🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.9

Radius: 12.1

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.81 AU - 0.97 AU

Year: 542 Days

Day: 12.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,849,080 km

• M1: 150,495 km (0.065 R)
• M2: 671,395 km (0.096 R)
• M3: 1,084,285 km (0.063 R)
• M4: 1,486,255 km (0.052 R)
• M5: 1,935,348 km (0.117 R)
• M6: 2,484,521 km (0.081 R)
• M7: 3,060,772 km (0.082 R)
• M8: 4,510,525 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.7

Radius: 10.1

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.87 AU - 2.55 AU

Year: 2121 Days

Day: 8.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,849,080 km

• M1: 125,662 km (0.1 R)
• M2: 704,905 km (0.052 R)
• M3: 1,067,082 km (0.116 R)
• M4: 1,906,625 km (0.029 R)
• M5: 2,486,616 km (0.097 R)
• M6: 2,931,370 km (0.04 R)
• M7: 3,565,516 km (0.113 R)
• M8: 5,511,634 km (0.115 R)
• M9: 8,830,014 km (0.037 R)
• M10: 10,403,634 km (0.103 R)
• M11: 11,056,031 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467

Radius: 12.6

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.35 AU - 2.73 AU

Year: 2614 Days

Day: 8.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,849,080 km

• M1: 156,629 km (0.068 R)
• M2: 776,413 km (0.074 R)
• M3: 2,531,944 km (0.037 R)
• M4: 3,015,444 km (0.096 R)
• M5: 3,959,856 km (0.094 R)
• M6: 4,636,487 km (0.075 R)
• M7: 6,018,322 km (0.108 R)
• M8: 7,053,689 km (0.046 R)
• M9: 7,628,893 km (0.114 R)
• M10: 8,486,687 km (0.05 R)
• M11: 9,339,844 km (0.107 R)
• M12: 10,358,007 km (0.085 R)
• M13: 11,371,233 km (0.045 R)
• M14: 13,507,341 km (0.1 R)
• M15: 16,538,194 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.3

Radius: 13.7

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.91 AU - 3.13 AU

Year: 3389 Days

Day: 13.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,849,080 km

• M1: 170,392 km (0.094 R)
• M2: 626,366 km (0.049 R)
• M3: 1,100,741 km (0.069 R)
• M4: 1,778,120 km (0.087 R)
• M5: 2,552,888 km (0.088 R)
• M6: 3,036,538 km (0.118 R)
• M7: 3,486,528 km (0.107 R)
• M8: 4,085,667 km (0.099 R)
• M9: 5,088,721 km (0.119 R)
• M10: 6,081,901 km (0.115 R)
• M11: 6,595,621 km (0.083 R)
• M12: 7,452,667 km (0.073 R)
• M13: 8,041,933 km (0.064 R)
• M14: 9,203,261 km (0.114 R)
• M15: 10,922,141 km (0.119 R)
• M16: 12,077,784 km (0.061 R)
• M17: 12,662,562 km (0.107 R)
• M18: 14,581,304 km (0.069 R)
• M19: 15,557,730 km (0.109 R)
• M20: 16,467,883 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.4

Radius: 8.4

Gravity: 12.08 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.16 AU - 3.68 AU

Year: 4084 Days

Day: 8.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,849,080 km

• M1: 104,719 km (0.037 R)
• M2: 381,624 km (0.098 R)
• M3: 654,790 km (0.045 R)
• M4: 988,244 km (0.113 R)
• M5: 1,412,653 km (0.107 R)
• M6: 1,833,771 km (0.091 R)
• M7: 2,383,992 km (0.079 R)
• M8: 2,732,854 km (0.119 R)
• M9: 3,270,509 km (0.065 R)
• M10: 3,811,006 km (0.067 R)
• M11: 4,482,850 km (0.096 R)
• M12: 5,150,056 km (0.079 R)
• M13: 7,941,104 km (0.102 R)
• M14: 8,608,161 km (0.103 R)
• M15: 8,994,722 km (0.075 R)
• M16: 10,396,005 km (0.079 R)
• M17: 11,058,424 km (0.082 R)
• M18: 11,984,884 km (0.094 R)
• M19: 12,812,310 km (0.12 R)
• M20: 16,096,432 km (0.085 R)
• M21: 16,862,522 km (0.1 R)
• M22: 17,284,987 km (0.03 R)
• M23: 17,591,064 km (0.09 R)
• M24: 18,213,990 km (0.108 R)
• M25: 19,110,829 km (0.102 R)
• M26: 19,372,326 km (0.082 R)
• M27: 19,636,217 km (0.063 R)
• M28: 22,409,462 km (0.116 R)
• M29: 26,310,376 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.3

Radius: 11.3

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.72 AU - 6.32 AU

Year: 8374 Days

Day: 5.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,849,080 km

• M1: 140,472 km (0.053 R)
• M2: 723,904 km (0.067 R)
• M3: 1,081,742 km (0.102 R)
• M4: 1,655,300 km (0.101 R)
• M5: 2,589,539 km (0.12 R)
• M6: 3,556,689 km (0.059 R)
• M7: 4,361,526 km (0.093 R)
• M8: 5,071,517 km (0.111 R)
• M9: 6,685,678 km (0.114 R)
• M10: 7,053,390 km (0.118 R)
• M11: 10,258,076 km (0.118 R)
• M12: 10,948,769 km (0.047 R)
• M13: 18,992,048 km (0.094 R)
• M14: 25,020,393 km (0.1 R)
• M15: 25,730,385 km (0.086 R)
• M16: 26,271,630 km (0.082 R)
• M17: 29,976,870 km (0.049 R)
• M18: 31,183,527 km (0.09 R)
• M19: 34,124,770 km (0.115 R)
• M20: 35,440,184 km (0.097 R)
• M21: 35,885,986 km (0.061 R)
• M22: 36,902,952 km (0.104 R)
• M23: 38,171,841 km (0.083 R)
• M24: 38,640,382 km (0.117 R)
• M25: 39,112,812 km (0.068 R)
• M26: 40,553,140 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48

Radius: 10.8

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.48 AU - 6.7 AU

Year: 8534 Days

Day: 8.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,849,080 km

• M1: 134,339 km (0.118 R)
• M2: 530,025 km (0.064 R)
• M3: 930,349 km (0.073 R)
• M4: 1,404,574 km (0.043 R)
• M5: 2,097,961 km (0.1 R)
• M6: 2,897,262 km (0.025 R)
• M7: 3,506,275 km (0.06 R)
• M8: 4,178,867 km (0.085 R)
• M9: 4,738,064 km (0.048 R)
• M10: 5,441,174 km (0.098 R)
• M11: 6,264,560 km (0.102 R)
• M12: 6,692,710 km (0.08 R)
• M13: 9,304,539 km (0.078 R)
• M14: 12,699,363 km (0.119 R)
• M15: 13,040,147 km (0.036 R)
• M16: 14,326,838 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.6

Radius: 5.2

Gravity: 16.52 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.14 AU - 7.7 AU

Year: 13050 Days

Day: 16.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,849,080 km

• M1: 64,925 km (0.086 R)
• M2: 232,026 km (0.093 R)
• M3: 517,160 km (0.085 R)
• M4: 857,944 km (0.083 R)
• M5: 1,029,533 km (0.118 R)
• M6: 1,443,619 km (0.034 R)
• M7: 1,643,781 km (0.088 R)
• M8: 3,050,600 km (0.091 R)
• M9: 3,261,084 km (0.107 R)
• M10: 3,685,044 km (0.105 R)
• M11: 4,984,751 km (0.095 R)
• M12: 5,211,242 km (0.057 R)
• M13: 5,377,295 km (0.108 R)
• M14: 5,932,304 km (0.108 R)
• M15: 6,524,861 km (0.104 R)
• M16: 7,402,851 km (0.053 R)
• M17: 8,044,925 km (0.087 R)
• M18: 9,587,129 km (0.068 R)
• M19: 10,193,749 km (0.101 R)
• M20: 10,506,408 km (0.1 R)
• M21: 10,825,500 km (0.112 R)
• M22: 11,764,825 km (0.078 R)
• M23: 12,518,799 km (0.039 R)
• M24: 13,120,332 km (0.087 R)
• M25: 14,642,340 km (0.032 R)
• M26: 21,824,983 km (0.105 R)
• M27: 23,139,051 km (0.111 R)
• M28: 28,204,135 km (0.107 R)
• M29: 32,594,683 km (0.118 R)
• M30: 35,961,234 km (0.11 R)
• M31: 37,419,663 km (0.05 R)
• M32: 39,424,873 km (0.099 R)
• M33: 40,194,853 km (0.084 R)
• M34: 40,583,658 km (0.108 R)
• M35: 42,431,192 km (0.11 R)
• M36: 44,610,384 km (0.088 R)
• M37: 48,308,892 km (0.038 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.7

Radius: 5.7

Gravity: 13.23 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 9.57 AU - 11.93 AU

Year: 22758 Days

Day: 16.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,849,080 km

• M1: 70,909 km (0.105 R)
• M2: 249,230 km (0.094 R)
• M3: 572,810 km (0.119 R)
• M4: 846,874 km (0.115 R)
• M5: 3,137,815 km (0.045 R)
• M6: 3,605,309 km (0.081 R)
• M7: 5,749,046 km (0.093 R)
• M8: 7,528,513 km (0.082 R)
• M9: 8,262,440 km (0.051 R)
• M10: 8,568,966 km (0.111 R)
• M11: 11,488,368 km (0.114 R)
• M12: 12,195,218 km (0.102 R)
• M13: 13,553,717 km (0.089 R)
• M14: 18,230,146 km (0.054 R)
• M15: 33,856,392 km (0.11 R)
• M16: 36,655,667 km (0.097 R)
• M17: 37,344,116 km (0.04 R)
• M18: 37,621,920 km (0.075 R)
• M19: 43,471,795 km (0.09 R)
• M20: 45,023,574 km (0.037 R)
• M21: 56,749,653 km (0.114 R)
• M22: 58,601,824 km (0.085 R)
• M23: 60,685,124 km (0.103 R)
• M24: 70,567,410 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.8

Radius: 5

Gravity: 23.99 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 8.96 AU - 13.22 AU

Year: 23846 Days

Day: 17.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,849,080 km

• M1: 63,579 km (0.08 R)
• M2: 286,630 km (0.12 R)
• M3: 716,424 km (0.115 R)
• M4: 1,057,208 km (0.082 R)
• M5: 2,382,645 km (0.119 R)
• M6: 3,878,026 km (0.109 R)
• M7: 4,171,387 km (0.105 R)
• M8: 4,621,228 km (0.109 R)
• M9: 5,064,486 km (0.054 R)
• M10: 5,455,086 km (0.109 R)
• M11: 6,340,556 km (0.08 R)
• M12: 7,124,599 km (0.116 R)
• M13: 7,817,087 km (0.045 R)
• M14: 8,338,585 km (0.106 R)
• M15: 8,717,218 km (0.078 R)
• M16: 10,911,369 km (0.117 R)
• M17: 14,891,870 km (0.11 R)
• M18: 18,173,449 km (0.071 R)
• M19: 18,444,221 km (0.106 R)
• M20: 20,708,085 km (0.107 R)
• M21: 26,120,536 km (0.071 R)
• M22: 26,580,998 km (0.039 R)
• M23: 26,813,324 km (0.097 R)
• M24: 28,720,547 km (0.111 R)
• M25: 30,972,145 km (0.086 R)
• M26: 31,487,958 km (0.1 R)
• M27: 36,248,910 km (0.078 R)
• M28: 51,181,172 km (0.06 R)
• M29: 58,304,424 km (0.113 R)
• M30: 65,636,066 km (0.107 R)
• M31: 79,660,717 km (0.084 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 12,589 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit