🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.3

Radius: 10.6

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.53 AU - 0.67 AU

Year: 327 Days

Day: 7.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,256,402 km

• M1: 131,796 km (0.047 R)
• M2: 484,248 km (0.085 R)
• M3: 889,060 km (0.074 R)
• M4: 1,253,032 km (0.052 R)
• M5: 1,606,083 km (0.118 R)
• M6: 2,095,567 km (0.113 R)
• M7: 2,692,313 km (0.101 R)
• M8: 3,071,843 km (0.113 R)
• M9: 4,237,958 km (0.053 R)
• M10: 4,645,163 km (0.031 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.5

Radius: 13.7

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.7 AU - 1.04 AU

Year: 570 Days

Day: 9.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 139.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,256,402 km

• M1: 170,691 km (0.112 R)
• M2: 645,365 km (0.032 R)
• M3: 1,200,822 km (0.083 R)
• M4: 1,631,514 km (0.094 R)
• M5: 2,076,269 km (0.115 R)
• M6: 2,612,876 km (0.051 R)
• M7: 3,097,274 km (0.109 R)
• M8: 4,236,612 km (0.082 R)
• M9: 4,746,740 km (0.118 R)
• M10: 5,539,908 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777

Radius: 8.4

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.05 AU - 2.27 AU

Year: 2231 Days

Day: 14 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,256,402 km

• M1: 104,419 km (0.094 R)
• M2: 649,255 km (0.085 R)
• M3: 993,629 km (0.053 R)
• M4: 1,346,381 km (0.104 R)
• M5: 2,376,512 km (0.043 R)
• M6: 4,764,543 km (0.055 R)
• M7: 5,482,164 km (0.038 R)
• M8: 6,137,851 km (0.074 R)
• M9: 6,677,002 km (0.114 R)
• M10: 7,072,987 km (0.106 R)
• M11: 7,819,032 km (0.09 R)
• M12: 8,163,556 km (0.058 R)
• M13: 8,815,803 km (0.069 R)
• M14: 10,636,109 km (0.084 R)
• M15: 11,654,721 km (0.105 R)
• M16: 12,354,989 km (0.114 R)
• M17: 12,736,912 km (0.115 R)
• M18: 14,624,239 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.9

Radius: 9.5

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.21 AU - 2.99 AU

Year: 2947 Days

Day: 5.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,256,402 km

• M1: 121,922 km (0.069 R)
• M2: 491,728 km (0.092 R)
• M3: 852,109 km (0.039 R)
• M4: 1,187,059 km (0.047 R)
• M5: 1,667,119 km (0.108 R)
• M6: 2,284,808 km (0.061 R)
• M7: 3,537,242 km (0.107 R)
• M8: 3,886,104 km (0.089 R)
• M9: 7,511,010 km (0.115 R)
• M10: 8,492,372 km (0.071 R)
• M11: 9,306,184 km (0.057 R)
• M12: 9,780,260 km (0.028 R)
• M13: 10,270,343 km (0.085 R)
• M14: 12,893,092 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.9

Radius: 10.7

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.01 AU - 3.25 AU

Year: 2998 Days

Day: 9.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,256,402 km

• M1: 132,993 km (0.088 R)
• M2: 523,593 km (0.064 R)
• M3: 936,931 km (0.067 R)
• M4: 1,386,623 km (0.119 R)
• M5: 2,215,844 km (0.116 R)
• M6: 2,592,830 km (0.088 R)
• M7: 2,995,847 km (0.119 R)
• M8: 4,053,055 km (0.096 R)
• M9: 4,530,871 km (0.097 R)
• M10: 6,027,448 km (0.055 R)
• M11: 7,009,707 km (0.1 R)
• M12: 7,443,840 km (0.088 R)
• M13: 9,034,515 km (0.054 R)
• M14: 9,928,960 km (0.086 R)
• M15: 11,212,061 km (0.037 R)
• M16: 11,549,554 km (0.084 R)
• M17: 12,557,544 km (0.075 R)
• M18: 13,245,994 km (0.062 R)
• M19: 13,671,001 km (0.04 R)
• M20: 18,907,226 km (0.116 R)
• M21: 19,446,526 km (0.092 R)
• M22: 20,807,867 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.7

Radius: 9.1

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.46 AU - 3.82 AU

Year: 3911 Days

Day: 7.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,256,402 km

• M1: 116,686 km (0.119 R)
• M2: 549,024 km (0.104 R)
• M3: 1,278,613 km (0.047 R)
• M4: 1,786,797 km (0.065 R)
• M5: 2,972,360 km (0.116 R)
• M6: 7,724,636 km (0.06 R)
• M7: 9,689,604 km (0.078 R)
• M8: 15,262,424 km (0.061 R)
• M9: 19,641,901 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984

Radius: 11.9

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.46 AU - 4.98 AU

Year: 6094 Days

Day: 14.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,256,402 km

• M1: 148,251 km (0.09 R)
• M2: 560,394 km (0.077 R)
• M3: 1,590,824 km (0.106 R)
• M4: 2,093,622 km (0.083 R)
• M5: 2,516,535 km (0.102 R)
• M6: 4,988,640 km (0.099 R)
• M7: 6,212,052 km (0.119 R)
• M8: 6,948,821 km (0.039 R)
• M9: 7,357,522 km (0.106 R)
• M10: 10,252,092 km (0.065 R)
• M11: 11,080,265 km (0.103 R)
• M12: 11,743,134 km (0.114 R)
• M13: 12,432,331 km (0.086 R)
• M14: 13,204,406 km (0.113 R)
• M15: 13,833,315 km (0.066 R)
• M16: 15,904,198 km (0.11 R)
• M17: 16,682,107 km (0.094 R)
• M18: 18,243,909 km (0.084 R)
• M19: 21,111,700 km (0.072 R)
• M20: 27,632,671 km (0.101 R)
• M21: 30,302,993 km (0.104 R)
• M22: 31,096,610 km (0.102 R)
• M23: 32,107,892 km (0.069 R)
• M24: 35,164,775 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392

Radius: 13.7

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.6 AU - 4.8 AU

Year: 7162 Days

Day: 5.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,256,402 km

• M1: 170,392 km (0.112 R)
• M2: 683,513 km (0.099 R)
• M3: 1,238,222 km (0.111 R)
• M4: 2,183,082 km (0.106 R)
• M5: 2,962,636 km (0.093 R)
• M6: 3,696,563 km (0.099 R)
• M7: 4,941,367 km (0.118 R)
• M8: 6,481,627 km (0.076 R)
• M9: 7,014,644 km (0.101 R)
• M10: 7,758,744 km (0.075 R)
• M11: 9,700,524 km (0.061 R)
• M12: 11,085,501 km (0.105 R)
• M13: 12,547,671 km (0.116 R)
• M14: 14,300,808 km (0.106 R)
• M15: 14,749,303 km (0.098 R)
• M16: 16,393,832 km (0.119 R)
• M17: 20,678,315 km (0.114 R)
• M18: 23,039,568 km (0.104 R)
• M19: 28,644,851 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 17.8

Radius: 5.4

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.27 AU - 8.17 AU

Year: 12245 Days

Day: 23.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,256,402 km

• M1: 67,169 km (0.113 R)
• M2: 326,123 km (0.044 R)
• M3: 976,276 km (0.115 R)
• M4: 1,318,256 km (0.063 R)
• M5: 1,736,532 km (0.1 R)
• M6: 1,971,102 km (0.089 R)
• M7: 7,955,316 km (0.035 R)
• M8: 12,181,755 km (0.037 R)
• M9: 16,201,449 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.2

Radius: 6.6

Gravity: 19.66 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.05 AU - 8.61 AU

Year: 16900 Days

Day: 23.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,256,402 km

• M1: 82,129 km (0.091 R)
• M2: 314,455 km (0.11 R)
• M3: 871,856 km (0.117 R)
• M4: 1,603,839 km (0.102 R)
• M5: 2,262,069 km (0.093 R)
• M6: 2,784,166 km (0.066 R)
• M7: 4,356,290 km (0.086 R)
• M8: 6,022,511 km (0.111 R)
• M9: 6,486,863 km (0.089 R)
• M10: 8,481,900 km (0.083 R)
• M11: 9,119,486 km (0.119 R)
• M12: 10,018,869 km (0.097 R)
• M13: 10,371,022 km (0.116 R)
• M14: 10,610,229 km (0.107 R)
• M15: 12,190,132 km (0.104 R)
• M16: 13,633,452 km (0.108 R)
• M17: 15,730,216 km (0.107 R)
• M18: 19,084,948 km (0.03 R)
• M19: 23,912,023 km (0.12 R)
• M20: 25,073,501 km (0.116 R)
• M21: 25,288,622 km (0.085 R)
• M22: 26,271,929 km (0.082 R)
• M23: 27,967,172 km (0.115 R)
• M24: 28,548,061 km (0.12 R)
• M25: 34,540,652 km (0.074 R)
• M26: 36,023,018 km (0.097 R)
• M27: 36,849,247 km (0.044 R)
• M28: 37,127,499 km (0.081 R)
• M29: 37,688,042 km (0.12 R)
• M30: 41,771,166 km (0.112 R)
• M31: 42,989,791 km (0.109 R)
• M32: 47,770,789 km (0.062 R)
• M33: 53,961,448 km (0.069 R)
• M34: 55,954,540 km (0.059 R)
• M35: 57,434,512 km (0.08 R)
• M36: 60,665,677 km (0.074 R)
• M37: 65,227,514 km (0.107 R)
• M38: 69,587,544 km (0.026 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 11,024 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit