🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.8

Radius: 12.5

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.12 AU - 1.22 AU

Year: 858 Days

Day: 14.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 102.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,590,136 km

• M1: 155,582 km (0.034 R)
• M2: 590,912 km (0.08 R)
• M3: 1,029,084 km (0.105 R)
• M4: 1,450,351 km (0.118 R)
• M5: 1,918,144 km (0.051 R)
• M6: 2,737,791 km (0.092 R)
• M7: 3,503,283 km (0.066 R)
• M8: 3,893,434 km (0.112 R)
• M9: 4,533,863 km (0.103 R)
• M10: 5,172,795 km (0.052 R)
• M11: 5,681,428 km (0.064 R)
• M12: 6,364,043 km (0.109 R)
• M13: 7,232,758 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.1

Radius: 8.6

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.58 AU - 1.74 AU

Year: 1451 Days

Day: 5.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,590,136 km

• M1: 108,758 km (0.093 R)
• M2: 397,332 km (0.11 R)
• M3: 789,727 km (0.079 R)
• M4: 1,123,031 km (0.106 R)
• M5: 1,451,399 km (0.034 R)
• M6: 1,741,918 km (0.057 R)
• M7: 2,174,854 km (0.097 R)
• M8: 2,545,557 km (0.12 R)
• M9: 3,660,211 km (0.116 R)
• M10: 3,952,825 km (0.111 R)
• M11: 5,134,498 km (0.095 R)
• M12: 6,051,234 km (0.103 R)
• M13: 6,712,008 km (0.104 R)
• M14: 8,861,579 km (0.078 R)
• M15: 12,987,788 km (0.106 R)
• M16: 13,468,296 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.7

Radius: 13.4

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.83 AU - 2.15 AU

Year: 1904 Days

Day: 11.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,590,136 km

• M1: 166,652 km (0.07 R)
• M2: 677,379 km (0.081 R)
• M3: 1,234,930 km (0.049 R)
• M4: 2,015,083 km (0.055 R)
• M5: 2,531,495 km (0.039 R)
• M6: 3,297,735 km (0.092 R)
• M7: 4,155,530 km (0.085 R)
• M8: 4,849,664 km (0.118 R)
• M9: 6,160,740 km (0.092 R)
• M10: 7,177,107 km (0.104 R)
• M11: 8,681,164 km (0.099 R)
• M12: 9,679,281 km (0.095 R)
• M13: 11,051,692 km (0.077 R)
• M14: 12,143,308 km (0.08 R)
• M15: 13,958,080 km (0.105 R)
• M16: 14,586,241 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.5

Radius: 13.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.9 AU - 2.32 AU

Year: 2079 Days

Day: 11.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,590,136 km

• M1: 169,195 km (0.12 R)
• M2: 598,541 km (0.118 R)
• M3: 1,154,596 km (0.089 R)
• M4: 1,682,078 km (0.032 R)
• M5: 2,197,294 km (0.1 R)
• M6: 2,746,617 km (0.088 R)
• M7: 3,321,970 km (0.099 R)
• M8: 4,182,457 km (0.055 R)
• M9: 4,821,390 km (0.092 R)
• M10: 6,707,370 km (0.081 R)
• M11: 12,115,184 km (0.108 R)
• M12: 12,918,524 km (0.114 R)
• M13: 14,233,489 km (0.098 R)
• M14: 15,917,662 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.9

Radius: 12.7

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.48 AU - 3.4 AU

Year: 3419 Days

Day: 12.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,590,136 km

• M1: 157,975 km (0.112 R)
• M2: 609,312 km (0.041 R)
• M3: 1,098,348 km (0.1 R)
• M4: 2,391,023 km (0.104 R)
• M5: 2,917,607 km (0.066 R)
• M6: 3,537,242 km (0.054 R)
• M7: 4,335,645 km (0.088 R)
• M8: 5,619,943 km (0.071 R)
• M9: 8,216,214 km (0.109 R)
• M10: 8,776,159 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.3

Radius: 12.7

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.98 AU - 3.3 AU

Year: 3774 Days

Day: 13.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,590,136 km

• M1: 158,125 km (0.109 R)
• M2: 562,039 km (0.086 R)
• M3: 1,017,864 km (0.096 R)
• M4: 1,570,329 km (0.107 R)
• M5: 3,333,639 km (0.062 R)
• M6: 7,618,870 km (0.114 R)
• M7: 8,516,158 km (0.105 R)
• M8: 9,637,394 km (0.093 R)
• M9: 15,388,535 km (0.094 R)
• M10: 21,987,745 km (0.086 R)
• M11: 23,022,664 km (0.103 R)

Asteroid Belt

Center: 4.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.7

Radius: 5.1

Gravity: 23.83 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.39 AU - 7.51 AU

Year: 11110 Days

Day: 18.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,590,136 km

• M1: 63,429 km (0.072 R)
• M2: 227,688 km (0.111 R)
• M3: 485,146 km (0.117 R)
• M4: 839,394 km (0.077 R)
• M5: 1,660,536 km (0.105 R)
• M6: 2,102,897 km (0.12 R)
• M7: 2,620,207 km (0.107 R)
• M8: 3,411,879 km (0.095 R)
• M9: 3,930,235 km (0.075 R)
• M10: 4,529,225 km (0.109 R)
• M11: 5,057,156 km (0.094 R)
• M12: 8,236,859 km (0.052 R)
• M13: 8,417,124 km (0.044 R)
• M14: 8,600,082 km (0.066 R)
• M15: 8,926,655 km (0.03 R)
• M16: 10,953,107 km (0.115 R)
• M17: 11,336,826 km (0.03 R)
• M18: 12,660,617 km (0.063 R)
• M19: 12,901,021 km (0.052 R)
• M20: 13,267,087 km (0.113 R)
• M21: 14,342,397 km (0.084 R)
• M22: 21,100,331 km (0.089 R)
• M23: 21,438,272 km (0.039 R)
• M24: 23,451,860 km (0.107 R)
• M25: 25,018,897 km (0.117 R)
• M26: 25,397,380 km (0.112 R)
• M27: 31,434,253 km (0.082 R)
• M28: 33,679,567 km (0.037 R)
• M29: 39,884,288 km (0.092 R)
• M30: 42,511,825 km (0.047 R)
• M31: 44,418,450 km (0.106 R)
• M32: 45,252,608 km (0.116 R)
• M33: 47,963,321 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.6

Radius: 7.7

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.58 AU - 6.8 AU

Year: 11736 Days

Day: 16.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,590,136 km

• M1: 98,435 km (0.116 R)
• M2: 420,220 km (0.085 R)
• M3: 661,821 km (0.079 R)
• M4: 945,907 km (0.081 R)
• M5: 2,021,666 km (0.105 R)
• M6: 2,944,684 km (0.095 R)
• M7: 4,225,691 km (0.081 R)
• M8: 4,651,746 km (0.114 R)
• M9: 6,270,245 km (0.098 R)
• M10: 6,753,745 km (0.112 R)
• M11: 9,778,764 km (0.106 R)
• M12: 12,024,078 km (0.076 R)
• M13: 13,604,131 km (0.109 R)
• M14: 15,441,043 km (0.089 R)
• M15: 16,580,530 km (0.091 R)
• M16: 18,813,279 km (0.087 R)
• M17: 20,038,186 km (0.108 R)
• M18: 23,454,553 km (0.04 R)
• M19: 29,467,639 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709

Radius: 5.8

Gravity: 21.08 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.46 AU - 8.48 AU

Year: 16719 Days

Day: 20.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,590,136 km

• M1: 72,405 km (0.062 R)
• M2: 284,535 km (0.117 R)
• M3: 497,114 km (0.104 R)
• M4: 798,703 km (0.086 R)
• M5: 1,075,459 km (0.091 R)
• M6: 1,400,236 km (0.097 R)
• M7: 2,144,336 km (0.086 R)
• M8: 2,777,584 km (0.098 R)
• M9: 5,346,777 km (0.103 R)
• M10: 7,760,090 km (0.084 R)
• M11: 8,197,963 km (0.104 R)
• M12: 11,423,742 km (0.109 R)
• M13: 12,509,224 km (0.104 R)
• M14: 15,106,393 km (0.12 R)
• M15: 20,046,563 km (0.069 R)
• M16: 23,075,920 km (0.095 R)
• M17: 23,675,957 km (0.041 R)
• M18: 24,183,842 km (0.06 R)
• M19: 24,389,090 km (0.107 R)
• M20: 25,011,717 km (0.113 R)
• M21: 27,385,386 km (0.1 R)
• M22: 27,720,336 km (0.098 R)
• M23: 28,057,829 km (0.106 R)
• M24: 34,874,704 km (0.075 R)
• M25: 46,410,196 km (0.054 R)
• M26: 52,339,957 km (0.054 R)
• M27: 52,855,770 km (0.092 R)
• M28: 59,126,165 km (0.09 R)
• M29: 59,312,265 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993.8

Radius: 5.5

Gravity: 32.85 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.25 AU - 10.61 AU

Year: 18100 Days

Day: 15.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,590,136 km

• M1: 69,713 km (0.105 R)
• M2: 1,742,965 km (0.108 R)
• M3: 6,742,226 km (0.102 R)
• M4: 7,068,799 km (0.114 R)
• M5: 7,260,134 km (0.107 R)
• M6: 10,562,358 km (0.066 R)
• M7: 10,875,915 km (0.104 R)
• M8: 11,195,605 km (0.111 R)
• M9: 12,960,112 km (0.091 R)
• M10: 14,058,310 km (0.097 R)
• M11: 15,376,268 km (0.112 R)
• M12: 18,345,336 km (0.062 R)
• M13: 19,073,878 km (0.086 R)
• M14: 20,011,408 km (0.099 R)
• M15: 21,474,924 km (0.118 R)
• M16: 21,978,171 km (0.085 R)
• M17: 26,291,227 km (0.076 R)
• M18: 26,867,030 km (0.116 R)
• M19: 27,805,906 km (0.094 R)
• M20: 31,264,160 km (0.112 R)
• M21: 34,311,020 km (0.101 R)
• M22: 39,919,743 km (0.109 R)
• M23: 46,109,654 km (0.114 R)
• M24: 48,823,958 km (0.05 R)
• M25: 58,768,776 km (0.08 R)
• M26: 61,148,279 km (0.112 R)
• M27: 63,591,063 km (0.11 R)
• M28: 66,310,154 km (0.098 R)
• M29: 67,590,861 km (0.108 R)
• M30: 69,323,952 km (0.117 R)
• M31: 70,422,150 km (0.049 R)
• M32: 70,864,511 km (0.084 R)
• M33: 72,427,809 km (0.111 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 19,350 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit