🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.5

Radius: 11.4

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.5 AU - 0.52 AU

Year: 247 Days

Day: 6.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,682,064 km

• M1: 141,819 km (0.111 R)
• M2: 560,094 km (0.034 R)
• M3: 990,039 km (0.115 R)
• M4: 1,419,534 km (0.112 R)
• M5: 1,880,296 km (0.093 R)
• M6: 2,561,564 km (0.09 R)
• M7: 3,009,610 km (0.104 R)
• M8: 4,200,110 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.4

Radius: 13.4

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.45 AU - 0.73 AU

Year: 307 Days

Day: 15 Hours

Environment

Temp: -155 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 67,682,064 km

• M1: 166,652 km (0.117 R)
• M2: 597,195 km (0.096 R)
• M3: 1,155,793 km (0.056 R)
• M4: 1,644,978 km (0.1 R)
• M5: 3,899,119 km (0.084 R)
• M6: 4,445,151 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.8

Radius: 13.4

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.98 AU - 1.36 AU

Year: 858 Days

Day: 11.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,682,064 km

• M1: 183,257 km (0.053 R)
• M2: 695,630 km (0.11 R)
• M3: 2,355,568 km (0.054 R)
• M4: 2,938,701 km (0.114 R)
• M5: 3,617,277 km (0.096 R)
• M6: 4,181,709 km (0.095 R)
• M7: 4,771,125 km (0.083 R)
• M8: 6,501,075 km (0.05 R)
• M9: 7,890,390 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.8

Radius: 11.1

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.7 AU - 1.92 AU

Year: 1652 Days

Day: 5 Hours

Environment

Temp: -201 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,682,064 km

• M1: 138,079 km (0.118 R)
• M2: 494,122 km (0.071 R)
• M3: 1,021,305 km (0.043 R)
• M4: 1,921,136 km (0.118 R)
• M5: 4,973,980 km (0.103 R)
• M6: 6,527,553 km (0.109 R)
• M7: 7,148,085 km (0.115 R)
• M8: 7,660,757 km (0.116 R)
• M9: 9,116,195 km (0.038 R)
• M10: 10,969,563 km (0.091 R)
• M11: 12,044,274 km (0.108 R)
• M12: 13,020,251 km (0.038 R)
• M13: 15,454,657 km (0.107 R)
• M14: 16,071,748 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.7

Radius: 13.7

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.78 AU - 1.86 AU

Year: 1665 Days

Day: 7.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,682,064 km

• M1: 170,691 km (0.079 R)
• M2: 608,415 km (0.104 R)
• M3: 1,175,989 km (0.057 R)
• M4: 1,782,608 km (0.102 R)
• M5: 2,373,520 km (0.047 R)
• M6: 2,988,666 km (0.105 R)
• M7: 3,556,091 km (0.105 R)
• M8: 5,657,642 km (0.088 R)
• M9: 6,255,285 km (0.113 R)
• M10: 7,162,746 km (0.109 R)
• M11: 8,008,872 km (0.088 R)
• M12: 8,609,208 km (0.034 R)
• M13: 9,336,702 km (0.066 R)
• M14: 11,540,877 km (0.106 R)
• M15: 13,231,932 km (0.079 R)
• M16: 13,944,317 km (0.063 R)
• M17: 14,993,297 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.8

Radius: 13.9

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.19 AU - 3.51 AU

Year: 3263 Days

Day: 6 Hours

Environment

Temp: -220 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,682,064 km

• M1: 172,935 km (0.106 R)
• M2: 703,858 km (0.11 R)
• M3: 1,157,140 km (0.063 R)
• M4: 1,689,259 km (0.095 R)
• M5: 2,457,145 km (0.066 R)
• M6: 3,143,201 km (0.051 R)
• M7: 3,714,814 km (0.064 R)
• M8: 5,700,427 km (0.106 R)
• M9: 6,760,328 km (0.084 R)
• M10: 7,463,438 km (0.048 R)
• M11: 8,114,039 km (0.098 R)
• M12: 9,417,485 km (0.081 R)
• M13: 10,573,428 km (0.025 R)
• M14: 11,353,132 km (0.102 R)
• M15: 12,571,756 km (0.12 R)
• M16: 13,400,229 km (0.114 R)
• M17: 14,511,293 km (0.101 R)
• M18: 16,971,878 km (0.089 R)
• M19: 19,036,030 km (0.111 R)
• M20: 19,638,012 km (0.089 R)
• M21: 20,690,582 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371

Radius: 12.2

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.54 AU - 3.78 AU

Year: 4749 Days

Day: 10.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,682,064 km

• M1: 154,086 km (0.032 R)
• M2: 616,792 km (0.114 R)
• M3: 1,072,318 km (0.088 R)
• M4: 1,927,718 km (0.102 R)
• M5: 2,620,955 km (0.057 R)
• M6: 5,230,690 km (0.038 R)
• M7: 6,641,547 km (0.083 R)
• M8: 7,451,919 km (0.1 R)
• M9: 8,084,867 km (0.111 R)
• M10: 9,382,629 km (0.111 R)
• M11: 10,241,321 km (0.048 R)
• M12: 10,689,965 km (0.093 R)
• M13: 11,758,692 km (0.117 R)
• M14: 12,617,683 km (0.084 R)
• M15: 13,469,493 km (0.082 R)
• M16: 14,108,276 km (0.08 R)
• M17: 14,715,643 km (0.087 R)
• M18: 15,340,514 km (0.07 R)
• M19: 17,784,195 km (0.119 R)
• M20: 18,733,842 km (0.108 R)
• M21: 22,189,852 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.4

Radius: 11.9

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.75 AU - 5.51 AU

Year: 7881 Days

Day: 7.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,682,064 km

• M1: 147,952 km (0.053 R)
• M2: 803,341 km (0.113 R)
• M3: 1,284,597 km (0.11 R)
• M4: 1,821,803 km (0.114 R)
• M5: 2,676,156 km (0.119 R)
• M6: 3,375,975 km (0.086 R)
• M7: 5,195,384 km (0.075 R)
• M8: 5,826,687 km (0.101 R)
• M9: 6,223,571 km (0.085 R)
• M10: 7,208,673 km (0.025 R)
• M11: 7,921,357 km (0.102 R)
• M12: 8,798,449 km (0.11 R)
• M13: 9,240,361 km (0.11 R)
• M14: 9,654,747 km (0.089 R)
• M15: 12,063,123 km (0.1 R)
• M16: 15,532,448 km (0.118 R)
• M17: 18,162,827 km (0.099 R)
• M18: 19,685,434 km (0.117 R)
• M19: 21,651,749 km (0.087 R)
• M20: 22,682,628 km (0.092 R)
• M21: 23,286,105 km (0.082 R)
• M22: 23,900,354 km (0.096 R)
• M23: 29,924,960 km (0.086 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.2

Radius: 9

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.29 AU - 6.79 AU

Year: 8844 Days

Day: 8.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,682,064 km

• M1: 112,049 km (0.102 R)
• M2: 392,096 km (0.114 R)
• M3: 977,772 km (0.095 R)
• M4: 1,585,887 km (0.105 R)
• M5: 3,891,639 km (0.093 R)
• M6: 4,461,906 km (0.115 R)
• M7: 4,902,472 km (0.094 R)
• M8: 5,404,073 km (0.087 R)
• M9: 7,677,812 km (0.114 R)
• M10: 9,071,316 km (0.072 R)
• M11: 17,682,917 km (0.102 R)
• M12: 17,972,987 km (0.064 R)
• M13: 18,562,553 km (0.071 R)
• M14: 21,788,481 km (0.084 R)
• M15: 22,290,083 km (0.046 R)
• M16: 26,112,159 km (0.099 R)
• M17: 29,427,696 km (0.11 R)
• M18: 31,716,394 km (0.071 R)
• M19: 32,904,201 km (0.094 R)
• M20: 36,762,779 km (0.119 R)
• M21: 38,800,751 km (0.053 R)

Asteroid Belt

Center: 7.21 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.7

Radius: 4

Gravity: 37.54 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 8.05 AU - 9.69 AU

Year: 17917 Days

Day: 22.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,682,064 km

• M1: 49,816 km (0.113 R)
• M2: 235,317 km (0.038 R)
• M3: 1,044,343 km (0.088 R)
• M4: 1,648,569 km (0.03 R)
• M5: 2,084,198 km (0.112 R)
• M6: 3,790,212 km (0.058 R)
• M7: 5,315,212 km (0.058 R)
• M8: 5,969,553 km (0.083 R)
• M9: 9,074,158 km (0.072 R)
• M10: 12,378,027 km (0.045 R)
• M11: 14,440,234 km (0.076 R)
• M12: 15,400,951 km (0.094 R)
• M13: 15,704,934 km (0.1 R)
• M14: 15,858,421 km (0.085 R)
• M15: 17,945,910 km (0.069 R)
• M16: 23,748,213 km (0.037 R)
• M17: 29,272,414 km (0.12 R)
• M18: 32,516,593 km (0.1 R)
• M19: 34,807,535 km (0.106 R)
• M20: 43,519,517 km (0.104 R)
• M21: 45,358,074 km (0.117 R)
• M22: 45,982,346 km (0.078 R)
• M23: 59,141,573 km (0.066 R)
• M24: 60,637,552 km (0.117 R)
• M25: 61,394,966 km (0.085 R)
• M26: 64,881,045 km (0.043 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: 371 - 15,574 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit