: 2,166,476 km (0.082 R)
• M7: 2,502,922 km (0.115 R)
• M8: 2,982,682 km (0.075 R)
• M9: 3,209,622 km (0.06 R)
• M10: 4,463,552 km (0.093 R)
• M11: 5,428,757 km (0.082 R)
• M12: 6,084,893 km (0.106 R)
• M13: 6,302,708 km (0.098 R)
• M14: 7,307,557 km (0.103 R)
• M15: 8,370,300 km (0.088 R)
• M16: 8,777,057 km (0.084 R)
• M17: 10,279,169 km (0.112 R)
• M18: 13,291,322 km (0.057 R)
• M19: 14,997,336 km (0.063 R)
• M20: 21,732,531 km (0.076 R)
• M21: 23,551,193 km (0.077 R)
• M22: 24,634,880 km (0.052 R)
• M23: 25,940,570 km (0.108 R)
• M24: 26,130,858 km (0.111 R)
• M25: 27,488,609 km (0.078 R)
• M26: 28,587,854 km (0.07 R)
• M27: 30,028,930 km (0.117 R)
• M28: 33,729,084 km (0.075 R)
• M29: 35,688,218 km (0.071 R)
• M30: 36,159,900 km (0.096 R)
• M31: 37,236,556 km (0.092 R)
• M32: 37,966,144 km (0.109 R)
• M33: 40,211,908 km (0.04 R)
• M34: 42,018,751 km (0.086 R)
• M35: 43,609,874 km (0.113 R)
• M36: 46,771,026 km (0.068 R)

Asteroid Belt

Center: 7.72 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.9

Radius: 3.2

Gravity: 20.4 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.27 AU - 8.27 AU

Year: 15602 Days

Day: 15.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,372,447 km

• M1: 40,092 km (0.101 R)
• M2: 201,209 km (0.119 R)
• M3: 314,305 km (0.095 R)
• M4: 527,183 km (0.079 R)
• M5: 709,244 km (0.059 R)
• M6: 810,671 km (0.06 R)
• M7: 1,699,282 km (0.118 R)
• M8: 1,882,988 km (0.115 R)
• M9: 2,113,818 km (0.089 R)
• M10: 2,290,044 km (0.057 R)
• M11: 2,572,485 km (0.069 R)
• M12: 2,773,395 km (0.077 R)
• M13: 3,463,340 km (0.111 R)
• M14: 4,399,524 km (0.064 R)
• M15: 5,757,872 km (0.057 R)
• M16: 6,642,445 km (0.077 R)
• M17: 7,020,329 km (0.106 R)
• M18: 8,765,238 km (0.083 R)
• M19: 10,727,813 km (0.118 R)
• M20: 11,089,840 km (0.087 R)
• M21: 11,947,784 km (0.067 R)
• M22: 17,327,173 km (0.094 R)
• M23: 20,067,657 km (0.052 R)
• M24: 22,491,142 km (0.103 R)
• M25: 23,512,746 km (0.077 R)
• M26: 25,374,492 km (0.041 R)
• M27: 27,812,488 km (0.099 R)
• M28: 29,387,903 km (0.062 R)
• M29: 29,790,770 km (0.105 R)
• M30: 32,822,970 km (0.117 R)
• M31: 33,039,438 km (0.063 R)
• M32: 35,825,100 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.2

Radius: 5.2

Gravity: 12.73 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.35 AU - 12.13 AU

Year: 19941 Days

Day: 19.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,372,447 km

• M1: 64,626 km (0.064 R)
• M2: 256,261 km (0.108 R)
• M3: 569,220 km (0.058 R)
• M4: 770,130 km (0.092 R)
• M5: 1,374,356 km (0.094 R)
• M6: 1,792,631 km (0.104 R)
• M7: 2,059,364 km (0.049 R)
• M8: 2,271,644 km (0.098 R)
• M9: 2,717,445 km (0.087 R)
• M10: 3,169,231 km (0.066 R)
• M11: 3,400,060 km (0.091 R)
• M12: 3,866,806 km (0.116 R)
• M13: 4,130,547 km (0.1 R)
• M14: 4,792,966 km (0.07 R)
• M15: 6,528,002 km (0.09 R)
• M16: 7,247,119 km (0.043 R)
• M17: 7,648,490 km (0.115 R)
• M18: 8,741,602 km (0.071 R)
• M19: 11,529,807 km (0.1 R)
• M20: 12,832,356 km (0.12 R)
• M21: 15,726,177 km (0.1 R)
• M22: 21,924,316 km (0.062 R)
• M23: 22,480,820 km (0.083 R)
• M24: 23,046,599 km (0.107 R)
• M25: 24,801,233 km (0.062 R)
• M26: 28,573,941 km (0.061 R)
• M27: 33,438,266 km (0.091 R)
• M28: 35,554,627 km (0.1 R)
• M29: 36,193,709 km (0.119 R)
• M30: 38,557,804 km (0.101 R)
• M31: 43,155,545 km (0.11 R)
• M32: 44,175,802 km (0.1 R)
• M33: 46,872,603 km (0.095 R)
• M34: 56,999,781 km (0.103 R)
• M35: 57,523,672 km (0.049 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: 287 - 19,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit