🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717

Radius: 10.2

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.89 AU - 1.15 AU

Year: 655 Days

Day: 9.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 96,220,901 km

• M1: 126,859 km (0.095 R)
• M2: 480,957 km (0.066 R)
• M3: 909,256 km (0.106 R)
• M4: 1,278,763 km (0.061 R)
• M5: 1,637,199 km (0.112 R)
• M6: 2,017,477 km (0.113 R)
• M7: 2,488,112 km (0.049 R)
• M8: 3,007,067 km (0.083 R)
• M9: 3,357,275 km (0.057 R)
• M10: 4,066,070 km (0.114 R)
• M11: 4,496,014 km (0.097 R)
• M12: 5,162,922 km (0.098 R)
• M13: 6,446,471 km (0.117 R)
• M14: 6,798,176 km (0.118 R)
• M15: 7,768,767 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.1

Radius: 10.8

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.39 AU - 2.11 AU

Year: 1472 Days

Day: 7.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 96,220,901 km

• M1: 134,339 km (0.071 R)
• M2: 510,727 km (0.094 R)
• M3: 926,460 km (0.078 R)
• M4: 1,292,526 km (0.105 R)
• M5: 1,783,506 km (0.026 R)
• M6: 2,342,254 km (0.102 R)
• M7: 3,014,846 km (0.101 R)
• M8: 4,012,065 km (0.085 R)
• M9: 4,367,211 km (0.116 R)
• M10: 5,272,876 km (0.119 R)
• M11: 5,943,075 km (0.11 R)
• M12: 6,449,763 km (0.086 R)
• M13: 8,324,224 km (0.111 R)
• M14: 8,717,367 km (0.113 R)
• M15: 9,598,050 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.4

Radius: 13.3

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.17 AU - 3.01 AU

Year: 2650 Days

Day: 10.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 96,220,901 km

• M1: 165,455 km (0.106 R)
• M2: 778,807 km (0.084 R)
• M3: 1,574,518 km (0.086 R)
• M4: 3,385,549 km (0.052 R)
• M5: 4,047,819 km (0.117 R)
• M6: 5,915,848 km (0.052 R)
• M7: 6,996,692 km (0.116 R)
• M8: 7,631,137 km (0.085 R)
• M9: 9,015,366 km (0.072 R)
• M10: 9,657,440 km (0.119 R)
• M11: 12,105,609 km (0.105 R)
• M12: 12,887,857 km (0.038 R)
• M13: 14,313,823 km (0.106 R)
• M14: 15,387,936 km (0.043 R)
• M15: 16,620,174 km (0.102 R)
• M16: 17,045,331 km (0.034 R)
• M17: 17,641,628 km (0.104 R)
• M18: 19,339,115 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.1

Radius: 11.9

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.89 AU - 3.43 AU

Year: 3572 Days

Day: 14.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 96,220,901 km

• M1: 147,952 km (0.102 R)
• M2: 610,060 km (0.098 R)
• M3: 1,011,880 km (0.025 R)
• M4: 1,393,355 km (0.084 R)
• M5: 1,963,472 km (0.118 R)
• M6: 2,509,205 km (0.114 R)
• M7: 2,904,742 km (0.087 R)
• M8: 3,865,609 km (0.097 R)
• M9: 4,305,128 km (0.11 R)
• M10: 5,717,182 km (0.119 R)
• M11: 7,059,374 km (0.114 R)
• M12: 7,617,673 km (0.091 R)
• M13: 9,010,429 km (0.119 R)
• M14: 10,608,583 km (0.114 R)
• M15: 11,386,343 km (0.074 R)
• M16: 11,789,210 km (0.078 R)
• M17: 13,201,713 km (0.07 R)
• M18: 14,410,613 km (0.082 R)
• M19: 15,310,594 km (0.068 R)
• M20: 17,222,604 km (0.11 R)
• M21: 18,912,761 km (0.077 R)
• M22: 21,312,461 km (0.064 R)
• M23: 21,856,847 km (0.119 R)
• M24: 23,401,894 km (0.102 R)
• M25: 24,719,253 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.1

Radius: 8.2

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.21 AU - 4.39 AU

Year: 5669 Days

Day: 11.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 96,220,901 km

• M1: 111,450 km (0.119 R)
• M2: 593,006 km (0.118 R)
• M3: 1,112,859 km (0.098 R)
• M4: 1,546,244 km (0.113 R)
• M5: 2,304,555 km (0.113 R)
• M6: 2,620,655 km (0.094 R)
• M7: 3,190,474 km (0.106 R)
• M8: 3,478,749 km (0.089 R)
• M9: 6,751,950 km (0.113 R)
• M10: 8,538,149 km (0.064 R)
• M11: 8,863,823 km (0.066 R)
• M12: 10,957,146 km (0.116 R)
• M13: 11,577,379 km (0.043 R)
• M14: 13,015,314 km (0.102 R)
• M15: 13,316,604 km (0.091 R)
• M16: 14,707,415 km (0.083 R)
• M17: 14,987,313 km (0.091 R)
• M18: 15,461,838 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.6

Radius: 9

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.38 AU - 6.06 AU

Year: 8698 Days

Day: 12 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 96,220,901 km

• M1: 111,899 km (0.109 R)
• M2: 470,186 km (0.11 R)
• M3: 1,088,773 km (0.117 R)
• M4: 1,560,455 km (0.104 R)
• M5: 1,874,910 km (0.051 R)
• M6: 2,391,023 km (0.1 R)
• M7: 3,805,321 km (0.081 R)
• M8: 4,409,547 km (0.055 R)
• M9: 6,148,323 km (0.026 R)
• M10: 6,573,480 km (0.083 R)
• M11: 6,905,139 km (0.039 R)
• M12: 7,247,867 km (0.085 R)
• M13: 8,175,823 km (0.114 R)
• M14: 8,822,235 km (0.11 R)
• M15: 10,763,716 km (0.071 R)
• M16: 11,487,471 km (0.083 R)
• M17: 15,730,665 km (0.112 R)
• M18: 16,059,331 km (0.094 R)
• M19: 18,127,971 km (0.119 R)
• M20: 19,151,669 km (0.106 R)
• M21: 20,680,260 km (0.105 R)
• M22: 21,635,442 km (0.081 R)
• M23: 25,843,182 km (0.042 R)
• M24: 27,044,901 km (0.054 R)
• M25: 29,064,024 km (0.092 R)
• M26: 30,770,636 km (0.075 R)
• M27: 31,700,686 km (0.104 R)
• M28: 32,436,858 km (0.119 R)
• M29: 33,834,251 km (0.082 R)
• M30: 35,496,134 km (0.072 R)
• M31: 38,742,557 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59

Radius: 5.9

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.17 AU - 7.25 AU

Year: 12309 Days

Day: 22.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 96,220,901 km

• M1: 203,304 km (0.073 R)
• M2: 4,376,037 km (0.072 R)
• M3: 6,134,560 km (0.116 R)
• M4: 9,935,842 km (0.092 R)
• M5: 10,968,217 km (0.069 R)
• M6: 15,925,591 km (0.119 R)
• M7: 17,277,208 km (0.119 R)
• M8: 19,195,950 km (0.119 R)
• M9: 20,529,765 km (0.057 R)
• M10: 21,519,355 km (0.111 R)
• M11: 23,238,832 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.5

Radius: 3

Gravity: 32.06 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 8.05 AU - 11.61 AU

Year: 19596 Days

Day: 23.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 96,220,901 km

• M1: 37,399 km (0.104 R)
• M2: 263,292 km (0.063 R)
• M3: 565,480 km (0.089 R)
• M4: 864,227 km (0.058 R)
• M5: 1,311,674 km (0.118 R)
• M6: 1,480,720 km (0.11 R)
• M7: 1,586,037 km (0.099 R)
• M8: 1,744,910 km (0.08 R)
• M9: 2,151,217 km (0.117 R)
• M10: 2,427,375 km (0.089 R)
• M11: 2,839,368 km (0.116 R)
• M12: 3,912,433 km (0.086 R)
• M13: 4,323,229 km (0.052 R)
• M14: 5,229,493 km (0.071 R)
• M15: 8,940,268 km (0.076 R)
• M16: 13,764,500 km (0.087 R)
• M17: 16,055,591 km (0.075 R)
• M18: 23,948,076 km (0.092 R)
• M19: 30,029,080 km (0.119 R)
• M20: 33,961,559 km (0.082 R)
• M21: 34,203,010 km (0.098 R)
• M22: 41,300,083 km (0.116 R)
• M23: 49,009,459 km (0.1 R)
• M24: 53,934,969 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 514.6

Radius: 5.6

Gravity: 16.41 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 8.84 AU - 11.26 AU

Year: 20257 Days

Day: 20.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 96,220,901 km

• M1: 75,547 km (0.096 R)
• M2: 252,820 km (0.103 R)
• M3: 906,563 km (0.069 R)
• M4: 1,238,820 km (0.089 R)
• M5: 1,951,355 km (0.034 R)
• M6: 2,808,850 km (0.12 R)
• M7: 3,083,362 km (0.078 R)
• M8: 3,294,145 km (0.083 R)
• M9: 4,768,133 km (0.059 R)
• M10: 6,853,078 km (0.03 R)
• M11: 7,167,533 km (0.06 R)
• M12: 7,681,103 km (0.061 R)
• M13: 8,625,215 km (0.075 R)
• M14: 9,812,424 km (0.118 R)
• M15: 10,445,073 km (0.097 R)
• M16: 12,243,239 km (0.053 R)
• M17: 12,908,202 km (0.1 R)
• M18: 13,667,261 km (0.079 R)
• M19: 15,502,528 km (0.113 R)
• M20: 17,413,043 km (0.114 R)
• M21: 18,510,642 km (0.085 R)
• M22: 19,297,228 km (0.117 R)
• M23: 21,313,209 km (0.115 R)
• M24: 22,864,539 km (0.078 R)
• M25: 24,698,160 km (0.037 R)
• M26: 29,236,211 km (0.099 R)
• M27: 35,885,836 km (0.072 R)
• M28: 36,424,987 km (0.084 R)
• M29: 49,034,741 km (0.075 R)
• M30: 51,555,316 km (0.098 R)
• M31: 57,035,684 km (0.09 R)
• M32: 67,896,490 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.6

Radius: 4.9

Gravity: 38.63 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 8.85 AU - 13.93 AU

Year: 24441 Days

Day: 23.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 96,220,901 km

• M1: 61,036 km (0.104 R)
• M2: 282,142 km (0.11 R)
• M3: 469,737 km (0.079 R)
• M4: 631,153 km (0.087 R)
• M5: 1,373,757 km (0.047 R)
• M6: 1,911,861 km (0.089 R)
• M7: 2,735,995 km (0.09 R)
• M8: 2,953,511 km (0.074 R)
• M9: 3,807,116 km (0.119 R)
• M10: 6,448,865 km (0.074 R)
• M11: 6,640,051 km (0.103 R)
• M12: 8,707,194 km (0.028 R)
• M13: 9,729,247 km (0.068 R)
• M14: 10,108,478 km (0.09 R)
• M15: 11,167,481 km (0.117 R)
• M16: 11,794,745 km (0.091 R)
• M17: 13,272,173 km (0.113 R)
• M18: 14,296,021 km (0.067 R)
• M19: 14,785,954 km (0.099 R)
• M20: 16,146,996 km (0.043 R)
• M21: 19,312,337 km (0.071 R)
• M22: 22,647,472 km (0.107 R)
• M23: 32,621,611 km (0.117 R)
• M24: 47,291,776 km (0.101 R)
• M25: 47,651,859 km (0.113 R)
• M26: 48,195,348 km (0.109 R)
• M27: 53,080,466 km (0.117 R)
• M28: 54,252,865 km (0.048 R)
• M29: 72,524,300 km (0.114 R)
• M30: 95,358,021 km (0.089 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: 221 - 15,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit