🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.8

Radius: 11.5

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.79 AU - 0.81 AU

Year: 477 Days

Day: 12.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 93,452,362 km

• M1: 143,016 km (0.069 R)
• M2: 513,569 km (0.054 R)
• M3: 873,652 km (0.055 R)
• M4: 1,571,974 km (0.042 R)
• M5: 2,028,547 km (0.044 R)
• M6: 2,563,060 km (0.116 R)
• M7: 2,936,606 km (0.107 R)
• M8: 5,087,375 km (0.101 R)
• M9: 5,594,960 km (0.086 R)
• M10: 6,136,205 km (0.117 R)
• M11: 6,712,157 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.9

Radius: 10.8

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.84 AU - 0.9 AU

Year: 541 Days

Day: 10.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 93,452,362 km

• M1: 134,638 km (0.068 R)
• M2: 532,568 km (0.035 R)
• M3: 1,103,733 km (0.12 R)
• M4: 1,513,930 km (0.086 R)
• M5: 2,123,243 km (0.106 R)
• M6: 2,462,830 km (0.078 R)
• M7: 3,025,318 km (0.059 R)
• M8: 3,720,649 km (0.076 R)
• M9: 4,967,098 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750

Radius: 12.3

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.64 AU - 3.3 AU

Year: 3413 Days

Day: 8.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 111.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 93,452,362 km

• M1: 153,188 km (0.106 R)
• M2: 536,608 km (0.119 R)
• M3: 938,577 km (0.104 R)
• M4: 1,328,429 km (0.109 R)
• M5: 2,294,383 km (0.102 R)
• M6: 2,755,144 km (0.05 R)
• M7: 4,296,152 km (0.087 R)
• M8: 5,729,898 km (0.118 R)
• M9: 6,176,597 km (0.057 R)
• M10: 8,132,439 km (0.07 R)
• M11: 8,879,980 km (0.102 R)
• M12: 9,556,761 km (0.061 R)
• M13: 10,971,209 km (0.116 R)
• M14: 11,530,705 km (0.062 R)
• M15: 12,613,644 km (0.084 R)
• M16: 13,324,084 km (0.077 R)
• M17: 16,547,469 km (0.057 R)
• M18: 17,283,940 km (0.111 R)
• M19: 19,500,232 km (0.08 R)
• M20: 20,066,759 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451

Radius: 11.3

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.88 AU - 4.62 AU

Year: 4843 Days

Day: 6.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 93,452,362 km

• M1: 140,622 km (0.077 R)
• M2: 655,239 km (0.068 R)
• M3: 1,119,291 km (0.042 R)
• M4: 1,532,780 km (0.05 R)
• M5: 2,424,682 km (0.111 R)
• M6: 3,058,080 km (0.09 R)
• M7: 3,473,513 km (0.081 R)
• M8: 3,926,346 km (0.114 R)
• M9: 4,512,470 km (0.029 R)
• M10: 5,260,460 km (0.096 R)
• M11: 5,747,849 km (0.114 R)
• M12: 6,384,239 km (0.111 R)
• M13: 7,360,066 km (0.119 R)
• M14: 9,410,304 km (0.12 R)
• M15: 10,461,828 km (0.117 R)
• M16: 10,843,452 km (0.114 R)
• M17: 11,322,614 km (0.075 R)
• M18: 13,631,208 km (0.086 R)
• M19: 15,029,350 km (0.105 R)
• M20: 15,461,389 km (0.089 R)
• M21: 17,687,704 km (0.086 R)
• M22: 18,169,409 km (0.103 R)
• M23: 19,159,448 km (0.084 R)
• M24: 21,044,830 km (0.092 R)
• M25: 22,625,780 km (0.099 R)
• M26: 23,625,992 km (0.119 R)
• M27: 24,210,620 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.9

Radius: 9

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.27 AU - 5.91 AU

Year: 7658 Days

Day: 5.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 147.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 93,452,362 km

• M1: 111,899 km (0.096 R)
• M2: 453,880 km (0.077 R)
• M3: 769,681 km (0.095 R)
• M4: 1,169,107 km (0.036 R)
• M5: 1,457,233 km (0.093 R)
• M6: 2,489,309 km (0.089 R)
• M7: 2,931,520 km (0.104 R)
• M8: 3,425,342 km (0.104 R)
• M9: 3,742,640 km (0.099 R)
• M10: 4,241,848 km (0.104 R)
• M11: 4,696,176 km (0.118 R)
• M12: 6,114,514 km (0.076 R)
• M13: 6,473,100 km (0.1 R)
• M14: 7,037,383 km (0.065 R)
• M15: 8,092,796 km (0.04 R)
• M16: 9,019,555 km (0.101 R)
• M17: 9,343,733 km (0.119 R)
• M18: 10,114,013 km (0.119 R)
• M19: 11,726,079 km (0.088 R)
• M20: 12,853,000 km (0.081 R)
• M21: 13,988,747 km (0.06 R)
• M22: 14,612,870 km (0.111 R)
• M23: 15,849,595 km (0.104 R)
• M24: 22,329,726 km (0.119 R)
• M25: 25,407,403 km (0.087 R)
• M26: 27,383,741 km (0.117 R)
• M27: 28,557,934 km (0.077 R)
• M28: 29,258,202 km (0.118 R)
• M29: 32,281,874 km (0.045 R)
• M30: 33,260,992 km (0.076 R)
• M31: 33,924,758 km (0.03 R)
• M32: 34,484,553 km (0.088 R)
• M33: 35,737,735 km (0.095 R)
• M34: 39,679,489 km (0.086 R)
• M35: 40,426,132 km (0.039 R)
• M36: 43,637,699 km (0.081 R)
• M37: 44,566,702 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.7

Radius: 12.4

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.05 AU - 6.17 AU

Year: 8861 Days

Day: 13.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 93,452,362 km

• M1: 154,235 km (0.118 R)
• M2: 729,738 km (0.081 R)
• M3: 1,329,327 km (0.111 R)
• M4: 1,793,080 km (0.107 R)
• M5: 2,417,950 km (0.093 R)
• M6: 2,973,706 km (0.101 R)
• M7: 3,474,111 km (0.042 R)
• M8: 4,055,897 km (0.068 R)
• M9: 5,798,862 km (0.103 R)
• M10: 6,269,048 km (0.095 R)
• M11: 11,776,943 km (0.094 R)
• M12: 12,259,695 km (0.119 R)
• M13: 14,084,041 km (0.112 R)
• M14: 17,082,431 km (0.069 R)
• M15: 24,311,000 km (0.099 R)
• M16: 25,094,893 km (0.116 R)
• M17: 26,166,164 km (0.108 R)
• M18: 27,641,647 km (0.117 R)
• M19: 28,591,594 km (0.036 R)
• M20: 39,679,190 km (0.081 R)

Asteroid Belt

Center: 7.98 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.5

Radius: 5

Gravity: 19.66 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 10.32 AU - 10.36 AU

Year: 22172 Days

Day: 18.1 Hours

Environment

Temp: -245 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 93,452,362 km

• M1: 62,233 km (0.065 R)
• M2: 222,302 km (0.07 R)
• M3: 914,941 km (0.094 R)
• M4: 1,215,034 km (0.116 R)
• M5: 1,449,903 km (0.107 R)
• M6: 1,679,834 km (0.116 R)
• M7: 2,276,281 km (0.092 R)
• M8: 2,588,043 km (0.103 R)
• M9: 3,754,907 km (0.081 R)
• M10: 5,425,017 km (0.082 R)
• M11: 5,737,976 km (0.11 R)
• M12: 7,345,106 km (0.119 R)
• M13: 7,534,946 km (0.078 R)
• M14: 9,229,889 km (0.062 R)
• M15: 9,619,592 km (0.101 R)
• M16: 9,962,171 km (0.114 R)
• M17: 15,730,665 km (0.107 R)
• M18: 17,775,518 km (0.098 R)
• M19: 25,499,107 km (0.056 R)
• M20: 26,822,300 km (0.115 R)
• M21: 28,773,954 km (0.118 R)
• M22: 29,965,201 km (0.045 R)
• M23: 30,818,358 km (0.109 R)
• M24: 32,700,898 km (0.025 R)
• M25: 36,693,216 km (0.087 R)
• M26: 43,892,614 km (0.116 R)
• M27: 46,271,220 km (0.083 R)
• M28: 47,574,367 km (0.081 R)
• M29: 56,461,827 km (0.091 R)
• M30: 57,016,536 km (0.055 R)
• M31: 61,196,151 km (0.109 R)
• M32: 62,765,283 km (0.043 R)
• M33: 67,633,347 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.5

Radius: 4.9

Gravity: 36.71 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 9.18 AU - 12.62 AU

Year: 23998 Days

Day: 17 Hours

Environment

Temp: -233 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 93,452,362 km

• M1: 84,224 km (0.068 R)
• M2: 322,683 km (0.088 R)
• M3: 596,596 km (0.081 R)
• M4: 1,002,156 km (0.118 R)
• M5: 2,155,257 km (0.114 R)
• M6: 2,532,393 km (0.108 R)
• M7: 4,203,999 km (0.119 R)
• M8: 7,962,347 km (0.117 R)
• M9: 9,151,351 km (0.052 R)
• M10: 9,450,995 km (0.108 R)
• M11: 9,695,288 km (0.061 R)
• M12: 11,734,906 km (0.096 R)
• M13: 25,004,835 km (0.083 R)
• M14: 25,472,478 km (0.051 R)
• M15: 31,684,081 km (0.101 R)
• M16: 32,785,570 km (0.06 R)
• M17: 42,365,818 km (0.119 R)
• M18: 45,237,798 km (0.07 R)
• M19: 54,042,081 km (0.093 R)
• M20: 64,795,625 km (0.073 R)
• M21: 65,015,235 km (0.066 R)
• M22: 68,143,326 km (0.116 R)
• M23: 73,736,342 km (0.119 R)
• M24: 87,960,257 km (0.116 R)
• M25: 91,504,829 km (0.095 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: 310 - 20,066 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit