🌌 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 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.8

Radius: 8

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.51 AU - 0.55 AU

Year: 271 Days

Day: 10.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,020,591 km

• M1: 100,979 km (0.036 R)
• M2: 457,769 km (0.064 R)
• M3: 719,267 km (0.095 R)
• M4: 1,174,044 km (0.108 R)
• M5: 1,497,624 km (0.101 R)
• M6: 1,873,863 km (0.11 R)
• M7: 2,180,389 km (0.108 R)
• M8: 2,825,904 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.6

Radius: 8.7

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.5 AU - 0.7 AU

Year: 327 Days

Day: 7.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,020,591 km

• M1: 116,238 km (0.091 R)
• M2: 391,946 km (0.12 R)
• M3: 757,713 km (0.055 R)
• M4: 1,058,704 km (0.054 R)
• M5: 1,391,859 km (0.081 R)
• M6: 1,831,228 km (0.118 R)
• M7: 2,232,299 km (0.025 R)
• M8: 3,266,320 km (0.08 R)
• M9: 3,810,258 km (0.103 R)
• M10: 4,162,262 km (0.085 R)
• M11: 4,702,759 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.6

Radius: 13.6

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.65 AU - 0.67 AU

Year: 377 Days

Day: 7.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,020,591 km

• M1: 169,195 km (0.083 R)
• M2: 666,758 km (0.118 R)
• M3: 1,167,611 km (0.098 R)
• M4: 1,894,358 km (0.059 R)
• M5: 2,445,028 km (0.08 R)
• M6: 3,069,150 km (0.084 R)
• M7: 3,623,709 km (0.076 R)
• M8: 4,816,303 km (0.088 R)
• M9: 5,685,617 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.4

Radius: 13.5

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.02 AU - 2.06 AU

Year: 2048 Days

Day: 13.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,020,591 km

• M1: 167,849 km (0.046 R)
• M2: 931,845 km (0.089 R)
• M3: 1,355,656 km (0.037 R)
• M4: 2,001,171 km (0.086 R)
• M5: 2,474,648 km (0.118 R)
• M6: 3,899,717 km (0.059 R)
• M7: 4,329,961 km (0.097 R)
• M8: 5,816,066 km (0.074 R)
• M9: 7,477,650 km (0.045 R)
• M10: 9,636,646 km (0.098 R)
• M11: 10,500,125 km (0.114 R)
• M12: 11,376,918 km (0.083 R)
• M13: 12,066,115 km (0.062 R)
• M14: 12,987,190 km (0.103 R)
• M15: 13,570,322 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.1

Radius: 11.9

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.09 AU - 2.99 AU

Year: 2846 Days

Day: 12.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,020,591 km

• M1: 149,149 km (0.119 R)
• M2: 653,892 km (0.1 R)
• M3: 1,186,461 km (0.064 R)
• M4: 1,695,093 km (0.114 R)
• M5: 2,087,937 km (0.099 R)
• M6: 3,471,718 km (0.12 R)
• M7: 4,835,452 km (0.076 R)
• M8: 5,539,908 km (0.074 R)
• M9: 5,968,656 km (0.12 R)
• M10: 6,529,049 km (0.083 R)
• M11: 7,330,595 km (0.068 R)
• M12: 8,260,944 km (0.099 R)
• M13: 8,855,895 km (0.102 R)
• M14: 9,514,873 km (0.103 R)
• M15: 10,393,611 km (0.079 R)
• M16: 12,354,839 km (0.104 R)
• M17: 13,178,076 km (0.082 R)
• M18: 13,625,673 km (0.045 R)
• M19: 14,223,018 km (0.087 R)
• M20: 15,224,575 km (0.113 R)
• M21: 16,170,782 km (0.068 R)
• M22: 16,632,441 km (0.06 R)
• M23: 17,102,777 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.5

Radius: 8.7

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.65 AU - 4.57 AU

Year: 5857 Days

Day: 10.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,020,591 km

• M1: 115,340 km (0.08 R)
• M2: 536,009 km (0.098 R)
• M3: 1,128,716 km (0.049 R)
• M4: 1,434,195 km (0.083 R)
• M5: 2,476,294 km (0.105 R)
• M6: 3,157,113 km (0.094 R)
• M7: 3,596,034 km (0.03 R)
• M8: 4,195,323 km (0.094 R)
• M9: 4,519,202 km (0.097 R)
• M10: 5,133,301 km (0.097 R)
• M11: 6,204,572 km (0.113 R)
• M12: 6,963,182 km (0.087 R)
• M13: 7,454,163 km (0.117 R)
• M14: 7,745,131 km (0.111 R)
• M15: 8,195,719 km (0.119 R)
• M16: 8,505,686 km (0.084 R)
• M17: 10,715,995 km (0.044 R)
• M18: 15,755,199 km (0.097 R)
• M19: 16,174,821 km (0.062 R)
• M20: 16,601,773 km (0.034 R)
• M21: 17,734,528 km (0.087 R)
• M22: 18,123,333 km (0.102 R)
• M23: 19,324,006 km (0.116 R)
• M24: 22,936,495 km (0.098 R)
• M25: 24,739,897 km (0.103 R)
• M26: 25,062,879 km (0.104 R)
• M27: 26,467,304 km (0.035 R)
• M28: 31,182,180 km (0.097 R)
• M29: 31,748,857 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.8

Radius: 10.3

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.29 AU - 5.49 AU

Year: 6466 Days

Day: 10.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,020,591 km

• M1: 153,787 km (0.078 R)
• M2: 619,335 km (0.077 R)
• M3: 1,292,526 km (0.084 R)
• M4: 1,968,558 km (0.079 R)
• M5: 5,771,935 km (0.11 R)
• M6: 7,620,067 km (0.073 R)
• M7: 9,715,335 km (0.099 R)
• M8: 14,388,024 km (0.116 R)
• M9: 15,219,489 km (0.094 R)
• M10: 15,809,503 km (0.076 R)
• M11: 22,438,633 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.4

Radius: 11.7

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.27 AU - 4.65 AU

Year: 6621 Days

Day: 14.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,020,591 km

• M1: 145,559 km (0.09 R)
• M2: 593,604 km (0.05 R)
• M3: 1,255,725 km (0.099 R)
• M4: 2,415,557 km (0.12 R)
• M5: 2,870,334 km (0.108 R)
• M6: 5,243,256 km (0.11 R)
• M7: 5,631,761 km (0.081 R)
• M8: 6,180,038 km (0.111 R)
• M9: 9,323,388 km (0.108 R)
• M10: 11,154,017 km (0.117 R)
• M11: 12,745,439 km (0.061 R)
• M12: 13,740,864 km (0.076 R)
• M13: 14,183,225 km (0.088 R)
• M14: 15,673,219 km (0.067 R)
• M15: 16,047,962 km (0.104 R)
• M16: 17,321,788 km (0.036 R)
• M17: 20,767,775 km (0.117 R)
• M18: 21,811,818 km (0.089 R)
• M19: 22,685,470 km (0.068 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.4

Radius: 14.3

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.6 AU - 6.2 AU

Year: 8821 Days

Day: 13.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,020,591 km

• M1: 179,218 km (0.07 R)
• M2: 1,548,637 km (0.076 R)
• M3: 2,049,042 km (0.11 R)
• M4: 3,387,943 km (0.063 R)
• M5: 5,772,084 km (0.116 R)
• M6: 6,294,031 km (0.113 R)
• M7: 6,923,689 km (0.099 R)
• M8: 8,616,987 km (0.056 R)
• M9: 10,219,031 km (0.106 R)
• M10: 13,160,125 km (0.098 R)
• M11: 16,834,697 km (0.12 R)
• M12: 20,102,812 km (0.086 R)
• M13: 25,580,189 km (0.118 R)
• M14: 26,803,002 km (0.078 R)
• M15: 30,497,022 km (0.087 R)
• M16: 33,287,321 km (0.074 R)
• M17: 35,201,426 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.2

Radius: 5.7

Gravity: 21.74 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.47 AU - 10.51 AU

Year: 17389 Days

Day: 16.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,020,591 km

• M1: 70,909 km (0.073 R)
• M2: 267,032 km (0.089 R)
• M3: 589,565 km (0.065 R)
• M4: 775,815 km (0.082 R)
• M5: 2,257,282 km (0.112 R)
• M6: 4,447,694 km (0.079 R)
• M7: 4,649,203 km (0.079 R)
• M8: 8,554,904 km (0.076 R)
• M9: 9,133,100 km (0.038 R)
• M10: 9,404,470 km (0.046 R)
• M11: 9,681,077 km (0.09 R)
• M12: 10,250,745 km (0.105 R)
• M13: 13,931,751 km (0.117 R)
• M14: 18,666,822 km (0.081 R)
• M15: 21,583,682 km (0.104 R)
• M16: 21,871,807 km (0.088 R)
• M17: 22,065,237 km (0.091 R)
• M18: 23,960,941 km (0.075 R)
• M19: 29,463,001 km (0.062 R)
• M20: 30,055,559 km (0.091 R)
• M21: 31,633,367 km (0.076 R)
• M22: 32,380,010 km (0.096 R)
• M23: 32,757,595 km (0.098 R)
• M24: 36,696,956 km (0.11 R)
• M25: 37,382,862 km (0.032 R)
• M26: 39,491,743 km (0.07 R)
• M27: 40,940,898 km (0.113 R)
• M28: 41,827,265 km (0.101 R)
• M29: 42,125,414 km (0.12 R)
• M30: 48,065,347 km (0.119 R)
• M31: 48,886,340 km (0.112 R)
• M32: 56,699,239 km (0.119 R)
• M33: 61,571,940 km (0.062 R)
• M34: 64,705,118 km (0.103 R)
• M35: 66,716,462 km (0.087 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 15,865 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit