🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.4

Radius: 12.7

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.94 AU - 1.38 AU

Year: 820 Days

Day: 10.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,224,441 km

• M1: 157,975 km (0.112 R)
• M2: 589,565 km (0.112 R)
• M3: 1,018,014 km (0.097 R)
• M4: 1,590,225 km (0.107 R)
• M5: 2,908,183 km (0.098 R)
• M6: 3,314,191 km (0.104 R)
• M7: 3,848,854 km (0.118 R)
• M8: 4,307,671 km (0.117 R)
• M9: 4,874,347 km (0.067 R)
• M10: 5,549,034 km (0.114 R)
• M11: 6,178,990 km (0.103 R)
• M12: 6,856,370 km (0.064 R)
• M13: 8,103,417 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.4

Radius: 10

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.28 AU - 1.88 AU

Year: 1303 Days

Day: 5.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,224,441 km

• M1: 124,465 km (0.08 R)
• M2: 639,381 km (0.044 R)
• M3: 956,080 km (0.052 R)
• M4: 2,649,229 km (0.106 R)
• M5: 3,104,904 km (0.109 R)
• M6: 3,427,138 km (0.093 R)
• M7: 4,243,942 km (0.107 R)
• M8: 4,870,159 km (0.104 R)
• M9: 5,246,248 km (0.09 R)
• M10: 6,875,518 km (0.078 R)
• M11: 7,452,368 km (0.112 R)
• M12: 8,088,458 km (0.087 R)
• M13: 8,419,967 km (0.043 R)
• M14: 9,228,693 km (0.119 R)
• M15: 9,744,506 km (0.072 R)
• M16: 10,440,435 km (0.073 R)
• M17: 11,000,530 km (0.092 R)
• M18: 11,650,233 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749

Radius: 10.9

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.22 AU - 1.96 AU

Year: 1315 Days

Day: 11.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,224,441 km

• M1: 135,536 km (0.097 R)
• M2: 476,768 km (0.088 R)
• M3: 828,922 km (0.056 R)
• M4: 1,489,696 km (0.074 R)
• M5: 1,943,127 km (0.114 R)
• M6: 2,678,251 km (0.07 R)
• M7: 3,280,083 km (0.085 R)
• M8: 4,038,993 km (0.075 R)
• M9: 6,247,955 km (0.117 R)
• M10: 7,179,202 km (0.044 R)
• M11: 7,518,340 km (0.088 R)
• M12: 7,977,905 km (0.108 R)
• M13: 8,370,450 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.3

Radius: 10.6

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.69 AU - 3.11 AU

Year: 3240 Days

Day: 13.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,224,441 km

• M1: 131,796 km (0.118 R)
• M2: 785,090 km (0.116 R)
• M3: 1,217,278 km (0.05 R)
• M4: 1,786,498 km (0.11 R)
• M5: 2,255,038 km (0.079 R)
• M6: 2,951,865 km (0.117 R)
• M7: 3,343,064 km (0.109 R)
• M8: 4,327,418 km (0.109 R)
• M9: 4,792,368 km (0.059 R)
• M10: 5,179,377 km (0.104 R)
• M11: 6,675,356 km (0.11 R)
• M12: 8,227,584 km (0.093 R)
• M13: 8,943,410 km (0.049 R)
• M14: 10,321,655 km (0.094 R)
• M15: 12,912,241 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.8

Radius: 5.1

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.65 AU - 7.29 AU

Year: 12071 Days

Day: 16.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 107.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,224,441 km

• M1: 63,429 km (0.098 R)
• M2: 232,475 km (0.079 R)
• M3: 441,463 km (0.099 R)
• M4: 633,996 km (0.106 R)
• M5: 1,099,096 km (0.074 R)
• M6: 1,286,542 km (0.077 R)
• M7: 2,308,894 km (0.092 R)
• M8: 2,619,010 km (0.029 R)
• M9: 2,938,252 km (0.096 R)
• M10: 3,464,986 km (0.111 R)
• M11: 3,916,622 km (0.113 R)
• M12: 6,030,889 km (0.062 R)
• M13: 6,429,268 km (0.057 R)
• M14: 9,519,062 km (0.103 R)
• M15: 10,531,391 km (0.105 R)
• M16: 12,277,796 km (0.051 R)
• M17: 12,917,028 km (0.052 R)
• M18: 13,423,716 km (0.098 R)
• M19: 14,102,142 km (0.037 R)
• M20: 17,044,882 km (0.107 R)
• M21: 24,185,039 km (0.111 R)
• M22: 26,621,689 km (0.111 R)
• M23: 27,441,186 km (0.091 R)
• M24: 27,940,993 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.3

Radius: 6.5

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.34 AU - 8.5 AU

Year: 16028 Days

Day: 20.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,224,441 km

• M1: 81,082 km (0.076 R)
• M2: 333,603 km (0.114 R)
• M3: 593,754 km (0.068 R)
• M4: 799,002 km (0.096 R)
• M5: 1,096,403 km (0.049 R)
• M6: 2,017,028 km (0.115 R)
• M7: 2,340,159 km (0.094 R)
• M8: 2,955,156 km (0.107 R)
• M9: 4,297,348 km (0.108 R)
• M10: 6,520,074 km (0.099 R)
• M11: 7,066,255 km (0.113 R)
• M12: 7,558,133 km (0.072 R)
• M13: 8,473,672 km (0.095 R)
• M14: 9,219,268 km (0.045 R)
• M15: 10,523,013 km (0.085 R)
• M16: 13,490,736 km (0.097 R)
• M17: 16,544,029 km (0.098 R)
• M18: 16,829,461 km (0.036 R)
• M19: 18,004,403 km (0.118 R)
• M20: 18,688,813 km (0.082 R)
• M21: 18,998,481 km (0.096 R)
• M22: 20,109,544 km (0.114 R)
• M23: 20,516,600 km (0.049 R)
• M24: 21,515,914 km (0.113 R)
• M25: 23,164,183 km (0.076 R)
• M26: 23,611,481 km (0.113 R)
• M27: 28,611,042 km (0.085 R)
• M28: 30,923,226 km (0.113 R)
• M29: 32,124,647 km (0.062 R)
• M30: 32,346,500 km (0.11 R)
• M31: 32,681,001 km (0.117 R)
• M32: 33,017,896 km (0.062 R)
• M33: 41,682,455 km (0.102 R)
• M34: 43,012,978 km (0.055 R)
• M35: 45,758,249 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911

Radius: 4.4

Gravity: 47.06 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.81 AU - 11.37 AU

Year: 19482 Days

Day: 24.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 82,224,441 km

• M1: 55,052 km (0.095 R)
• M2: 566,527 km (0.116 R)
• M3: 1,041,500 km (0.111 R)
• M4: 1,369,718 km (0.086 R)
• M5: 1,820,157 km (0.029 R)
• M6: 3,061,670 km (0.062 R)
• M7: 3,458,404 km (0.03 R)
• M8: 3,824,918 km (0.09 R)
• M9: 4,707,396 km (0.094 R)
• M10: 5,042,346 km (0.06 R)
• M11: 5,432,796 km (0.07 R)
• M12: 6,587,841 km (0.099 R)
• M13: 11,213,108 km (0.104 R)
• M14: 12,013,008 km (0.111 R)
• M15: 16,674,478 km (0.117 R)
• M16: 18,070,974 km (0.118 R)
• M17: 22,724,964 km (0.1 R)
• M18: 24,001,782 km (0.102 R)
• M19: 24,879,173 km (0.043 R)
• M20: 25,664,263 km (0.094 R)
• M21: 28,724,886 km (0.048 R)
• M22: 29,838,492 km (0.118 R)
• M23: 31,758,132 km (0.086 R)
• M24: 32,681,450 km (0.117 R)
• M25: 33,758,405 km (0.118 R)
• M26: 34,168,303 km (0.116 R)
• M27: 34,581,642 km (0.099 R)
• M28: 36,554,090 km (0.113 R)
• M29: 37,860,977 km (0.045 R)
• M30: 38,155,535 km (0.09 R)
• M31: 43,400,437 km (0.106 R)
• M32: 44,210,060 km (0.11 R)
• M33: 44,700,741 km (0.048 R)
• M34: 46,026,777 km (0.053 R)
• M35: 62,589,804 km (0.065 R)
• M36: 65,299,321 km (0.058 R)
• M37: 65,935,561 km (0.103 R)
• M38: 68,303,545 km (0.031 R)
• M39: 74,585,908 km (0.074 R)
• M40: 76,214,430 km (0.111 R)
• M41: 81,242,415 km (0.046 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 10,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit