🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.3

Radius: 9.3

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.48 AU - 0.66 AU

Year: 287 Days

Day: 13.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 67,175,095 km

• M1: 128,505 km (0.114 R)
• M2: 444,605 km (0.034 R)
• M3: 756,217 km (0.091 R)
• M4: 1,309,879 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.3

Radius: 8.7

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.93 AU - 0.95 AU

Year: 608 Days

Day: 8.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,175,095 km

• M1: 112,348 km (0.037 R)
• M2: 454,628 km (0.077 R)
• M3: 746,942 km (0.061 R)
• M4: 1,099,544 km (0.05 R)
• M5: 1,691,503 km (0.044 R)
• M6: 2,105,141 km (0.115 R)
• M7: 2,512,496 km (0.111 R)
• M8: 2,857,619 km (0.032 R)
• M9: 3,511,960 km (0.116 R)
• M10: 4,015,656 km (0.114 R)
• M11: 4,367,659 km (0.113 R)
• M12: 5,033,220 km (0.093 R)
• M13: 5,602,291 km (0.086 R)
• M14: 7,096,923 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493

Radius: 8.6

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.18 AU - 1.46 AU

Year: 1011 Days

Day: 7.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,175,095 km

• M1: 107,710 km (0.07 R)
• M2: 414,685 km (0.09 R)
• M3: 902,823 km (0.092 R)
• M4: 1,487,003 km (0.039 R)
• M5: 2,455,948 km (0.115 R)
• M6: 3,056,584 km (0.12 R)
• M7: 3,826,863 km (0.095 R)
• M8: 4,331,307 km (0.096 R)
• M9: 4,651,447 km (0.038 R)
• M10: 5,867,976 km (0.084 R)
• M11: 6,431,212 km (0.09 R)
• M12: 6,759,430 km (0.07 R)
• M13: 7,284,369 km (0.108 R)
• M14: 8,441,509 km (0.087 R)
• M15: 8,835,400 km (0.11 R)
• M16: 9,104,826 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331

Radius: 9.2

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.38 AU - 1.8 AU

Year: 1337 Days

Day: 8.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,175,095 km

• M1: 141,669 km (0.066 R)
• M2: 483,201 km (0.099 R)
• M3: 1,042,099 km (0.088 R)
• M4: 1,396,197 km (0.046 R)
• M5: 2,030,641 km (0.113 R)
• M6: 2,364,394 km (0.098 R)
• M7: 2,650,575 km (0.117 R)
• M8: 3,103,857 km (0.079 R)
• M9: 3,818,635 km (0.117 R)
• M10: 5,091,264 km (0.118 R)
• M11: 6,626,288 km (0.116 R)
• M12: 7,059,823 km (0.101 R)
• M13: 7,439,353 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.9

Radius: 12

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.54 AU - 1.7 AU

Year: 1375 Days

Day: 12.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,175,095 km

• M1: 149,299 km (0.092 R)
• M2: 564,582 km (0.107 R)
• M3: 989,440 km (0.066 R)
• M4: 1,438,683 km (0.05 R)
• M5: 1,975,290 km (0.107 R)
• M6: 2,547,801 km (0.1 R)
• M7: 3,024,570 km (0.053 R)
• M8: 3,590,648 km (0.089 R)
• M9: 4,192,929 km (0.039 R)
• M10: 5,241,461 km (0.057 R)
• M11: 6,345,642 km (0.089 R)
• M12: 7,036,037 km (0.116 R)
• M13: 8,007,824 km (0.11 R)
• M14: 8,567,171 km (0.09 R)
• M15: 9,411,052 km (0.054 R)
• M16: 10,716,593 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.1

Radius: 14.8

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.89 AU - 2.17 AU

Year: 1929 Days

Day: 8.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,175,095 km

• M1: 184,005 km (0.112 R)
• M2: 664,215 km (0.111 R)
• M3: 1,141,731 km (0.082 R)
• M4: 2,137,155 km (0.074 R)
• M5: 2,611,081 km (0.113 R)
• M6: 4,154,482 km (0.117 R)
• M7: 4,677,626 km (0.076 R)
• M8: 6,986,370 km (0.096 R)
• M9: 8,077,687 km (0.079 R)
• M10: 9,023,893 km (0.11 R)
• M11: 11,770,660 km (0.078 R)
• M12: 14,767,404 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.3

Radius: 14.9

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.75 AU - 3.63 AU

Year: 3799 Days

Day: 12.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,175,095 km

• M1: 188,344 km (0.099 R)
• M2: 734,226 km (0.088 R)
• M3: 1,912,908 km (0.082 R)
• M4: 2,822,164 km (0.063 R)
• M5: 3,290,854 km (0.075 R)
• M6: 4,272,964 km (0.065 R)
• M7: 5,308,929 km (0.077 R)
• M8: 6,880,455 km (0.115 R)
• M9: 7,367,695 km (0.109 R)
• M10: 7,878,123 km (0.051 R)
• M11: 9,592,963 km (0.053 R)
• M12: 10,709,263 km (0.105 R)
• M13: 12,049,360 km (0.054 R)
• M14: 13,199,768 km (0.068 R)
• M15: 14,527,449 km (0.098 R)
• M16: 15,830,596 km (0.077 R)
• M17: 16,741,797 km (0.117 R)
• M18: 17,269,429 km (0.075 R)
• M19: 19,686,033 km (0.049 R)
• M20: 21,417,478 km (0.06 R)
• M21: 23,979,791 km (0.106 R)
• M22: 24,500,840 km (0.12 R)
• M23: 26,109,466 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.3

Radius: 8.7

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.3 AU - 5.84 AU

Year: 8766 Days

Day: 8.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,175,095 km

• M1: 108,309 km (0.093 R)
• M2: 563,386 km (0.093 R)
• M3: 2,282,714 km (0.063 R)
• M4: 2,621,703 km (0.06 R)
• M5: 3,492,362 km (0.111 R)
• M6: 4,328,764 km (0.067 R)
• M7: 5,323,141 km (0.056 R)
• M8: 9,304,988 km (0.081 R)
• M9: 10,850,483 km (0.092 R)
• M10: 12,130,143 km (0.079 R)
• M11: 17,915,093 km (0.06 R)
• M12: 21,672,094 km (0.064 R)
• M13: 25,309,566 km (0.1 R)
• M14: 26,100,640 km (0.084 R)
• M15: 27,547,700 km (0.101 R)
• M16: 33,138,023 km (0.114 R)
• M17: 34,725,705 km (0.061 R)
• M18: 37,938,020 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.3

Radius: 4.5

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.23 AU - 8.65 AU

Year: 12192 Days

Day: 24.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,175,095 km

• M1: 60,138 km (0.102 R)
• M2: 202,256 km (0.085 R)
• M3: 486,193 km (0.116 R)
• M4: 708,645 km (0.111 R)
• M5: 889,958 km (0.113 R)
• M6: 1,441,226 km (0.109 R)
• M7: 1,933,403 km (0.109 R)
• M8: 2,957,999 km (0.114 R)
• M9: 3,117,769 km (0.108 R)
• M10: 3,368,196 km (0.117 R)
• M11: 3,520,337 km (0.083 R)
• M12: 3,677,116 km (0.096 R)
• M13: 3,885,505 km (0.104 R)
• M14: 4,376,935 km (0.102 R)
• M15: 6,261,120 km (0.075 R)
• M16: 8,505,537 km (0.058 R)
• M17: 9,544,943 km (0.025 R)
• M18: 9,850,571 km (0.071 R)
• M19: 12,074,044 km (0.114 R)
• M20: 12,328,660 km (0.089 R)
• M21: 13,932,050 km (0.061 R)
• M22: 14,958,141 km (0.086 R)
• M23: 15,311,043 km (0.103 R)
• M24: 17,095,596 km (0.077 R)
• M25: 18,538,617 km (0.043 R)
• M26: 22,040,254 km (0.112 R)
• M27: 27,682,936 km (0.106 R)
• M28: 27,859,462 km (0.103 R)
• M29: 28,934,472 km (0.067 R)
• M30: 29,390,446 km (0.105 R)
• M31: 30,316,756 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 760.6

Radius: 7.4

Gravity: 13.89 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.18 AU - 10.28 AU

Year: 15745 Days

Day: 24.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,175,095 km

• M1: 92,152 km (0.069 R)
• M2: 377,286 km (0.114 R)
• M3: 722,259 km (0.092 R)
• M4: 1,204,412 km (0.031 R)
• M5: 2,524,763 km (0.055 R)
• M6: 3,773,008 km (0.108 R)
• M7: 4,226,289 km (0.08 R)
• M8: 5,845,537 km (0.105 R)
• M9: 6,452,755 km (0.107 R)
• M10: 11,131,727 km (0.071 R)
• M11: 14,222,718 km (0.088 R)
• M12: 15,772,403 km (0.067 R)
• M13: 17,187,449 km (0.085 R)
• M14: 18,009,190 km (0.069 R)
• M15: 18,429,859 km (0.08 R)
• M16: 20,088,002 km (0.102 R)
• M17: 24,922,556 km (0.109 R)
• M18: 25,235,066 km (0.067 R)
• M19: 26,619,744 km (0.063 R)
• M20: 31,682,136 km (0.112 R)
• M21: 32,295,188 km (0.107 R)
• M22: 32,666,789 km (0.045 R)
• M23: 34,181,617 km (0.072 R)
• M24: 34,826,384 km (0.113 R)
• M25: 38,727,149 km (0.055 R)
• M26: 39,006,448 km (0.073 R)
• M27: 39,852,424 km (0.12 R)
• M28: 47,065,435 km (0.082 R)
• M29: 47,703,021 km (0.086 R)
• M30: 55,101,833 km (0.086 R)
• M31: 56,704,026 km (0.096 R)
• M32: 62,844,270 km (0.065 R)
• M33: 63,811,720 km (0.11 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: 494 - 16,822 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit