🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.4

Radius: 12.7

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.58 AU - 0.72 AU

Year: 355 Days

Day: 6.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,648,078 km

• M1: 157,975 km (0.107 R)
• M2: 859,589 km (0.078 R)
• M3: 1,377,497 km (0.07 R)
• M4: 1,934,899 km (0.1 R)
• M5: 2,479,136 km (0.058 R)
• M6: 3,059,576 km (0.109 R)
• M7: 3,487,874 km (0.093 R)
• M8: 4,495,266 km (0.073 R)
• M9: 5,175,039 km (0.089 R)
• M10: 5,572,670 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.9

Radius: 13.9

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.67 AU - 0.83 AU

Year: 441 Days

Day: 13.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,648,078 km

• M1: 172,935 km (0.111 R)
• M2: 752,926 km (0.055 R)
• M3: 1,304,194 km (0.119 R)
• M4: 1,813,725 km (0.059 R)
• M5: 2,282,714 km (0.11 R)
• M6: 2,781,922 km (0.053 R)
• M7: 3,226,676 km (0.101 R)
• M8: 3,719,302 km (0.083 R)
• M9: 4,220,904 km (0.101 R)
• M10: 4,965,453 km (0.103 R)
• M11: 5,951,901 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.2

Radius: 9.3

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.45 AU - 1.49 AU

Year: 1209 Days

Day: 13.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,648,078 km

• M1: 117,434 km (0.057 R)
• M2: 533,167 km (0.104 R)
• M3: 897,587 km (0.111 R)
• M4: 1,326,185 km (0.09 R)
• M5: 1,688,062 km (0.101 R)
• M6: 2,062,506 km (0.028 R)
• M7: 2,420,494 km (0.094 R)
• M8: 2,819,770 km (0.114 R)
• M9: 3,425,342 km (0.047 R)
• M10: 3,735,459 km (0.08 R)
• M11: 4,201,307 km (0.09 R)
• M12: 5,310,126 km (0.12 R)
• M13: 5,684,569 km (0.117 R)
• M14: 6,745,817 km (0.089 R)
• M15: 7,185,635 km (0.086 R)
• M16: 7,566,511 km (0.113 R)
• M17: 8,676,976 km (0.084 R)

Asteroid Belt

Center: 4.62 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154

Radius: 7.6

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.3 AU - 8.24 AU

Year: 14690 Days

Day: 16.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,648,078 km

• M1: 94,845 km (0.071 R)
• M2: 381,774 km (0.085 R)
• M3: 747,241 km (0.113 R)
• M4: 1,314,068 km (0.087 R)
• M5: 1,951,654 km (0.11 R)
• M6: 2,760,380 km (0.083 R)
• M7: 3,495,205 km (0.096 R)
• M8: 3,871,892 km (0.083 R)
• M9: 4,197,716 km (0.091 R)
• M10: 5,107,571 km (0.092 R)
• M11: 6,243,467 km (0.115 R)
• M12: 6,906,634 km (0.069 R)
• M13: 7,968,480 km (0.05 R)
• M14: 8,833,455 km (0.108 R)
• M15: 9,266,691 km (0.117 R)
• M16: 10,797,675 km (0.112 R)
• M17: 13,597,848 km (0.066 R)
• M18: 14,175,745 km (0.093 R)
• M19: 16,007,571 km (0.119 R)
• M20: 19,114,419 km (0.096 R)
• M21: 21,810,023 km (0.119 R)
• M22: 24,157,812 km (0.066 R)
• M23: 25,435,976 km (0.101 R)
• M24: 25,959,719 km (0.111 R)
• M25: 30,803,698 km (0.099 R)
• M26: 33,646,057 km (0.116 R)
• M27: 36,658,659 km (0.089 R)
• M28: 37,663,957 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.7

Radius: 8

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.87 AU - 10.84 AU

Year: 20967 Days

Day: 21.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 177.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,648,078 km

• M1: 99,632 km (0.062 R)
• M2: 512,223 km (0.066 R)
• M3: 1,597,556 km (0.118 R)
• M4: 2,791,347 km (0.112 R)
• M5: 5,545,743 km (0.086 R)
• M6: 6,149,071 km (0.085 R)
• M7: 8,175,075 km (0.1 R)
• M8: 9,893,057 km (0.111 R)
• M9: 10,274,531 km (0.053 R)
• M10: 11,899,763 km (0.076 R)
• M11: 12,646,106 km (0.111 R)
• M12: 19,865,101 km (0.074 R)
• M13: 21,362,277 km (0.067 R)
• M14: 23,989,963 km (0.091 R)
• M15: 28,982,942 km (0.093 R)
• M16: 29,316,096 km (0.112 R)
• M17: 33,639,475 km (0.113 R)
• M18: 34,876,948 km (0.115 R)
• M19: 41,102,015 km (0.053 R)
• M20: 42,946,258 km (0.11 R)
• M21: 44,401,845 km (0.089 R)
• M22: 48,339,859 km (0.109 R)
• M23: 50,233,469 km (0.064 R)
• M24: 54,000,194 km (0.101 R)
• M25: 58,480,052 km (0.052 R)
• M26: 59,548,031 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.6

Radius: 3.8

Gravity: 17.22 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.77 AU - 9.99 AU

Year: 21063 Days

Day: 20.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,648,078 km

• M1: 48,320 km (0.081 R)
• M2: 179,368 km (0.103 R)
• M3: 695,181 km (0.103 R)
• M4: 967,150 km (0.118 R)
• M5: 1,240,316 km (0.079 R)
• M6: 2,064,600 km (0.071 R)
• M7: 2,495,442 km (0.067 R)
• M8: 3,748,623 km (0.108 R)
• M9: 4,326,071 km (0.102 R)
• M10: 5,196,581 km (0.055 R)
• M11: 5,987,505 km (0.045 R)
• M12: 6,938,349 km (0.108 R)
• M13: 8,788,426 km (0.083 R)
• M14: 9,540,155 km (0.073 R)
• M15: 9,905,174 km (0.081 R)
• M16: 10,279,468 km (0.066 R)
• M17: 12,293,803 km (0.116 R)
• M18: 14,556,322 km (0.058 R)
• M19: 15,039,972 km (0.099 R)
• M20: 15,180,145 km (0.073 R)
• M21: 15,391,826 km (0.117 R)
• M22: 17,775,369 km (0.052 R)
• M23: 18,487,604 km (0.111 R)
• M24: 23,634,070 km (0.096 R)
• M25: 27,305,052 km (0.098 R)
• M26: 30,323,040 km (0.095 R)
• M27: 35,255,431 km (0.103 R)
• M28: 40,968,574 km (0.065 R)
• M29: 47,268,589 km (0.113 R)
• M30: 48,785,212 km (0.11 R)
• M31: 49,555,641 km (0.083 R)
• M32: 50,177,669 km (0.073 R)
• M33: 53,203,884 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411.5

Radius: 3.5

Gravity: 33.59 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 9.2 AU - 10.98 AU

Year: 21738 Days

Day: 19.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,648,078 km

• M1: 45,777 km (0.088 R)
• M2: 195,973 km (0.064 R)
• M3: 439,070 km (0.046 R)
• M4: 765,792 km (0.113 R)
• M5: 2,266,109 km (0.093 R)
• M6: 2,503,221 km (0.12 R)
• M7: 4,255,461 km (0.088 R)
• M8: 8,675,330 km (0.087 R)
• M9: 9,200,568 km (0.097 R)
• M10: 11,144,593 km (0.07 R)
• M11: 15,137,958 km (0.105 R)
• M12: 16,130,390 km (0.063 R)
• M13: 20,443,297 km (0.113 R)
• M14: 26,212,988 km (0.117 R)
• M15: 27,751,901 km (0.101 R)
• M16: 47,859,201 km (0.035 R)
• M17: 52,173,305 km (0.101 R)
• M18: 57,829,899 km (0.111 R)
• M19: 60,616,459 km (0.107 R)
• M20: 65,656,411 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.6

Radius: 4.5

Gravity: 23.24 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 8.01 AU - 12.93 AU

Year: 22978 Days

Day: 16 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,648,078 km

• M1: 76,145 km (0.089 R)
• M2: 477,965 km (0.08 R)
• M3: 680,670 km (0.058 R)
• M4: 1,124,976 km (0.098 R)
• M5: 1,394,701 km (0.064 R)
• M6: 2,582,209 km (0.1 R)
• M7: 2,999,737 km (0.081 R)
• M8: 3,664,101 km (0.079 R)
• M9: 5,785,398 km (0.078 R)
• M10: 6,851,882 km (0.073 R)
• M11: 7,745,430 km (0.099 R)
• M12: 8,451,681 km (0.117 R)
• M13: 8,927,702 km (0.097 R)
• M14: 11,388,437 km (0.082 R)
• M15: 15,636,119 km (0.043 R)
• M16: 18,810,137 km (0.105 R)
• M17: 19,257,435 km (0.116 R)
• M18: 19,803,317 km (0.114 R)
• M19: 19,987,622 km (0.047 R)
• M20: 28,100,314 km (0.118 R)
• M21: 29,877,238 km (0.102 R)
• M22: 33,522,489 km (0.098 R)
• M23: 34,179,523 km (0.084 R)
• M24: 34,577,902 km (0.102 R)
• M25: 36,477,646 km (0.106 R)
• M26: 36,754,701 km (0.051 R)
• M27: 37,876,535 km (0.098 R)
• M28: 38,446,054 km (0.084 R)
• M29: 42,592,907 km (0.112 R)
• M30: 47,520,811 km (0.056 R)
• M31: 50,721,607 km (0.102 R)
• M32: 51,761,462 km (0.071 R)
• M33: 55,512,778 km (0.093 R)
• M34: 58,869,156 km (0.107 R)
• M35: 59,633,002 km (0.037 R)
• M36: 71,678,922 km (0.064 R)
• M37: 73,207,364 km (0.045 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 17,344 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit