🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.2

Radius: 8.7

Gravity: 13.04 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.47 AU - 0.57 AU

Year: 254 Days

Day: 11 Hours

Environment

Temp: -149 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,909,421 km

• M1: 108,159 km (0.113 R)
• M2: 407,654 km (0.119 R)
• M3: 722,109 km (0.082 R)
• M4: 1,023,997 km (0.1 R)
• M5: 1,318,556 km (0.087 R)
• M6: 1,604,288 km (0.093 R)
• M7: 1,969,306 km (0.101 R)
• M8: 2,557,226 km (0.097 R)
• M9: 2,829,045 km (0.056 R)
• M10: 3,589,451 km (0.105 R)
• M11: 4,129,948 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.3

Radius: 9.8

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.81 AU - 0.95 AU

Year: 560 Days

Day: 10.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,909,421 km

• M1: 123,418 km (0.07 R)
• M2: 701,315 km (0.107 R)
• M3: 1,032,973 km (0.074 R)
• M4: 1,529,189 km (0.119 R)
• M5: 1,850,526 km (0.085 R)
• M6: 2,547,502 km (0.032 R)
• M7: 3,099,219 km (0.086 R)
• M8: 3,783,929 km (0.077 R)
• M9: 4,125,760 km (0.108 R)
• M10: 4,855,348 km (0.046 R)
• M11: 5,399,735 km (0.085 R)
• M12: 6,175,400 km (0.07 R)
• M13: 6,773,642 km (0.119 R)
• M14: 7,193,713 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.3

Radius: 11.6

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.1 AU - 2.22 AU

Year: 2153 Days

Day: 13.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,909,421 km

• M1: 148,999 km (0.04 R)
• M2: 516,412 km (0.1 R)
• M3: 914,193 km (0.035 R)
• M4: 1,306,588 km (0.061 R)
• M5: 1,921,285 km (0.066 R)
• M6: 3,525,723 km (0.118 R)
• M7: 5,042,047 km (0.114 R)
• M8: 5,790,335 km (0.112 R)
• M9: 6,585,149 km (0.111 R)
• M10: 7,941,403 km (0.088 R)
• M11: 9,676,589 km (0.071 R)
• M12: 10,436,995 km (0.078 R)
• M13: 12,917,627 km (0.112 R)
• M14: 14,626,184 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.5

Radius: 13.2

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.97 AU - 2.89 AU

Year: 2569 Days

Day: 7.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,909,421 km

• M1: 164,258 km (0.079 R)
• M2: 645,066 km (0.118 R)
• M3: 1,091,765 km (0.087 R)
• M4: 1,764,656 km (0.1 R)
• M5: 2,312,185 km (0.118 R)
• M6: 2,939,598 km (0.115 R)
• M7: 3,365,503 km (0.1 R)
• M8: 3,971,375 km (0.053 R)
• M9: 4,807,627 km (0.051 R)
• M10: 5,528,090 km (0.085 R)
• M11: 7,185,485 km (0.06 R)
• M12: 8,562,533 km (0.092 R)
• M13: 9,260,108 km (0.116 R)
• M14: 9,770,686 km (0.061 R)
• M15: 11,834,239 km (0.102 R)
• M16: 12,523,885 km (0.098 R)
• M17: 13,423,567 km (0.12 R)
• M18: 14,608,232 km (0.086 R)
• M19: 16,016,397 km (0.075 R)
• M20: 16,968,438 km (0.031 R)
• M21: 17,734,528 km (0.082 R)
• M22: 18,985,167 km (0.044 R)

Asteroid Belt

Center: 2.69 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.7

Radius: 9.9

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.92 AU - 2.96 AU

Year: 3419 Days

Day: 8.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,909,421 km

• M1: 123,269 km (0.074 R)
• M2: 455,226 km (0.116 R)
• M3: 774,169 km (0.073 R)
• M4: 1,761,964 km (0.074 R)
• M5: 2,463,428 km (0.111 R)
• M6: 2,829,345 km (0.095 R)
• M7: 4,039,292 km (0.071 R)
• M8: 4,602,678 km (0.105 R)
• M9: 4,957,973 km (0.089 R)
• M10: 7,563,519 km (0.069 R)
• M11: 8,009,320 km (0.1 R)
• M12: 9,452,790 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857

Radius: 12.4

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.77 AU - 3.23 AU

Year: 3524 Days

Day: 11 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,909,421 km

• M1: 154,235 km (0.108 R)
• M2: 669,750 km (0.069 R)
• M3: 1,271,432 km (0.106 R)
• M4: 2,079,261 km (0.081 R)
• M5: 2,488,411 km (0.1 R)
• M6: 3,375,377 km (0.069 R)
• M7: 3,903,457 km (0.072 R)
• M8: 5,204,061 km (0.037 R)
• M9: 5,742,763 km (0.101 R)
• M10: 6,141,741 km (0.085 R)
• M11: 6,620,454 km (0.029 R)
• M12: 7,418,708 km (0.113 R)
• M13: 9,875,404 km (0.1 R)
• M14: 10,283,806 km (0.087 R)
• M15: 11,047,504 km (0.107 R)
• M16: 11,622,259 km (0.09 R)
• M17: 13,717,078 km (0.086 R)
• M18: 14,695,298 km (0.038 R)
• M19: 16,675,675 km (0.09 R)
• M20: 17,551,121 km (0.081 R)
• M21: 18,890,322 km (0.094 R)
• M22: 20,100,867 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.6

Radius: 10.1

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.35 AU - 3.73 AU

Year: 4517 Days

Day: 11.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,909,421 km

• M1: 126,560 km (0.087 R)
• M2: 547,977 km (0.057 R)
• M3: 1,261,708 km (0.076 R)
• M4: 2,237,835 km (0.041 R)
• M5: 3,504,480 km (0.108 R)
• M6: 3,856,783 km (0.115 R)
• M7: 6,333,824 km (0.096 R)
• M8: 7,377,718 km (0.05 R)
• M9: 11,056,928 km (0.086 R)
• M10: 12,976,269 km (0.072 R)
• M11: 15,513,898 km (0.116 R)
• M12: 20,685,346 km (0.102 R)
• M13: 21,915,639 km (0.113 R)
• M14: 24,841,325 km (0.098 R)
• M15: 25,981,859 km (0.04 R)
• M16: 28,367,197 km (0.103 R)
• M17: 29,612,899 km (0.08 R)
• M18: 31,174,251 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.6

Radius: 4.8

Gravity: 32.01 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.49 AU - 10.41 AU

Year: 16660 Days

Day: 20.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,909,421 km

• M1: 59,839 km (0.065 R)
• M2: 287,826 km (0.099 R)
• M3: 1,001,408 km (0.108 R)
• M4: 1,244,355 km (0.12 R)
• M5: 1,885,232 km (0.075 R)
• M6: 2,036,326 km (0.115 R)
• M7: 2,320,113 km (0.082 R)
• M8: 2,561,415 km (0.065 R)
• M9: 3,172,073 km (0.034 R)
• M10: 3,332,143 km (0.089 R)
• M11: 3,844,964 km (0.092 R)
• M12: 8,027,571 km (0.03 R)
• M13: 8,477,412 km (0.096 R)
• M14: 34,071,813 km (0.108 R)
• M15: 36,180,544 km (0.068 R)
• M16: 38,936,586 km (0.057 R)
• M17: 49,681,902 km (0.114 R)
• M18: 52,732,950 km (0.052 R)
• M19: 63,606,023 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.6

Radius: 3.1

Gravity: 72.8 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.6 AU - 11.56 AU

Year: 20111 Days

Day: 16.5 Hours

Environment

Temp: -243 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,909,421 km

• M1: 38,596 km (0.107 R)
• M2: 330,312 km (0.119 R)
• M3: 591,211 km (0.106 R)
• M4: 700,866 km (0.093 R)
• M5: 813,214 km (0.108 R)
• M6: 949,647 km (0.088 R)
• M7: 1,127,968 km (0.099 R)
• M8: 1,343,389 km (0.049 R)
• M9: 1,568,534 km (0.092 R)
• M10: 2,284,509 km (0.089 R)
• M11: 2,928,528 km (0.072 R)
• M12: 3,033,246 km (0.088 R)
• M13: 5,815,468 km (0.073 R)
• M14: 6,065,446 km (0.096 R)
• M15: 7,918,066 km (0.03 R)
• M16: 8,646,607 km (0.043 R)
• M17: 12,277,946 km (0.089 R)
• M18: 12,550,962 km (0.067 R)
• M19: 14,274,479 km (0.113 R)
• M20: 14,652,363 km (0.036 R)
• M21: 15,586,602 km (0.103 R)
• M22: 20,379,269 km (0.089 R)
• M23: 23,785,164 km (0.091 R)
• M24: 25,955,829 km (0.091 R)
• M25: 26,179,927 km (0.025 R)
• M26: 31,188,463 km (0.097 R)
• M27: 31,696,348 km (0.064 R)
• M28: 31,824,105 km (0.09 R)
• M29: 34,184,161 km (0.073 R)
• M30: 34,859,894 km (0.1 R)
• M31: 42,113,297 km (0.093 R)
• M32: 49,103,556 km (0.032 R)
• M33: 50,658,177 km (0.115 R)
• M34: 51,712,842 km (0.066 R)
• M35: 52,781,869 km (0.082 R)
• M36: 68,261,658 km (0.12 R)
• M37: 69,117,208 km (0.089 R)
• M38: 70,413,773 km (0.093 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: 423 - 18,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit