🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.6

Radius: 14.7

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.38 AU - 1.64 AU

Year: 1217 Days

Day: 10 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,205,177 km

• M1: 182,809 km (0.115 R)
• M2: 650,003 km (0.105 R)
• M3: 1,174,942 km (0.119 R)
• M4: 2,113,818 km (0.072 R)
• M5: 2,885,145 km (0.093 R)
• M6: 3,399,462 km (0.117 R)
• M7: 4,072,503 km (0.117 R)
• M8: 4,708,144 km (0.047 R)
• M9: 5,375,351 km (0.104 R)
• M10: 5,975,986 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.9

Radius: 11.6

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.66 AU - 2.18 AU

Year: 1745 Days

Day: 9.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 138 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,205,177 km

• M1: 144,212 km (0.118 R)
• M2: 639,082 km (0.079 R)
• M3: 1,064,538 km (0.104 R)
• M4: 1,692,550 km (0.069 R)
• M5: 2,394,015 km (0.118 R)
• M6: 2,806,007 km (0.094 R)
• M7: 3,280,681 km (0.071 R)
• M8: 4,411,342 km (0.045 R)
• M9: 5,117,893 km (0.11 R)
• M10: 5,718,379 km (0.066 R)
• M11: 6,246,459 km (0.115 R)
• M12: 7,669,135 km (0.067 R)
• M13: 9,112,605 km (0.115 R)
• M14: 10,094,116 km (0.059 R)
• M15: 10,458,836 km (0.052 R)
• M16: 11,074,880 km (0.104 R)
• M17: 11,970,373 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.9

Radius: 15

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.94 AU - 2.2 AU

Year: 1954 Days

Day: 11 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,205,177 km

• M1: 186,549 km (0.031 R)
• M2: 888,312 km (0.044 R)
• M3: 1,701,377 km (0.103 R)
• M4: 2,993,902 km (0.052 R)
• M5: 3,782,881 km (0.082 R)
• M6: 4,283,286 km (0.078 R)
• M7: 5,033,669 km (0.116 R)
• M8: 6,595,172 km (0.113 R)
• M9: 7,110,985 km (0.071 R)
• M10: 7,935,718 km (0.059 R)
• M11: 9,580,248 km (0.068 R)
• M12: 11,152,372 km (0.087 R)
• M13: 12,459,558 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.6

Radius: 11.7

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.89 AU - 2.87 AU

Year: 2409 Days

Day: 10.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,205,177 km

• M1: 145,708 km (0.116 R)
• M2: 604,675 km (0.098 R)
• M3: 1,494,034 km (0.112 R)
• M4: 2,175,153 km (0.099 R)
• M5: 3,538,588 km (0.043 R)
• M6: 4,074,448 km (0.091 R)
• M7: 5,285,442 km (0.117 R)
• M8: 6,361,799 km (0.099 R)
• M9: 9,868,972 km (0.098 R)
• M10: 10,583,750 km (0.114 R)
• M11: 10,973,752 km (0.081 R)
• M12: 11,373,328 km (0.116 R)
• M13: 12,543,931 km (0.067 R)
• M14: 12,936,925 km (0.109 R)
• M15: 15,074,977 km (0.082 R)
• M16: 18,039,110 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.7

Radius: 12.4

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.92 AU - 4.26 AU

Year: 4462 Days

Day: 6.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,205,177 km

• M1: 154,385 km (0.101 R)
• M2: 872,006 km (0.099 R)
• M3: 1,647,821 km (0.104 R)
• M4: 2,859,414 km (0.1 R)
• M5: 5,183,716 km (0.063 R)
• M6: 7,229,467 km (0.083 R)
• M7: 11,702,892 km (0.072 R)
• M8: 13,143,220 km (0.069 R)
• M9: 13,839,598 km (0.065 R)
• M10: 15,353,828 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.9

Radius: 11.3

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.84 AU - 5.17 AU

Year: 7334 Days

Day: 7.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,205,177 km

• M1: 141,370 km (0.07 R)
• M2: 501,153 km (0.103 R)
• M3: 1,139,936 km (0.1 R)
• M4: 1,643,632 km (0.09 R)
• M5: 2,008,501 km (0.106 R)
• M6: 2,715,351 km (0.103 R)
• M7: 3,086,354 km (0.109 R)
• M8: 3,695,666 km (0.096 R)
• M9: 4,786,085 km (0.101 R)
• M10: 6,650,523 km (0.092 R)
• M11: 8,581,083 km (0.117 R)
• M12: 9,968,305 km (0.116 R)
• M13: 10,478,284 km (0.111 R)
• M14: 12,427,544 km (0.089 R)
• M15: 16,069,504 km (0.101 R)
• M16: 17,493,227 km (0.112 R)
• M17: 19,784,019 km (0.066 R)
• M18: 20,664,552 km (0.115 R)
• M19: 22,189,852 km (0.109 R)
• M20: 23,140,397 km (0.094 R)
• M21: 25,463,652 km (0.092 R)
• M22: 31,646,382 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.5

Radius: 8.9

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.44 AU - 5.94 AU

Year: 7756 Days

Day: 7.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,205,177 km

• M1: 110,702 km (0.112 R)
• M2: 695,780 km (0.103 R)
• M3: 1,150,408 km (0.08 R)
• M4: 1,523,206 km (0.071 R)
• M5: 1,922,931 km (0.095 R)
• M6: 2,580,563 km (0.076 R)
• M7: 4,268,027 km (0.057 R)
• M8: 5,068,226 km (0.1 R)
• M9: 5,545,144 km (0.077 R)
• M10: 5,822,798 km (0.105 R)
• M11: 6,558,071 km (0.037 R)
• M12: 8,035,650 km (0.029 R)
• M13: 8,908,703 km (0.082 R)
• M14: 10,128,225 km (0.113 R)
• M15: 11,545,066 km (0.107 R)
• M16: 13,384,521 km (0.092 R)
• M17: 14,296,171 km (0.113 R)
• M18: 15,520,629 km (0.092 R)
• M19: 18,482,667 km (0.061 R)
• M20: 19,167,526 km (0.046 R)
• M21: 19,676,309 km (0.065 R)
• M22: 20,522,135 km (0.071 R)
• M23: 23,783,219 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 666.7

Radius: 6.2

Gravity: 17.34 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.71 AU - 7.89 AU

Year: 11632 Days

Day: 21.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,205,177 km

• M1: 77,193 km (0.092 R)
• M2: 484,398 km (0.113 R)
• M3: 793,318 km (0.102 R)
• M4: 999,164 km (0.115 R)
• M5: 1,204,263 km (0.115 R)
• M6: 1,624,932 km (0.096 R)
• M7: 2,713,107 km (0.053 R)
• M8: 3,964,044 km (0.069 R)
• M9: 4,546,130 km (0.101 R)
• M10: 5,524,051 km (0.107 R)
• M11: 5,879,196 km (0.053 R)
• M12: 6,287,299 km (0.105 R)
• M13: 7,668,686 km (0.051 R)
• M14: 11,017,285 km (0.07 R)
• M15: 14,418,542 km (0.075 R)
• M16: 16,283,878 km (0.058 R)
• M17: 22,566,240 km (0.117 R)
• M18: 22,926,023 km (0.094 R)
• M19: 23,381,100 km (0.072 R)
• M20: 25,262,144 km (0.106 R)
• M21: 25,552,812 km (0.074 R)
• M22: 25,747,738 km (0.118 R)
• M23: 26,938,388 km (0.108 R)
• M24: 28,373,480 km (0.037 R)
• M25: 46,493,522 km (0.039 R)
• M26: 50,520,996 km (0.116 R)
• M27: 50,828,270 km (0.052 R)

Asteroid Belt

Center: 7.69 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.9

Radius: 7.3

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.31 AU - 9.85 AU

Year: 16487 Days

Day: 19 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,205,177 km

• M1: 94,097 km (0.089 R)
• M2: 365,168 km (0.07 R)
• M3: 741,257 km (0.101 R)
• M4: 1,038,808 km (0.033 R)
• M5: 2,240,079 km (0.067 R)
• M6: 3,172,672 km (0.036 R)
• M7: 3,747,875 km (0.07 R)
• M8: 4,106,611 km (0.106 R)
• M9: 6,285,953 km (0.11 R)
• M10: 7,997,652 km (0.033 R)
• M11: 13,105,222 km (0.099 R)
• M12: 16,921,464 km (0.065 R)
• M13: 17,653,147 km (0.109 R)
• M14: 18,342,195 km (0.099 R)
• M15: 23,301,963 km (0.073 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.7

Radius: 7.6

Gravity: 13.57 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 8 AU - 10.2 AU

Year: 18008 Days

Day: 17.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,205,177 km

• M1: 94,546 km (0.118 R)
• M2: 381,325 km (0.109 R)
• M3: 627,264 km (0.082 R)
• M4: 1,019,958 km (0.066 R)
• M5: 2,075,521 km (0.101 R)
• M6: 2,905,789 km (0.086 R)
• M7: 3,244,778 km (0.1 R)
• M8: 3,668,738 km (0.093 R)
• M9: 4,945,107 km (0.066 R)
• M10: 6,625,241 km (0.102 R)
• M11: 6,893,021 km (0.082 R)
• M12: 7,546,016 km (0.081 R)
• M13: 8,137,825 km (0.062 R)
• M14: 8,867,115 km (0.104 R)
• M15: 9,247,692 km (0.048 R)
• M16: 10,696,397 km (0.082 R)
• M17: 13,109,561 km (0.115 R)
• M18: 14,257,275 km (0.083 R)
• M19: 17,671,847 km (0.092 R)
• M20: 18,714,095 km (0.113 R)
• M21: 21,497,962 km (0.039 R)
• M22: 23,810,895 km (0.083 R)
• M23: 24,759,495 km (0.053 R)
• M24: 25,732,928 km (0.105 R)
• M25: 28,806,566 km (0.047 R)
• M26: 31,736,590 km (0.037 R)
• M27: 32,243,577 km (0.12 R)
• M28: 32,627,296 km (0.104 R)
• M29: 35,671,313 km (0.052 R)
• M30: 37,051,802 km (0.083 R)
• M31: 39,188,957 km (0.066 R)
• M32: 40,658,457 km (0.062 R)
• M33: 44,809,200 km (0.049 R)
• M34: 46,578,344 km (0.062 R)
• M35: 48,226,614 km (0.043 R)
• M36: 49,065,110 km (0.098 R)
• M37: 61,846,303 km (0.119 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 429 - 19,038 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit