🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.3

Radius: 10.2

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.83 AU - 0.99 AU

Year: 569 Days

Day: 7.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,250,044 km

• M1: 126,859 km (0.097 R)
• M2: 493,075 km (0.04 R)
• M3: 1,177,335 km (0.115 R)
• M4: 1,819,858 km (0.097 R)
• M5: 2,167,224 km (0.099 R)
• M6: 2,490,505 km (0.113 R)
• M7: 3,529,911 km (0.092 R)
• M8: 3,876,380 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.5

Radius: 12

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.25 AU - 1.45 AU

Year: 1029 Days

Day: 9.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,250,044 km

• M1: 149,299 km (0.049 R)
• M2: 532,419 km (0.044 R)
• M3: 965,953 km (0.099 R)
• M4: 1,877,304 km (0.077 R)
• M5: 2,930,473 km (0.113 R)
• M6: 3,460,648 km (0.111 R)
• M7: 4,054,252 km (0.11 R)
• M8: 4,526,233 km (0.1 R)
• M9: 5,719,276 km (0.094 R)
• M10: 6,230,303 km (0.115 R)
• M11: 7,111,434 km (0.118 R)
• M12: 7,486,326 km (0.118 R)
• M13: 8,276,203 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.2

Radius: 11.3

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.02 AU - 2.96 AU

Year: 2578 Days

Day: 14.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,250,044 km

• M1: 142,417 km (0.102 R)
• M2: 542,292 km (0.091 R)
• M3: 949,348 km (0.079 R)
• M4: 1,359,994 km (0.048 R)
• M5: 1,732,942 km (0.069 R)
• M6: 2,596,271 km (0.084 R)
• M7: 4,490,330 km (0.053 R)
• M8: 6,741,628 km (0.104 R)
• M9: 7,363,506 km (0.089 R)
• M10: 7,964,291 km (0.114 R)
• M11: 8,535,755 km (0.12 R)
• M12: 9,134,446 km (0.047 R)
• M13: 10,136,602 km (0.12 R)
• M14: 11,210,565 km (0.101 R)
• M15: 11,967,680 km (0.074 R)
• M16: 12,758,604 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.8

Radius: 8.5

Gravity: 12.4 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.72 AU - 5.38 AU

Year: 6367 Days

Day: 6.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,250,044 km

• M1: 109,954 km (0.072 R)
• M2: 424,559 km (0.114 R)
• M3: 732,282 km (0.095 R)
• M4: 1,225,057 km (0.08 R)
• M5: 2,018,075 km (0.103 R)
• M6: 2,870,783 km (0.047 R)
• M7: 4,357,636 km (0.059 R)
• M8: 6,163,881 km (0.101 R)
• M9: 7,270,457 km (0.117 R)
• M10: 9,370,811 km (0.038 R)
• M11: 9,825,588 km (0.053 R)
• M12: 11,689,578 km (0.119 R)
• M13: 13,719,770 km (0.061 R)
• M14: 14,011,037 km (0.061 R)
• M15: 14,485,711 km (0.096 R)
• M16: 16,557,941 km (0.117 R)
• M17: 18,891,967 km (0.108 R)
• M18: 20,971,976 km (0.113 R)
• M19: 23,282,665 km (0.105 R)
• M20: 24,456,559 km (0.098 R)
• M21: 29,452,230 km (0.094 R)
• M22: 31,729,110 km (0.111 R)
• M23: 32,136,615 km (0.059 R)
• M24: 35,963,777 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 321

Radius: 3.5

Gravity: 26.2 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 7.15 AU - 8.25 AU

Year: 14017 Days

Day: 24.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,250,044 km

• M1: 44,131 km (0.054 R)
• M2: 388,954 km (0.112 R)
• M3: 771,476 km (0.099 R)
• M4: 1,215,333 km (0.051 R)
• M5: 1,702,573 km (0.11 R)
• M6: 2,180,987 km (0.07 R)
• M7: 3,301,625 km (0.078 R)
• M8: 3,851,846 km (0.049 R)
• M9: 5,797,217 km (0.101 R)
• M10: 9,418,233 km (0.103 R)
• M11: 15,083,056 km (0.09 R)
• M12: 22,407,517 km (0.112 R)
• M13: 25,263,041 km (0.051 R)
• M14: 40,492,553 km (0.085 R)
• M15: 43,890,669 km (0.113 R)
• M16: 45,109,892 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.3

Radius: 4.5

Gravity: 35.72 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.26 AU - 9.22 AU

Year: 16950 Days

Day: 15.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,250,044 km

• M1: 55,950 km (0.085 R)
• M2: 285,283 km (0.042 R)
• M3: 495,019 km (0.076 R)
• M4: 1,965,716 km (0.032 R)
• M5: 3,345,008 km (0.115 R)
• M6: 5,119,688 km (0.049 R)
• M7: 5,340,943 km (0.1 R)
• M8: 7,393,127 km (0.08 R)
• M9: 7,771,759 km (0.079 R)
• M10: 8,363,718 km (0.066 R)
• M11: 12,694,427 km (0.061 R)
• M12: 13,099,837 km (0.098 R)
• M13: 13,724,258 km (0.054 R)
• M14: 14,882,744 km (0.034 R)
• M15: 16,262,336 km (0.076 R)
• M16: 19,628,886 km (0.082 R)
• M17: 19,898,611 km (0.07 R)
• M18: 24,350,644 km (0.089 R)
• M19: 25,081,429 km (0.087 R)
• M20: 26,368,270 km (0.109 R)
• M21: 33,852,203 km (0.067 R)
• M22: 35,554,776 km (0.068 R)
• M23: 37,866,213 km (0.061 R)
• M24: 38,705,307 km (0.084 R)
• M25: 39,987,212 km (0.099 R)
• M26: 41,444,445 km (0.074 R)
• M27: 47,627,773 km (0.091 R)
• M28: 48,933,912 km (0.091 R)
• M29: 49,595,883 km (0.104 R)
• M30: 50,263,837 km (0.096 R)
• M31: 51,447,157 km (0.039 R)
• M32: 54,045,223 km (0.087 R)
• M33: 54,397,975 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301

Radius: 3

Gravity: 33.44 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 10.21 AU - 10.27 AU

Year: 21496 Days

Day: 15.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,250,044 km

• M1: 37,250 km (0.112 R)
• M2: 263,143 km (0.077 R)
• M3: 737,518 km (0.069 R)
• M4: 1,426,864 km (0.093 R)
• M5: 1,532,032 km (0.074 R)
• M6: 3,445,239 km (0.084 R)
• M7: 6,787,704 km (0.07 R)
• M8: 7,350,043 km (0.109 R)
• M9: 9,965,313 km (0.119 R)
• M10: 14,989,407 km (0.044 R)
• M11: 15,938,756 km (0.055 R)
• M12: 16,163,452 km (0.065 R)
• M13: 36,506,368 km (0.093 R)
• M14: 41,234,259 km (0.077 R)
• M15: 45,899,319 km (0.072 R)
• M16: 46,353,947 km (0.118 R)
• M17: 52,045,099 km (0.07 R)
• M18: 54,378,527 km (0.108 R)
• M19: 55,742,710 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.2

Radius: 4.9

Gravity: 21.21 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 8.58 AU - 12.94 AU

Year: 23154 Days

Day: 21.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,250,044 km

• M1: 61,036 km (0.112 R)
• M2: 332,855 km (0.088 R)
• M3: 1,395,599 km (0.039 R)
• M4: 2,323,105 km (0.064 R)
• M5: 2,915,662 km (0.095 R)
• M6: 3,261,084 km (0.082 R)
• M7: 3,545,021 km (0.082 R)
• M8: 4,394,288 km (0.111 R)
• M9: 4,599,985 km (0.093 R)
• M10: 6,354,469 km (0.105 R)
• M11: 6,842,906 km (0.06 R)
• M12: 7,260,882 km (0.076 R)
• M13: 10,193,001 km (0.09 R)
• M14: 10,372,518 km (0.062 R)
• M15: 11,174,811 km (0.113 R)
• M16: 12,557,096 km (0.104 R)
• M17: 12,763,541 km (0.066 R)
• M18: 14,876,611 km (0.102 R)
• M19: 18,510,642 km (0.116 R)
• M20: 20,247,773 km (0.102 R)
• M21: 21,301,690 km (0.115 R)
• M22: 26,106,324 km (0.103 R)
• M23: 28,640,064 km (0.116 R)
• M24: 39,378,199 km (0.104 R)
• M25: 45,067,256 km (0.038 R)
• M26: 45,228,223 km (0.074 R)
• M27: 46,529,575 km (0.091 R)
• M28: 54,682,061 km (0.11 R)
• M29: 57,282,521 km (0.087 R)
• M30: 61,139,004 km (0.103 R)
• M31: 64,142,331 km (0.102 R)
• M32: 69,578,418 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206

Radius: 4

Gravity: 12.88 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 9.54 AU - 12.38 AU

Year: 23803 Days

Day: 15.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,250,044 km

• M1: 62,083 km (0.11 R)
• M2: 330,761 km (0.117 R)
• M3: 535,411 km (0.08 R)
• M4: 911,649 km (0.102 R)
• M5: 2,124,140 km (0.099 R)
• M6: 2,357,962 km (0.102 R)
• M7: 2,523,267 km (0.045 R)
• M8: 2,831,289 km (0.12 R)
• M9: 3,114,628 km (0.115 R)
• M10: 3,548,312 km (0.049 R)
• M11: 4,725,647 km (0.082 R)
• M12: 6,026,401 km (0.092 R)
• M13: 6,375,712 km (0.046 R)
• M14: 6,738,187 km (0.09 R)
• M15: 9,934,495 km (0.07 R)
• M16: 10,257,328 km (0.089 R)
• M17: 12,842,528 km (0.105 R)
• M18: 14,765,011 km (0.105 R)
• M19: 15,044,459 km (0.045 R)
• M20: 16,494,661 km (0.042 R)
• M21: 22,947,865 km (0.092 R)
• M22: 23,322,757 km (0.069 R)
• M23: 25,457,818 km (0.071 R)
• M24: 27,403,637 km (0.08 R)
• M25: 28,466,530 km (0.099 R)
• M26: 34,930,504 km (0.115 R)
• M27: 36,559,476 km (0.071 R)
• M28: 38,369,460 km (0.101 R)
• M29: 40,238,386 km (0.027 R)
• M30: 43,725,214 km (0.068 R)
• M31: 46,356,640 km (0.116 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 13,555 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit