🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.7

Radius: 8.1

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.77 AU - 1.09 AU

Year: 588 Days

Day: 9.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,935,139 km

• M1: 101,427 km (0.073 R)
• M2: 463,454 km (0.117 R)
• M3: 957,127 km (0.094 R)
• M4: 1,220,270 km (0.037 R)
• M5: 1,848,730 km (0.119 R)
• M6: 2,656,409 km (0.086 R)
• M7: 2,979,990 km (0.095 R)
• M8: 3,329,749 km (0.106 R)
• M9: 3,680,856 km (0.093 R)
• M10: 4,282,389 km (0.098 R)
• M11: 4,932,092 km (0.047 R)
• M12: 5,222,910 km (0.075 R)
• M13: 5,946,216 km (0.103 R)
• M14: 6,332,179 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.2

Radius: 14.7

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.13 AU - 1.55 AU

Year: 1018 Days

Day: 14.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,935,139 km

• M1: 183,108 km (0.114 R)
• M2: 776,712 km (0.069 R)
• M3: 1,278,314 km (0.083 R)
• M4: 1,752,988 km (0.073 R)
• M5: 2,382,346 km (0.054 R)
• M6: 3,022,176 km (0.069 R)
• M7: 4,310,214 km (0.114 R)
• M8: 5,011,229 km (0.101 R)
• M9: 5,680,680 km (0.031 R)
• M10: 6,295,078 km (0.104 R)
• M11: 7,249,812 km (0.092 R)
• M12: 9,781,008 km (0.063 R)
• M13: 10,569,090 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.3

Radius: 14.6

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.9 AU - 2.28 AU

Year: 1982 Days

Day: 10.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 137.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,935,139 km

• M1: 181,612 km (0.077 R)
• M2: 656,585 km (0.079 R)
• M3: 1,910,514 km (0.108 R)
• M4: 2,673,613 km (0.119 R)
• M5: 4,058,291 km (0.104 R)
• M6: 5,658,839 km (0.087 R)
• M7: 6,182,132 km (0.079 R)
• M8: 6,902,595 km (0.047 R)
• M9: 7,738,249 km (0.097 R)
• M10: 8,196,318 km (0.076 R)
• M11: 9,336,553 km (0.1 R)
• M12: 10,141,838 km (0.077 R)
• M13: 11,971,869 km (0.052 R)
• M14: 12,461,951 km (0.115 R)
• M15: 12,922,862 km (0.089 R)
• M16: 13,790,381 km (0.075 R)
• M17: 14,696,345 km (0.1 R)
• M18: 16,129,194 km (0.044 R)
• M19: 16,829,012 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.8

Radius: 13.2

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.11 AU - 2.11 AU

Year: 2011 Days

Day: 7 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,935,139 km

• M1: 165,904 km (0.038 R)
• M2: 598,840 km (0.103 R)
• M3: 1,086,380 km (0.08 R)
• M4: 1,519,615 km (0.069 R)
• M5: 1,956,142 km (0.087 R)
• M6: 2,422,289 km (0.115 R)
• M7: 4,129,500 km (0.049 R)
• M8: 4,747,638 km (0.082 R)
• M9: 6,360,602 km (0.075 R)
• M10: 7,002,676 km (0.074 R)
• M11: 7,614,681 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.6

Radius: 8.1

Gravity: 13.97 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.17 AU - 3.55 AU

Year: 4040 Days

Day: 5.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,935,139 km

• M1: 100,829 km (0.065 R)
• M2: 415,433 km (0.074 R)
• M3: 759,658 km (0.045 R)
• M4: 1,061,098 km (0.068 R)
• M5: 1,323,492 km (0.072 R)
• M6: 1,642,136 km (0.08 R)
• M7: 1,928,017 km (0.061 R)
• M8: 3,144,996 km (0.077 R)
• M9: 4,052,906 km (0.092 R)
• M10: 5,261,656 km (0.069 R)
• M11: 6,630,178 km (0.038 R)
• M12: 6,923,539 km (0.096 R)
• M13: 8,296,100 km (0.102 R)
• M14: 9,026,736 km (0.048 R)
• M15: 11,063,062 km (0.096 R)
• M16: 11,616,574 km (0.076 R)
• M17: 13,182,564 km (0.074 R)
• M18: 13,439,424 km (0.117 R)
• M19: 15,445,232 km (0.054 R)
• M20: 17,029,324 km (0.072 R)
• M21: 17,954,886 km (0.042 R)
• M22: 19,372,176 km (0.085 R)
• M23: 20,793,356 km (0.086 R)
• M24: 22,137,792 km (0.12 R)
• M25: 27,341,853 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.3

Radius: 12.5

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.45 AU - 3.55 AU

Year: 4295 Days

Day: 11.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,935,139 km

• M1: 155,582 km (0.085 R)
• M2: 586,723 km (0.099 R)
• M3: 1,252,882 km (0.054 R)
• M4: 1,806,993 km (0.116 R)
• M5: 2,278,226 km (0.097 R)
• M6: 3,201,843 km (0.112 R)
• M7: 3,779,889 km (0.091 R)
• M8: 4,274,460 km (0.043 R)
• M9: 5,888,621 km (0.11 R)
• M10: 7,088,994 km (0.035 R)
• M11: 7,555,141 km (0.073 R)
• M12: 9,442,917 km (0.097 R)
• M13: 10,476,937 km (0.032 R)
• M14: 11,584,710 km (0.118 R)
• M15: 13,414,441 km (0.06 R)
• M16: 14,081,199 km (0.069 R)
• M17: 15,071,985 km (0.094 R)
• M18: 15,688,478 km (0.083 R)
• M19: 19,324,455 km (0.12 R)
• M20: 20,175,367 km (0.066 R)
• M21: 21,562,887 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.8

Radius: 10.3

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.26 AU - 4.98 AU

Year: 5486 Days

Day: 8.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,935,139 km

• M1: 131,347 km (0.091 R)
• M2: 489,634 km (0.107 R)
• M3: 967,898 km (0.075 R)
• M4: 1,427,014 km (0.108 R)
• M5: 1,871,021 km (0.097 R)
• M6: 2,243,220 km (0.079 R)
• M7: 3,060,174 km (0.062 R)
• M8: 3,737,703 km (0.102 R)
• M9: 4,185,449 km (0.107 R)
• M10: 4,616,141 km (0.076 R)
• M11: 5,274,671 km (0.098 R)
• M12: 5,994,536 km (0.116 R)
• M13: 8,313,602 km (0.11 R)
• M14: 11,758,243 km (0.034 R)
• M15: 12,259,396 km (0.061 R)
• M16: 13,038,053 km (0.097 R)
• M17: 13,412,496 km (0.036 R)
• M18: 13,959,725 km (0.094 R)
• M19: 14,465,067 km (0.087 R)
• M20: 16,299,586 km (0.117 R)
• M21: 16,986,240 km (0.112 R)
• M22: 17,888,016 km (0.118 R)
• M23: 23,036,726 km (0.109 R)
• M24: 23,901,701 km (0.077 R)
• M25: 25,033,558 km (0.042 R)
• M26: 26,370,514 km (0.119 R)
• M27: 27,056,570 km (0.118 R)
• M28: 27,666,481 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.5

Radius: 6.3

Gravity: 15.1 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.33 AU - 6.45 AU

Year: 10596 Days

Day: 17.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,935,139 km

• M1: 89,160 km (0.025 R)
• M2: 312,061 km (0.06 R)
• M3: 518,955 km (0.109 R)
• M4: 761,004 km (0.111 R)
• M5: 1,652,009 km (0.098 R)
• M6: 2,206,868 km (0.066 R)
• M7: 2,468,814 km (0.091 R)
• M8: 2,814,534 km (0.119 R)
• M9: 4,356,140 km (0.119 R)
• M10: 4,559,893 km (0.096 R)
• M11: 4,769,928 km (0.082 R)
• M12: 5,049,527 km (0.073 R)
• M13: 7,121,307 km (0.118 R)
• M14: 8,613,845 km (0.118 R)
• M15: 9,949,306 km (0.113 R)
• M16: 13,632,405 km (0.071 R)
• M17: 15,170,271 km (0.079 R)
• M18: 16,749,277 km (0.114 R)
• M19: 16,963,052 km (0.055 R)
• M20: 17,178,473 km (0.043 R)
• M21: 18,059,006 km (0.094 R)
• M22: 19,514,145 km (0.082 R)
• M23: 23,624,645 km (0.083 R)
• M24: 27,183,728 km (0.094 R)
• M25: 28,988,028 km (0.088 R)
• M26: 31,299,614 km (0.105 R)
• M27: 33,505,286 km (0.077 R)
• M28: 36,884,552 km (0.087 R)
• M29: 38,718,323 km (0.069 R)
• M30: 39,092,317 km (0.114 R)
• M31: 39,974,197 km (0.102 R)
• M32: 43,098,399 km (0.07 R)
• M33: 44,994,103 km (0.102 R)
• M34: 45,269,363 km (0.086 R)
• M35: 46,803,639 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.6

Radius: 4.1

Gravity: 50.3 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.43 AU - 8.69 AU

Year: 16429 Days

Day: 19.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,935,139 km

• M1: 51,013 km (0.11 R)
• M2: 287,677 km (0.109 R)
• M3: 489,484 km (0.117 R)
• M4: 844,330 km (0.113 R)
• M5: 1,571,526 km (0.112 R)
• M6: 1,906,326 km (0.05 R)
• M7: 2,223,772 km (0.101 R)
• M8: 2,838,171 km (0.067 R)
• M9: 4,426,751 km (0.103 R)
• M10: 5,313,567 km (0.028 R)
• M11: 5,465,857 km (0.066 R)
• M12: 6,526,955 km (0.115 R)
• M13: 10,110,422 km (0.093 R)
• M14: 11,632,132 km (0.034 R)
• M15: 13,161,172 km (0.099 R)
• M16: 15,045,058 km (0.112 R)
• M17: 18,369,272 km (0.12 R)
• M18: 18,981,726 km (0.1 R)
• M19: 19,517,436 km (0.06 R)
• M20: 26,977,134 km (0.105 R)
• M21: 27,314,178 km (0.114 R)
• M22: 27,882,051 km (0.091 R)
• M23: 28,574,091 km (0.07 R)
• M24: 29,633,244 km (0.053 R)
• M25: 29,991,980 km (0.069 R)
• M26: 32,712,417 km (0.053 R)
• M27: 34,394,794 km (0.1 R)
• M28: 42,605,922 km (0.109 R)
• M29: 57,041,369 km (0.099 R)
• M30: 58,905,658 km (0.098 R)
• M31: 62,755,409 km (0.079 R)
• M32: 68,839,106 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 623.7

Radius: 6.8

Gravity: 13.49 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.5 AU - 9.48 AU

Year: 17683 Days

Day: 19.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,935,139 km

• M1: 89,908 km (0.099 R)
• M2: 595,400 km (0.108 R)
• M3: 899,382 km (0.117 R)
• M4: 1,183,319 km (0.115 R)
• M5: 2,105,889 km (0.096 R)
• M6: 3,691,327 km (0.058 R)
• M7: 3,986,783 km (0.118 R)
• M8: 6,104,042 km (0.104 R)
• M9: 8,616,837 km (0.099 R)
• M10: 16,729,231 km (0.082 R)
• M11: 17,954,736 km (0.063 R)
• M12: 18,376,154 km (0.116 R)
• M13: 19,414,512 km (0.115 R)
• M14: 19,858,519 km (0.051 R)
• M15: 26,806,293 km (0.062 R)
• M16: 32,159,503 km (0.106 R)
• M17: 45,073,240 km (0.05 R)
• M18: 53,959,503 km (0.114 R)
• M19: 59,926,962 km (0.096 R)
• M20: 61,818,627 km (0.118 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 17,991 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit