🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.5

Radius: 9.4

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.59 AU - 0.81 AU

Year: 391 Days

Day: 5.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,646,024 km

• M1: 130,001 km (0.072 R)
• M2: 731,534 km (0.12 R)
• M3: 1,028,635 km (0.115 R)
• M4: 1,531,284 km (0.054 R)
• M5: 1,836,463 km (0.066 R)
• M6: 2,496,489 km (0.096 R)
• M7: 2,913,269 km (0.037 R)
• M8: 3,238,943 km (0.095 R)
• M9: 3,576,885 km (0.087 R)
• M10: 4,379,478 km (0.11 R)
• M11: 4,749,882 km (0.076 R)
• M12: 5,344,833 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.5

Radius: 9.6

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.73 AU - 0.81 AU

Year: 451 Days

Day: 13.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,646,024 km

• M1: 119,529 km (0.108 R)
• M2: 491,279 km (0.097 R)
• M3: 793,318 km (0.112 R)
• M4: 1,336,358 km (0.087 R)
• M5: 1,637,049 km (0.1 R)
• M6: 2,130,573 km (0.118 R)
• M7: 2,606,892 km (0.077 R)
• M8: 3,129,737 km (0.071 R)
• M9: 3,466,183 km (0.095 R)
• M10: 3,773,756 km (0.039 R)
• M11: 4,085,667 km (0.099 R)
• M12: 5,029,780 km (0.093 R)
• M13: 5,967,309 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.6

Radius: 11.2

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1 AU - 1.52 AU

Year: 943 Days

Day: 14.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,646,024 km

• M1: 139,276 km (0.07 R)
• M2: 686,804 km (0.09 R)
• M3: 1,056,759 km (0.069 R)
• M4: 1,515,726 km (0.118 R)
• M5: 1,919,341 km (0.096 R)
• M6: 2,859,115 km (0.044 R)
• M7: 3,256,596 km (0.028 R)
• M8: 4,230,029 km (0.111 R)
• M9: 4,986,546 km (0.084 R)
• M10: 5,466,456 km (0.104 R)
• M11: 6,190,061 km (0.106 R)
• M12: 6,813,884 km (0.105 R)
• M13: 7,165,140 km (0.114 R)
• M14: 7,528,513 km (0.055 R)
• M15: 8,135,581 km (0.103 R)
• M16: 8,774,962 km (0.069 R)
• M17: 9,737,774 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.8

Radius: 10.8

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.62 AU - 1.79 AU

Year: 1478 Days

Day: 8 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,646,024 km

• M1: 134,339 km (0.056 R)
• M2: 491,279 km (0.062 R)
• M3: 1,198,578 km (0.089 R)
• M4: 1,609,673 km (0.111 R)
• M5: 2,338,514 km (0.072 R)
• M6: 2,876,318 km (0.089 R)
• M7: 3,543,974 km (0.094 R)
• M8: 3,897,623 km (0.115 R)
• M9: 5,040,850 km (0.1 R)
• M10: 5,849,875 km (0.117 R)
• M11: 6,201,580 km (0.106 R)
• M12: 7,103,954 km (0.09 R)
• M13: 7,477,799 km (0.117 R)
• M14: 10,271,091 km (0.047 R)
• M15: 10,715,247 km (0.085 R)
• M16: 12,467,337 km (0.07 R)
• M17: 13,331,115 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.8

Radius: 14.3

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.45 AU - 2.89 AU

Year: 2909 Days

Day: 12.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,646,024 km

• M1: 184,753 km (0.117 R)
• M2: 662,719 km (0.099 R)
• M3: 1,240,316 km (0.103 R)
• M4: 2,058,018 km (0.099 R)
• M5: 3,423,697 km (0.11 R)
• M6: 4,091,651 km (0.039 R)
• M7: 8,677,424 km (0.099 R)
• M8: 9,829,478 km (0.049 R)
• M9: 10,278,870 km (0.063 R)
• M10: 10,775,535 km (0.09 R)
• M11: 12,473,919 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.6

Radius: 8.7

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.17 AU - 3.19 AU

Year: 2926 Days

Day: 12.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,646,024 km

• M1: 113,694 km (0.054 R)
• M2: 461,958 km (0.071 R)
• M3: 797,656 km (0.096 R)
• M4: 1,175,241 km (0.071 R)
• M5: 1,838,707 km (0.107 R)
• M6: 2,350,183 km (0.056 R)
• M7: 2,908,332 km (0.116 R)
• M8: 5,577,308 km (0.06 R)
• M9: 6,010,094 km (0.078 R)
• M10: 10,179,387 km (0.099 R)
• M11: 12,123,711 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.2

Radius: 10.6

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.73 AU - 3.53 AU

Year: 3693 Days

Day: 6.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,646,024 km

• M1: 131,796 km (0.066 R)
• M2: 711,338 km (0.094 R)
• M3: 1,075,908 km (0.101 R)
• M4: 1,660,088 km (0.102 R)
• M5: 2,122,345 km (0.119 R)
• M6: 2,492,899 km (0.1 R)
• M7: 2,994,800 km (0.068 R)
• M8: 4,003,239 km (0.1 R)
• M9: 5,276,766 km (0.118 R)
• M10: 6,079,059 km (0.102 R)
• M11: 6,897,210 km (0.119 R)
• M12: 7,316,533 km (0.052 R)
• M13: 7,718,652 km (0.102 R)
• M14: 8,640,923 km (0.066 R)
• M15: 9,167,208 km (0.077 R)
• M16: 9,556,013 km (0.077 R)
• M17: 10,661,242 km (0.078 R)
• M18: 14,698,140 km (0.111 R)
• M19: 20,040,729 km (0.105 R)
• M20: 21,845,627 km (0.086 R)
• M21: 22,681,580 km (0.108 R)
• M22: 23,107,485 km (0.07 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.6

Radius: 12.9

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.77 AU - 3.85 AU

Year: 4959 Days

Day: 10 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,646,024 km

• M1: 160,967 km (0.102 R)
• M2: 737,817 km (0.035 R)
• M3: 1,305,690 km (0.091 R)
• M4: 2,130,722 km (0.104 R)
• M5: 2,652,669 km (0.102 R)
• M6: 3,142,453 km (0.078 R)
• M7: 3,890,143 km (0.109 R)
• M8: 4,988,042 km (0.102 R)
• M9: 7,862,714 km (0.111 R)
• M10: 8,268,125 km (0.1 R)
• M11: 9,445,161 km (0.114 R)
• M12: 10,203,323 km (0.107 R)
• M13: 10,820,713 km (0.088 R)
• M14: 12,773,265 km (0.027 R)
• M15: 16,275,351 km (0.102 R)
• M16: 17,489,637 km (0.075 R)
• M17: 23,331,134 km (0.076 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.9

Radius: 14.5

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.16 AU - 5.38 AU

Year: 6947 Days

Day: 11.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,646,024 km

• M1: 183,108 km (0.088 R)
• M2: 849,118 km (0.104 R)
• M3: 1,411,755 km (0.051 R)
• M4: 1,913,207 km (0.096 R)
• M5: 2,393,716 km (0.062 R)
• M6: 3,078,275 km (0.07 R)
• M7: 4,040,040 km (0.12 R)
• M8: 4,564,530 km (0.116 R)
• M9: 6,012,338 km (0.093 R)
• M10: 7,173,367 km (0.12 R)
• M11: 7,709,077 km (0.039 R)
• M12: 8,605,169 km (0.061 R)
• M13: 10,459,434 km (0.088 R)
• M14: 11,200,542 km (0.092 R)
• M15: 13,010,228 km (0.08 R)
• M16: 13,520,207 km (0.051 R)
• M17: 17,135,239 km (0.102 R)
• M18: 18,236,280 km (0.094 R)
• M19: 19,457,148 km (0.083 R)
• M20: 20,050,154 km (0.087 R)
• M21: 21,981,762 km (0.08 R)
• M22: 23,781,723 km (0.1 R)
• M23: 25,326,172 km (0.109 R)
• M24: 25,855,449 km (0.053 R)
• M25: 30,261,405 km (0.055 R)
• M26: 30,957,933 km (0.108 R)
• M27: 32,279,630 km (0.119 R)
• M28: 34,926,914 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.4

Radius: 3.7

Gravity: 31.66 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.92 AU - 8.64 AU

Year: 14471 Days

Day: 22.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,646,024 km

• M1: 46,076 km (0.075 R)
• M2: 184,305 km (0.1 R)
• M3: 309,069 km (0.041 R)
• M4: 505,790 km (0.058 R)
• M5: 746,194 km (0.063 R)
• M6: 1,151,904 km (0.116 R)
• M7: 1,369,120 km (0.076 R)
• M8: 2,077,166 km (0.089 R)
• M9: 4,743,898 km (0.033 R)
• M10: 6,660,546 km (0.08 R)
• M11: 7,527,615 km (0.097 R)
• M12: 8,421,014 km (0.066 R)
• M13: 10,308,939 km (0.079 R)
• M14: 10,522,714 km (0.107 R)
• M15: 11,521,579 km (0.093 R)
• M16: 13,705,858 km (0.09 R)
• M17: 14,759,625 km (0.079 R)
• M18: 15,724,831 km (0.082 R)
• M19: 18,555,671 km (0.106 R)
• M20: 19,111,726 km (0.112 R)
• M21: 20,676,969 km (0.093 R)
• M22: 21,017,005 km (0.117 R)
• M23: 22,147,965 km (0.04 R)
• M24: 22,773,433 km (0.072 R)
• M25: 23,136,208 km (0.099 R)
• M26: 26,475,382 km (0.084 R)
• M27: 27,281,266 km (0.104 R)
• M28: 28,941,952 km (0.084 R)
• M29: 33,736,564 km (0.111 R)
• M30: 44,154,410 km (0.114 R)
• M31: 44,859,764 km (0.045 R)
• M32: 45,286,567 km (0.083 R)
• M33: 49,401,256 km (0.105 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 13,625 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit