🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.6

Radius: 9.8

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.42 AU - 0.6 AU

Year: 247 Days

Day: 12.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 18,036,338 km

• M1: 121,922 km (0.119 R)
• M2: 441,314 km (0.103 R)
• M3: 760,855 km (0.077 R)
• M4: 1,122,882 km (0.077 R)
• M5: 1,507,947 km (0.11 R)
• M6: 1,823,299 km (0.097 R)
• M7: 2,162,138 km (0.1 R)
• M8: 2,734,200 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.6

Radius: 15

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.61 AU - 0.79 AU

Year: 397 Days

Day: 8.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,036,338 km

• M1: 186,549 km (0.07 R)
• M2: 662,569 km (0.113 R)
• M3: 1,272,479 km (0.095 R)
• M4: 1,751,043 km (0.099 R)
• M5: 2,360,954 km (0.11 R)
• M6: 2,921,497 km (0.089 R)
• M7: 3,603,214 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.8

Radius: 13.6

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.75 AU - 0.85 AU

Year: 485 Days

Day: 7.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,036,338 km

• M1: 169,195 km (0.093 R)
• M2: 614,847 km (0.116 R)
• M3: 1,083,537 km (0.101 R)
• M4: 1,639,742 km (0.093 R)
• M5: 3,000,933 km (0.1 R)
• M6: 3,641,661 km (0.042 R)
• M7: 4,094,643 km (0.108 R)
• M8: 5,404,522 km (0.111 R)
• M9: 6,071,729 km (0.039 R)
• M10: 6,553,135 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.6

Radius: 8.4

Gravity: 12.23 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.46 AU - 1.48 AU

Year: 1209 Days

Day: 14.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 18,036,338 km

• M1: 104,719 km (0.118 R)
• M2: 385,963 km (0.055 R)
• M3: 670,647 km (0.049 R)
• M4: 1,034,320 km (0.115 R)
• M5: 1,302,249 km (0.11 R)
• M6: 1,608,327 km (0.077 R)
• M7: 2,004,761 km (0.104 R)
• M8: 2,695,155 km (0.095 R)
• M9: 3,828,658 km (0.06 R)
• M10: 4,245,288 km (0.111 R)
• M11: 4,906,960 km (0.076 R)
• M12: 5,335,857 km (0.12 R)
• M13: 6,506,161 km (0.082 R)
• M14: 7,125,945 km (0.115 R)
• M15: 8,569,864 km (0.088 R)
• M16: 8,833,156 km (0.11 R)
• M17: 9,593,113 km (0.079 R)
• M18: 10,134,358 km (0.104 R)
• M19: 10,495,188 km (0.105 R)
• M20: 11,242,878 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709

Radius: 14.4

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.79 AU - 3.69 AU

Year: 3956 Days

Day: 14.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 66.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 18,036,338 km

• M1: 179,069 km (0.055 R)
• M2: 779,704 km (0.077 R)
• M3: 1,282,054 km (0.059 R)
• M4: 1,902,885 km (0.045 R)
• M5: 2,959,943 km (0.074 R)
• M6: 3,442,097 km (0.115 R)
• M7: 3,891,041 km (0.046 R)
• M8: 5,137,789 km (0.076 R)
• M9: 5,644,926 km (0.081 R)
• M10: 7,470,768 km (0.042 R)
• M11: 9,985,658 km (0.082 R)
• M12: 15,339,915 km (0.108 R)
• M13: 16,002,185 km (0.092 R)
• M14: 16,568,563 km (0.111 R)
• M15: 19,732,707 km (0.061 R)
• M16: 20,582,872 km (0.049 R)
• M17: 21,662,370 km (0.101 R)
• M18: 23,064,551 km (0.068 R)
• M19: 24,081,517 km (0.093 R)
• M20: 25,052,407 km (0.075 R)
• M21: 25,817,002 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.6

Radius: 11.1

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.81 AU - 5.61 AU

Year: 6933 Days

Day: 12 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,036,338 km

• M1: 138,976 km (0.048 R)
• M2: 698,323 km (0.096 R)
• M3: 3,668,140 km (0.07 R)
• M4: 4,397,878 km (0.09 R)
• M5: 4,875,544 km (0.11 R)
• M6: 7,625,602 km (0.103 R)
• M7: 9,866,578 km (0.101 R)
• M8: 10,599,159 km (0.09 R)
• M9: 13,949,852 km (0.101 R)
• M10: 14,872,721 km (0.112 R)
• M11: 16,719,806 km (0.119 R)
• M12: 20,449,281 km (0.095 R)
• M13: 21,854,454 km (0.103 R)
• M14: 23,247,958 km (0.1 R)
• M15: 23,776,038 km (0.099 R)
• M16: 24,544,373 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.2

Radius: 8.6

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.6 AU - 5.94 AU

Year: 7066 Days

Day: 7.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 18,036,338 km

• M1: 108,458 km (0.08 R)
• M2: 454,329 km (0.057 R)
• M3: 848,818 km (0.118 R)
• M4: 1,225,057 km (0.114 R)
• M5: 1,591,123 km (0.05 R)
• M6: 1,909,318 km (0.119 R)
• M7: 2,769,805 km (0.038 R)
• M8: 3,191,671 km (0.108 R)
• M9: 3,496,401 km (0.069 R)
• M10: 4,774,865 km (0.085 R)
• M11: 5,352,911 km (0.071 R)
• M12: 5,658,988 km (0.066 R)
• M13: 7,748,721 km (0.107 R)
• M14: 9,709,949 km (0.09 R)
• M15: 10,027,994 km (0.107 R)
• M16: 10,399,894 km (0.092 R)
• M17: 11,774,998 km (0.12 R)
• M18: 12,400,018 km (0.102 R)
• M19: 14,116,803 km (0.083 R)
• M20: 15,122,849 km (0.113 R)
• M21: 15,612,333 km (0.112 R)
• M22: 15,986,477 km (0.105 R)
• M23: 17,476,322 km (0.045 R)
• M24: 17,744,551 km (0.103 R)
• M25: 18,915,454 km (0.076 R)
• M26: 20,506,128 km (0.084 R)
• M27: 20,954,922 km (0.109 R)
• M28: 22,184,018 km (0.058 R)
• M29: 25,638,083 km (0.115 R)
• M30: 29,529,423 km (0.097 R)
• M31: 30,487,747 km (0.09 R)
• M32: 32,567,456 km (0.113 R)
• M33: 34,634,450 km (0.058 R)
• M34: 35,592,475 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558

Radius: 9.5

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.71 AU - 4.95 AU

Year: 7200 Days

Day: 13.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 18,036,338 km

• M1: 118,631 km (0.078 R)
• M2: 426,952 km (0.068 R)
• M3: 726,597 km (0.046 R)
• M4: 1,668,016 km (0.104 R)
• M5: 2,227,961 km (0.102 R)
• M6: 2,717,146 km (0.054 R)
• M7: 3,192,119 km (0.084 R)
• M8: 4,652,344 km (0.066 R)
• M9: 4,957,075 km (0.095 R)
• M10: 6,245,562 km (0.11 R)
• M11: 8,414,731 km (0.036 R)
• M12: 8,743,248 km (0.116 R)
• M13: 9,915,945 km (0.112 R)
• M14: 10,611,127 km (0.073 R)
• M15: 11,338,471 km (0.05 R)
• M16: 12,254,609 km (0.111 R)
• M17: 12,946,499 km (0.038 R)
• M18: 14,701,132 km (0.101 R)
• M19: 16,038,986 km (0.092 R)
• M20: 17,924,218 km (0.116 R)
• M21: 18,745,960 km (0.045 R)
• M22: 20,835,243 km (0.108 R)
• M23: 21,437,824 km (0.04 R)
• M24: 21,974,730 km (0.095 R)
• M25: 22,520,463 km (0.114 R)
• M26: 26,950,056 km (0.025 R)
• M27: 30,558,058 km (0.073 R)
• M28: 31,928,075 km (0.05 R)
• M29: 34,685,314 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.7

Radius: 3

Gravity: 105.41 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 5.69 AU - 6.61 AU

Year: 10344 Days

Day: 24.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 18,036,338 km

• M1: 40,092 km (0.109 R)
• M2: 154,535 km (0.114 R)
• M3: 252,671 km (0.026 R)
• M4: 737,069 km (0.089 R)
• M5: 932,294 km (0.117 R)
• M6: 2,183,830 km (0.077 R)
• M7: 3,801,132 km (0.074 R)
• M8: 4,141,467 km (0.112 R)
• M9: 4,980,712 km (0.044 R)
• M10: 5,147,663 km (0.062 R)
• M11: 5,283,946 km (0.094 R)
• M12: 5,528,240 km (0.046 R)
• M13: 6,114,813 km (0.12 R)
• M14: 6,383,940 km (0.099 R)
• M15: 6,701,237 km (0.079 R)
• M16: 8,732,626 km (0.082 R)
• M17: 10,044,899 km (0.095 R)
• M18: 10,637,755 km (0.091 R)
• M19: 10,803,360 km (0.086 R)
• M20: 11,892,582 km (0.116 R)
• M21: 14,286,447 km (0.066 R)
• M22: 17,899,834 km (0.099 R)
• M23: 18,849,481 km (0.116 R)
• M24: 21,899,183 km (0.078 R)
• M25: 26,860,896 km (0.107 R)
• M26: 28,208,773 km (0.036 R)
• M27: 28,845,761 km (0.095 R)
• M28: 29,275,705 km (0.1 R)
• M29: 29,492,323 km (0.119 R)
• M30: 31,263,561 km (0.093 R)
• M31: 33,221,798 km (0.117 R)
• M32: 39,320,753 km (0.091 R)
• M33: 40,248,709 km (0.116 R)
• M34: 43,400,287 km (0.074 R)
• M35: 45,107,947 km (0.054 R)
• M36: 47,603,239 km (0.099 R)
• M37: 48,052,930 km (0.048 R)
• M38: 51,280,205 km (0.112 R)
• M39: 51,437,433 km (0.118 R)
• M40: 51,752,785 km (0.095 R)
• M41: 53,833,841 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 16.4

Radius: 4

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 7.05 AU - 8.65 AU

Year: 14917 Days

Day: 17 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,036,338 km

• M1: 51,611 km (0.112 R)
• M2: 362,176 km (0.028 R)
• M3: 807,829 km (0.059 R)
• M4: 1,175,241 km (0.088 R)
• M5: 2,127,282 km (0.068 R)
• M6: 2,338,813 km (0.091 R)
• M7: 3,293,846 km (0.091 R)
• M8: 5,035,016 km (0.118 R)
• M9: 5,606,031 km (0.09 R)
• M10: 7,104,552 km (0.082 R)
• M11: 8,389,897 km (0.116 R)
• M12: 8,817,149 km (0.09 R)
• M13: 10,672,462 km (0.106 R)
• M14: 12,265,380 km (0.092 R)
• M15: 14,470,752 km (0.045 R)
• M16: 15,814,440 km (0.096 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 18,774 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit