🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.4

Radius: 12

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.42 AU - 1.54 AU

Year: 1201 Days

Day: 14.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,816,751 km

• M1: 150,047 km (0.109 R)
• M2: 658,679 km (0.12 R)
• M3: 1,594,713 km (0.117 R)
• M4: 2,164,083 km (0.094 R)
• M5: 2,629,183 km (0.105 R)
• M6: 3,523,179 km (0.113 R)
• M7: 4,084,471 km (0.051 R)
• M8: 4,938,226 km (0.095 R)
• M9: 5,664,823 km (0.074 R)
• M10: 6,226,413 km (0.071 R)
• M11: 7,435,313 km (0.119 R)
• M12: 7,916,719 km (0.073 R)
• M13: 8,533,362 km (0.092 R)
• M14: 8,942,362 km (0.104 R)
• M15: 9,395,045 km (0.119 R)
• M16: 10,313,576 km (0.098 R)
• M17: 11,500,935 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.6

Radius: 8.3

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.2 AU - 1.78 AU

Year: 1213 Days

Day: 7.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,816,751 km

• M1: 103,223 km (0.113 R)
• M2: 493,823 km (0.118 R)
• M3: 811,568 km (0.095 R)
• M4: 1,194,689 km (0.093 R)
• M5: 1,826,889 km (0.092 R)
• M6: 2,120,849 km (0.107 R)
• M7: 2,566,501 km (0.068 R)
• M8: 2,924,040 km (0.026 R)
• M9: 4,166,151 km (0.079 R)
• M10: 4,462,504 km (0.052 R)
• M11: 4,943,013 km (0.094 R)
• M12: 5,685,766 km (0.098 R)
• M13: 6,734,298 km (0.106 R)
• M14: 8,444,351 km (0.064 R)
• M15: 9,296,760 km (0.075 R)
• M16: 9,926,716 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.5

Radius: 14.8

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.55 AU - 1.55 AU

Year: 1287 Days

Day: 14.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,816,751 km

• M1: 184,005 km (0.099 R)
• M2: 669,450 km (0.103 R)
• M3: 1,302,698 km (0.075 R)
• M4: 2,001,919 km (0.085 R)
• M5: 2,540,920 km (0.099 R)
• M6: 3,191,072 km (0.047 R)
• M7: 3,664,250 km (0.106 R)
• M8: 4,150,743 km (0.072 R)
• M9: 5,039,354 km (0.106 R)
• M10: 5,623,085 km (0.078 R)
• M11: 7,471,516 km (0.118 R)
• M12: 8,674,881 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.8

Radius: 11.5

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.63 AU - 1.99 AU

Year: 1624 Days

Day: 8 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,816,751 km

• M1: 143,165 km (0.114 R)
• M2: 558,150 km (0.098 R)
• M3: 1,814,024 km (0.097 R)
• M4: 3,795,448 km (0.087 R)
• M5: 4,348,960 km (0.092 R)
• M6: 5,907,770 km (0.112 R)
• M7: 8,708,840 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.6

Radius: 14.4

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.73 AU - 2.29 AU

Year: 1900 Days

Day: 6.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,816,751 km

• M1: 275,260 km (0.089 R)
• M2: 1,279,361 km (0.118 R)
• M3: 1,732,942 km (0.113 R)
• M4: 3,784,826 km (0.077 R)
• M5: 4,324,874 km (0.043 R)
• M6: 4,810,469 km (0.118 R)
• M7: 5,678,286 km (0.087 R)
• M8: 6,440,488 km (0.044 R)
• M9: 7,242,332 km (0.114 R)
• M10: 8,662,913 km (0.114 R)
• M11: 10,439,687 km (0.063 R)
• M12: 11,169,725 km (0.082 R)
• M13: 12,129,844 km (0.101 R)
• M14: 14,083,443 km (0.093 R)
• M15: 16,143,106 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.6

Radius: 9.4

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.08 AU - 2.36 AU

Year: 2206 Days

Day: 12.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,816,751 km

• M1: 116,836 km (0.119 R)
• M2: 596,596 km (0.108 R)
• M3: 973,284 km (0.094 R)
• M4: 1,460,973 km (0.038 R)
• M5: 1,872,068 km (0.11 R)
• M6: 2,480,333 km (0.089 R)
• M7: 4,030,167 km (0.053 R)
• M8: 5,043,842 km (0.119 R)
• M9: 5,385,823 km (0.119 R)
• M10: 7,306,210 km (0.112 R)
• M11: 7,745,131 km (0.099 R)
• M12: 8,740,256 km (0.117 R)
• M13: 9,370,212 km (0.084 R)
• M14: 9,923,874 km (0.091 R)
• M15: 11,211,014 km (0.106 R)
• M16: 11,835,136 km (0.118 R)
• M17: 12,318,337 km (0.103 R)
• M18: 14,520,119 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.8

Radius: 9.9

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.98 AU - 2.88 AU

Year: 2526 Days

Day: 11.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,816,751 km

• M1: 123,119 km (0.036 R)
• M2: 524,041 km (0.109 R)
• M3: 842,236 km (0.113 R)
• M4: 1,170,005 km (0.112 R)
• M5: 1,758,224 km (0.119 R)
• M6: 2,225,568 km (0.118 R)
• M7: 2,623,498 km (0.117 R)
• M8: 3,303,271 km (0.081 R)
• M9: 4,365,715 km (0.079 R)
• M10: 4,958,122 km (0.114 R)
• M11: 6,199,785 km (0.07 R)
• M12: 8,574,950 km (0.045 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.6

Radius: 8.8

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.29 AU - 3.65 AU

Year: 3413 Days

Day: 13.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 35,816,751 km

• M1: 109,655 km (0.091 R)
• M2: 459,565 km (0.059 R)
• M3: 733,478 km (0.079 R)
• M4: 1,011,282 km (0.086 R)
• M5: 1,444,966 km (0.106 R)
• M6: 1,804,300 km (0.1 R)
• M7: 2,123,093 km (0.119 R)
• M8: 2,463,727 km (0.047 R)
• M9: 3,351,740 km (0.04 R)
• M10: 3,711,822 km (0.078 R)
• M11: 4,346,117 km (0.113 R)
• M12: 4,725,946 km (0.107 R)
• M13: 5,258,216 km (0.09 R)
• M14: 5,717,780 km (0.094 R)
• M15: 6,842,307 km (0.091 R)
• M16: 7,193,862 km (0.106 R)
• M17: 7,591,045 km (0.067 R)
• M18: 7,933,175 km (0.078 R)
• M19: 8,871,004 km (0.064 R)
• M20: 12,128,049 km (0.115 R)
• M21: 14,853,872 km (0.035 R)
• M22: 15,773,001 km (0.118 R)
• M23: 18,266,199 km (0.109 R)
• M24: 20,089,049 km (0.111 R)
• M25: 22,098,897 km (0.103 R)
• M26: 22,727,208 km (0.096 R)
• M27: 23,946,281 km (0.04 R)
• M28: 24,757,999 km (0.047 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.9

Radius: 9.6

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.02 AU - 4.44 AU

Year: 5801 Days

Day: 12.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,816,751 km

• M1: 119,678 km (0.08 R)
• M2: 479,760 km (0.07 R)
• M3: 809,923 km (0.117 R)
• M4: 1,224,459 km (0.111 R)
• M5: 1,846,487 km (0.099 R)
• M6: 3,826,115 km (0.095 R)
• M7: 4,429,443 km (0.066 R)
• M8: 4,984,003 km (0.099 R)
• M9: 5,437,135 km (0.038 R)
• M10: 6,557,772 km (0.104 R)
• M11: 8,013,808 km (0.093 R)
• M12: 8,636,734 km (0.097 R)
• M13: 11,073,982 km (0.098 R)
• M14: 11,407,735 km (0.105 R)
• M15: 11,846,955 km (0.083 R)
• M16: 12,707,142 km (0.074 R)
• M17: 13,991,739 km (0.065 R)
• M18: 14,326,090 km (0.114 R)
• M19: 16,260,840 km (0.079 R)
• M20: 17,195,527 km (0.074 R)
• M21: 20,785,727 km (0.113 R)
• M22: 26,677,788 km (0.113 R)
• M23: 27,020,068 km (0.097 R)
• M24: 30,049,275 km (0.082 R)
• M25: 30,700,026 km (0.063 R)
• M26: 31,741,377 km (0.099 R)

Asteroid Belt

Center: 4.59 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.1

Radius: 10.1

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.55 AU - 5.33 AU

Year: 7322 Days

Day: 5.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,816,751 km

• M1: 125,812 km (0.091 R)
• M2: 451,486 km (0.12 R)
• M3: 926,011 km (0.108 R)
• M4: 1,419,983 km (0.104 R)
• M5: 1,875,509 km (0.108 R)
• M6: 2,639,804 km (0.075 R)
• M7: 4,023,584 km (0.058 R)
• M8: 4,722,206 km (0.095 R)
• M9: 5,379,240 km (0.114 R)
• M10: 7,605,855 km (0.109 R)
• M11: 8,590,658 km (0.083 R)
• M12: 9,658,338 km (0.118 R)
• M13: 11,647,690 km (0.057 R)
• M14: 15,979,446 km (0.098 R)
• M15: 17,589,418 km (0.112 R)
• M16: 18,883,440 km (0.119 R)
• M17: 24,282,726 km (0.096 R)
• M18: 30,341,440 km (0.078 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: 429 - 19,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit