🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.2

Radius: 11.8

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.73 AU - 0.89 AU

Year: 503 Days

Day: 6.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,330,791 km

• M1: 152,141 km (0.104 R)
• M2: 524,041 km (0.038 R)
• M3: 943,663 km (0.069 R)
• M4: 1,433,596 km (0.113 R)
• M5: 1,819,708 km (0.095 R)
• M6: 2,238,283 km (0.084 R)
• M7: 2,841,911 km (0.03 R)
• M8: 3,360,716 km (0.114 R)
• M9: 4,301,836 km (0.091 R)
• M10: 4,794,462 km (0.028 R)
• M11: 5,341,691 km (0.12 R)
• M12: 6,098,058 km (0.098 R)
• M13: 6,541,915 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.8

Radius: 11.4

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.6 AU - 1.78 AU

Year: 1516 Days

Day: 5.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,330,791 km

• M1: 143,913 km (0.12 R)
• M2: 671,844 km (0.102 R)
• M3: 1,035,965 km (0.118 R)
• M4: 1,619,098 km (0.044 R)
• M5: 2,014,036 km (0.113 R)
• M6: 3,050,899 km (0.075 R)
• M7: 3,634,480 km (0.093 R)
• M8: 4,680,618 km (0.117 R)
• M9: 5,730,945 km (0.043 R)
• M10: 6,642,445 km (0.096 R)
• M11: 7,470,020 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280

Radius: 8

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.37 AU - 2.01 AU

Year: 1516 Days

Day: 7.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,330,791 km

• M1: 104,569 km (0.062 R)
• M2: 364,570 km (0.091 R)
• M3: 653,443 km (0.04 R)
• M4: 1,113,158 km (0.074 R)
• M5: 1,404,874 km (0.077 R)
• M6: 1,694,345 km (0.072 R)
• M7: 2,406,731 km (0.079 R)
• M8: 2,737,641 km (0.106 R)
• M9: 3,791,708 km (0.053 R)
• M10: 4,241,399 km (0.115 R)
• M11: 4,496,613 km (0.102 R)
• M12: 5,403,026 km (0.117 R)
• M13: 7,353,035 km (0.068 R)
• M14: 9,937,039 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.6

Radius: 12.2

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.83 AU - 2.15 AU

Year: 1938 Days

Day: 13.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,330,791 km

• M1: 152,141 km (0.032 R)
• M2: 636,240 km (0.11 R)
• M3: 1,101,639 km (0.111 R)
• M4: 1,533,977 km (0.119 R)
• M5: 2,584,602 km (0.052 R)
• M6: 2,995,697 km (0.103 R)
• M7: 3,485,032 km (0.05 R)
• M8: 3,877,577 km (0.03 R)
• M9: 5,146,765 km (0.09 R)
• M10: 5,634,305 km (0.032 R)
• M11: 6,076,666 km (0.114 R)
• M12: 6,865,645 km (0.075 R)
• M13: 7,285,117 km (0.093 R)
• M14: 8,488,482 km (0.064 R)
• M15: 9,406,714 km (0.05 R)
• M16: 10,281,413 km (0.094 R)
• M17: 11,557,184 km (0.046 R)
• M18: 12,152,433 km (0.083 R)
• M19: 13,752,532 km (0.078 R)
• M20: 14,694,700 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905.1

Radius: 6.4

Gravity: 22.1 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.18 AU - 6.2 AU

Year: 9369 Days

Day: 15.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,330,791 km

• M1: 79,586 km (0.119 R)
• M2: 512,822 km (0.107 R)
• M3: 973,583 km (0.118 R)
• M4: 1,243,607 km (0.105 R)
• M5: 1,666,221 km (0.077 R)
• M6: 1,870,123 km (0.101 R)
• M7: 2,162,288 km (0.073 R)
• M8: 3,370,440 km (0.059 R)
• M9: 3,939,361 km (0.12 R)
• M10: 4,161,514 km (0.061 R)
• M11: 4,421,365 km (0.063 R)
• M12: 5,037,858 km (0.103 R)
• M13: 6,104,341 km (0.057 R)
• M14: 8,354,143 km (0.057 R)
• M15: 9,342,237 km (0.097 R)
• M16: 10,197,638 km (0.072 R)
• M17: 10,458,836 km (0.048 R)
• M18: 12,772,217 km (0.068 R)
• M19: 14,338,806 km (0.052 R)
• M20: 15,612,034 km (0.04 R)
• M21: 16,454,120 km (0.051 R)
• M22: 27,198,688 km (0.042 R)
• M23: 29,668,848 km (0.113 R)
• M24: 29,987,791 km (0.093 R)
• M25: 30,416,538 km (0.081 R)
• M26: 31,616,762 km (0.111 R)
• M27: 32,060,918 km (0.084 R)
• M28: 37,102,067 km (0.072 R)
• M29: 39,232,640 km (0.114 R)
• M30: 40,784,718 km (0.091 R)
• M31: 42,917,385 km (0.041 R)
• M32: 44,010,946 km (0.054 R)
• M33: 47,839,305 km (0.083 R)
• M34: 48,424,831 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36.5

Radius: 6.3

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.71 AU - 7.37 AU

Year: 11545 Days

Day: 16.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,330,791 km

• M1: 78,389 km (0.095 R)
• M2: 306,526 km (0.053 R)
• M3: 639,381 km (0.091 R)
• M4: 1,574,817 km (0.092 R)
• M5: 1,774,081 km (0.048 R)
• M6: 2,079,111 km (0.119 R)
• M7: 3,123,005 km (0.116 R)
• M8: 3,797,991 km (0.06 R)
• M9: 5,212,887 km (0.074 R)
• M10: 5,788,390 km (0.059 R)
• M11: 12,007,323 km (0.093 R)
• M12: 12,830,261 km (0.098 R)
• M13: 13,414,591 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.3

Radius: 4.6

Gravity: 38.81 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.03 AU - 8.63 AU

Year: 16595 Days

Day: 19.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,330,791 km

• M1: 57,595 km (0.089 R)
• M2: 283,787 km (0.091 R)
• M3: 508,782 km (0.032 R)
• M4: 727,195 km (0.105 R)
• M5: 1,508,246 km (0.079 R)
• M6: 1,708,258 km (0.081 R)
• M7: 2,141,045 km (0.098 R)
• M8: 2,307,697 km (0.112 R)
• M9: 2,505,465 km (0.059 R)
• M10: 3,728,577 km (0.117 R)
• M11: 4,001,593 km (0.108 R)
• M12: 4,519,651 km (0.083 R)
• M13: 4,690,492 km (0.045 R)
• M14: 5,767,297 km (0.114 R)
• M15: 6,384,388 km (0.115 R)
• M16: 7,135,818 km (0.111 R)
• M17: 7,414,669 km (0.072 R)
• M18: 8,345,616 km (0.079 R)
• M19: 15,616,821 km (0.087 R)
• M20: 17,469,142 km (0.116 R)
• M21: 18,318,409 km (0.107 R)
• M22: 20,007,070 km (0.058 R)
• M23: 25,261,096 km (0.041 R)
• M24: 25,799,499 km (0.09 R)
• M25: 27,011,242 km (0.113 R)
• M26: 30,507,643 km (0.074 R)
• M27: 33,513,065 km (0.099 R)
• M28: 36,985,082 km (0.115 R)
• M29: 41,877,231 km (0.057 R)
• M30: 46,376,537 km (0.064 R)
• M31: 52,222,672 km (0.115 R)
• M32: 53,095,875 km (0.084 R)
• M33: 53,978,801 km (0.118 R)
• M34: 58,353,791 km (0.059 R)
• M35: 64,346,682 km (0.104 R)
• M36: 65,350,035 km (0.103 R)
• M37: 70,100,665 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463

Radius: 6.1

Gravity: 12.44 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.92 AU - 10.52 AU

Year: 17774 Days

Day: 21 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,330,791 km

• M1: 75,846 km (0.093 R)
• M2: 384,167 km (0.074 R)
• M3: 606,919 km (0.107 R)
• M4: 835,803 km (0.1 R)
• M5: 1,563,896 km (0.098 R)
• M6: 1,757,027 km (0.098 R)
• M7: 2,002,667 km (0.114 R)
• M8: 2,498,883 km (0.06 R)
• M9: 2,696,502 km (0.107 R)
• M10: 3,024,570 km (0.089 R)
• M11: 4,050,961 km (0.085 R)
• M12: 4,909,204 km (0.12 R)
• M13: 6,476,391 km (0.081 R)
• M14: 7,022,274 km (0.05 R)
• M15: 7,828,157 km (0.074 R)
• M16: 13,863,384 km (0.115 R)
• M17: 14,415,700 km (0.117 R)
• M18: 14,697,392 km (0.061 R)
• M19: 19,035,581 km (0.109 R)
• M20: 21,311,862 km (0.067 R)
• M21: 22,421,280 km (0.09 R)
• M22: 22,894,757 km (0.115 R)
• M23: 28,330,097 km (0.03 R)
• M24: 30,011,427 km (0.081 R)
• M25: 30,586,332 km (0.089 R)
• M26: 36,876,623 km (0.096 R)
• M27: 38,607,620 km (0.06 R)
• M28: 46,685,456 km (0.108 R)
• M29: 54,618,183 km (0.092 R)
• M30: 56,864,095 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.3

Radius: 8

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.16 AU - 11.48 AU

Year: 19640 Days

Day: 21.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,330,791 km

• M1: 99,483 km (0.07 R)
• M2: 681,568 km (0.073 R)
• M3: 1,585,737 km (0.083 R)
• M4: 1,919,490 km (0.064 R)
• M5: 2,474,498 km (0.11 R)
• M6: 3,780,189 km (0.077 R)
• M7: 4,446,946 km (0.081 R)
• M8: 6,095,365 km (0.086 R)
• M9: 6,477,139 km (0.098 R)
• M10: 6,829,741 km (0.08 R)
• M11: 7,621,563 km (0.062 R)
• M12: 7,965,039 km (0.117 R)
• M13: 8,577,643 km (0.112 R)
• M14: 9,057,403 km (0.09 R)
• M15: 9,724,759 km (0.108 R)
• M16: 10,665,131 km (0.119 R)
• M17: 12,657,476 km (0.07 R)
• M18: 13,420,425 km (0.1 R)
• M19: 17,701,617 km (0.085 R)
• M20: 20,195,862 km (0.118 R)
• M21: 20,476,209 km (0.092 R)
• M22: 28,949,282 km (0.11 R)
• M23: 31,382,641 km (0.086 R)
• M24: 32,906,296 km (0.079 R)
• M25: 33,817,646 km (0.116 R)
• M26: 44,031,291 km (0.03 R)
• M27: 44,503,123 km (0.04 R)
• M28: 49,747,725 km (0.11 R)
• M29: 63,023,489 km (0.095 R)
• M30: 67,506,638 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 776.7

Radius: 4.2

Gravity: 44.03 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.27 AU - 12.07 AU

Year: 20756 Days

Day: 18.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,330,791 km

• M1: 52,808 km (0.11 R)
• M2: 189,241 km (0.041 R)
• M3: 444,605 km (0.119 R)
• M4: 837,748 km (0.075 R)
• M5: 1,652,009 km (0.111 R)
• M6: 2,034,531 km (0.04 R)
• M7: 4,202,653 km (0.089 R)
• M8: 5,861,544 km (0.095 R)
• M9: 9,440,074 km (0.072 R)
• M10: 9,673,298 km (0.072 R)
• M11: 16,241,093 km (0.106 R)
• M12: 19,611,234 km (0.075 R)
• M13: 24,388,492 km (0.099 R)
• M14: 31,411,813 km (0.06 R)
• M15: 32,457,053 km (0.116 R)
• M16: 33,256,055 km (0.119 R)
• M17: 44,376,563 km (0.103 R)
• M18: 53,022,572 km (0.087 R)
• M19: 58,713,723 km (0.118 R)
• M20: 69,299,269 km (0.057 R)
• M21: 78,439,699 km (0.106 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 17,575 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit