🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.5

Radius: 9.5

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.73 AU - 0.85 AU

Year: 461 Days

Day: 10.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,636,838 km

• M1: 118,182 km (0.075 R)
• M2: 498,460 km (0.095 R)
• M3: 949,647 km (0.077 R)
• M4: 1,337,255 km (0.084 R)
• M5: 1,771,089 km (0.084 R)
• M6: 2,205,222 km (0.06 R)
• M7: 3,170,428 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.4

Radius: 8.2

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.74 AU - 1 AU

Year: 532 Days

Day: 13.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,636,838 km

• M1: 102,026 km (0.117 R)
• M2: 374,144 km (0.1 R)
• M3: 822,938 km (0.037 R)
• M4: 1,085,033 km (0.087 R)
• M5: 1,449,005 km (0.082 R)
• M6: 2,071,781 km (0.118 R)
• M7: 2,407,329 km (0.066 R)
• M8: 3,165,790 km (0.1 R)
• M9: 3,551,753 km (0.092 R)
• M10: 3,955,816 km (0.06 R)
• M11: 4,264,886 km (0.094 R)
• M12: 4,575,451 km (0.074 R)
• M13: 5,008,088 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.9

Radius: 9.8

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.92 AU - 0.92 AU

Year: 579 Days

Day: 6.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,636,838 km

• M1: 122,072 km (0.074 R)
• M2: 456,872 km (0.035 R)
• M3: 771,327 km (0.11 R)
• M4: 1,205,011 km (0.085 R)
• M5: 2,038,421 km (0.12 R)
• M6: 2,576,075 km (0.103 R)
• M7: 2,904,891 km (0.091 R)
• M8: 3,216,953 km (0.119 R)
• M9: 3,709,130 km (0.113 R)
• M10: 4,597,891 km (0.084 R)
• M11: 5,100,240 km (0.096 R)
• M12: 5,460,621 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.5

Radius: 14.4

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1 AU - 1.44 AU

Year: 884 Days

Day: 8.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,636,838 km

• M1: 180,116 km (0.042 R)
• M2: 634,893 km (0.086 R)
• M3: 1,193,342 km (0.112 R)
• M4: 1,777,821 km (0.101 R)
• M5: 2,226,465 km (0.077 R)
• M6: 2,812,590 km (0.027 R)
• M7: 3,374,180 km (0.115 R)
• M8: 3,855,586 km (0.094 R)
• M9: 4,726,096 km (0.052 R)
• M10: 5,351,265 km (0.061 R)
• M11: 6,881,502 km (0.047 R)
• M12: 7,347,799 km (0.041 R)
• M13: 8,714,076 km (0.116 R)
• M14: 9,514,574 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.9

Radius: 10

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1 AU - 1.58 AU

Year: 961 Days

Day: 14 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,636,838 km

• M1: 124,316 km (0.1 R)
• M2: 526,435 km (0.075 R)
• M3: 1,202,468 km (0.111 R)
• M4: 1,943,426 km (0.068 R)
• M5: 2,347,939 km (0.099 R)
• M6: 2,669,424 km (0.106 R)
• M7: 3,340,820 km (0.045 R)
• M8: 4,078,487 km (0.108 R)
• M9: 4,731,332 km (0.069 R)
• M10: 5,215,281 km (0.056 R)
• M11: 5,556,065 km (0.072 R)
• M12: 5,984,663 km (0.085 R)
• M13: 6,301,511 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.1

Radius: 9.9

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.19 AU - 2.93 AU

Year: 2687 Days

Day: 14.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,636,838 km

• M1: 123,119 km (0.059 R)
• M2: 505,940 km (0.043 R)
• M3: 1,793,230 km (0.087 R)
• M4: 2,823,809 km (0.118 R)
• M5: 4,156,876 km (0.095 R)
• M6: 5,891,314 km (0.079 R)
• M7: 7,194,311 km (0.107 R)
• M8: 8,941,166 km (0.068 R)
• M9: 10,820,564 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.2

Radius: 8.9

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.59 AU - 3.35 AU

Year: 3358 Days

Day: 14 Hours

Environment

Temp: -195 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,636,838 km

• M1: 110,852 km (0.095 R)
• M2: 494,271 km (0.068 R)
• M3: 847,771 km (0.109 R)
• M4: 1,580,352 km (0.091 R)
• M5: 1,912,010 km (0.113 R)
• M6: 2,467,168 km (0.072 R)
• M7: 3,308,058 km (0.088 R)
• M8: 3,614,135 km (0.097 R)
• M9: 4,173,930 km (0.101 R)
• M10: 4,695,428 km (0.094 R)
• M11: 6,823,159 km (0.045 R)
• M12: 7,258,189 km (0.096 R)
• M13: 7,777,743 km (0.12 R)
• M14: 8,674,881 km (0.105 R)
• M15: 9,001,005 km (0.107 R)
• M16: 9,335,206 km (0.067 R)
• M17: 10,756,087 km (0.047 R)
• M18: 11,132,774 km (0.091 R)
• M19: 12,452,377 km (0.104 R)
• M20: 13,677,883 km (0.08 R)
• M21: 14,269,842 km (0.078 R)
• M22: 15,085,449 km (0.115 R)
• M23: 15,878,168 km (0.074 R)
• M24: 16,698,264 km (0.075 R)
• M25: 19,947,978 km (0.113 R)
• M26: 21,555,707 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.3

Radius: 13.4

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.72 AU - 3.34 AU

Year: 3460 Days

Day: 6.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 124.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,636,838 km

• M1: 166,652 km (0.059 R)
• M2: 686,804 km (0.085 R)
• M3: 1,187,209 km (0.055 R)
• M4: 1,651,411 km (0.115 R)
• M5: 2,495,442 km (0.081 R)
• M6: 3,391,533 km (0.047 R)
• M7: 4,168,395 km (0.113 R)
• M8: 5,430,552 km (0.11 R)
• M9: 6,680,891 km (0.08 R)
• M10: 7,357,672 km (0.053 R)
• M11: 10,279,468 km (0.112 R)
• M12: 10,919,448 km (0.062 R)
• M13: 13,295,960 km (0.081 R)
• M14: 14,263,708 km (0.097 R)
• M15: 15,442,240 km (0.071 R)
• M16: 16,569,161 km (0.049 R)
• M17: 19,176,951 km (0.062 R)
• M18: 22,469,451 km (0.117 R)
• M19: 24,511,312 km (0.051 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.8

Radius: 8.8

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.19 AU - 3.93 AU

Year: 4406 Days

Day: 6.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 32,636,838 km

• M1: 109,655 km (0.11 R)
• M2: 440,865 km (0.104 R)
• M3: 908,358 km (0.113 R)
• M4: 1,412,952 km (0.068 R)
• M5: 2,154,359 km (0.11 R)
• M6: 2,725,524 km (0.11 R)
• M7: 3,232,511 km (0.116 R)
• M8: 3,647,346 km (0.045 R)
• M9: 3,981,697 km (0.117 R)
• M10: 5,274,522 km (0.042 R)
• M11: 6,342,052 km (0.081 R)
• M12: 6,695,402 km (0.112 R)
• M13: 7,441,596 km (0.066 R)
• M14: 8,624,467 km (0.098 R)
• M15: 9,758,419 km (0.118 R)
• M16: 10,988,861 km (0.103 R)
• M17: 11,311,993 km (0.085 R)
• M18: 12,123,262 km (0.084 R)
• M19: 13,386,017 km (0.111 R)
• M20: 14,130,267 km (0.084 R)
• M21: 14,958,141 km (0.098 R)
• M22: 15,759,537 km (0.029 R)
• M23: 16,111,541 km (0.04 R)
• M24: 16,409,091 km (0.1 R)
• M25: 17,698,475 km (0.04 R)
• M26: 19,253,396 km (0.064 R)
• M27: 20,132,732 km (0.085 R)
• M28: 20,967,937 km (0.103 R)
• M29: 22,931,259 km (0.1 R)
• M30: 23,232,101 km (0.077 R)
• M31: 24,776,549 km (0.072 R)

Planet 10 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.1

Radius: 13

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.1 AU - 4.18 AU

Year: 5526 Days

Day: 10.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 32,636,838 km

• M1: 161,715 km (0.032 R)
• M2: 874,549 km (0.114 R)
• M3: 1,393,504 km (0.029 R)
• M4: 2,073,277 km (0.072 R)
• M5: 2,853,280 km (0.091 R)
• M6: 3,686,241 km (0.057 R)
• M7: 4,649,352 km (0.061 R)
• M8: 6,630,028 km (0.119 R)
• M9: 8,398,574 km (0.111 R)
• M10: 8,957,173 km (0.084 R)
• M11: 9,711,894 km (0.104 R)
• M12: 10,508,652 km (0.094 R)
• M13: 11,932,824 km (0.09 R)
• M14: 12,537,199 km (0.094 R)
• M15: 13,215,027 km (0.097 R)
• M16: 14,530,292 km (0.113 R)
• M17: 15,572,839 km (0.08 R)
• M18: 15,991,414 km (0.119 R)
• M19: 17,102,627 km (0.063 R)
• M20: 17,548,429 km (0.087 R)
• M21: 18,002,009 km (0.071 R)
• M22: 18,529,940 km (0.101 R)
• M23: 19,068,193 km (0.112 R)
• M24: 23,443,632 km (0.054 R)
• M25: 29,344,969 km (0.107 R)
• M26: 30,354,306 km (0.106 R)
• M27: 32,152,173 km (0.057 R)
• M28: 32,636,870 km (0.116 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: 339 - 12,572 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit