🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.1

Radius: 8.5

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.91 AU - 1.47 AU

Year: 912 Days

Day: 8.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,861,223 km

• M1: 105,766 km (0.103 R)
• M2: 501,003 km (0.114 R)
• M3: 811,718 km (0.091 R)
• M4: 1,443,619 km (0.059 R)
• M5: 1,770,640 km (0.095 R)
• M6: 2,434,556 km (0.036 R)
• M7: 2,806,456 km (0.1 R)
• M8: 4,604,323 km (0.079 R)
• M9: 5,085,879 km (0.075 R)
• M10: 5,792,878 km (0.116 R)
• M11: 6,458,439 km (0.06 R)
• M12: 6,755,989 km (0.106 R)
• M13: 7,196,705 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.2

Radius: 10.3

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.57 AU - 2.77 AU

Year: 3067 Days

Day: 10.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,861,223 km

• M1: 128,056 km (0.091 R)
• M2: 456,872 km (0.035 R)
• M3: 868,715 km (0.094 R)
• M4: 1,432,250 km (0.07 R)
• M5: 3,824,320 km (0.079 R)
• M6: 4,355,093 km (0.072 R)
• M7: 4,749,284 km (0.087 R)
• M8: 5,210,494 km (0.091 R)
• M9: 5,840,450 km (0.091 R)
• M10: 6,247,057 km (0.092 R)
• M11: 6,827,497 km (0.025 R)
• M12: 7,279,283 km (0.081 R)
• M13: 8,037,894 km (0.115 R)
• M14: 8,542,038 km (0.108 R)
• M15: 10,046,095 km (0.077 R)
• M16: 10,561,460 km (0.094 R)
• M17: 12,446,244 km (0.072 R)
• M18: 13,202,760 km (0.096 R)
• M19: 14,244,260 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.7

Radius: 12.4

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.72 AU - 3.64 AU

Year: 3986 Days

Day: 7.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,861,223 km

• M1: 154,235 km (0.058 R)
• M2: 895,194 km (0.041 R)
• M3: 1,361,341 km (0.09 R)
• M4: 2,073,426 km (0.045 R)
• M5: 2,756,191 km (0.112 R)
• M6: 3,189,127 km (0.099 R)
• M7: 3,625,804 km (0.055 R)
• M8: 4,670,296 km (0.032 R)
• M9: 5,508,493 km (0.079 R)
• M10: 6,261,269 km (0.079 R)
• M11: 7,048,752 km (0.075 R)
• M12: 7,552,149 km (0.114 R)
• M13: 8,821,038 km (0.1 R)
• M14: 11,184,386 km (0.07 R)
• M15: 13,994,881 km (0.119 R)
• M16: 14,522,961 km (0.076 R)
• M17: 14,955,150 km (0.086 R)
• M18: 15,563,265 km (0.118 R)
• M19: 16,711,429 km (0.081 R)
• M20: 18,038,511 km (0.064 R)
• M21: 20,970,330 km (0.068 R)
• M22: 22,585,389 km (0.055 R)
• M23: 24,585,213 km (0.048 R)
• M24: 25,589,165 km (0.096 R)
• M25: 27,186,720 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.7

Radius: 14.2

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.95 AU - 3.97 AU

Year: 4524 Days

Day: 5.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,861,223 km

• M1: 176,675 km (0.104 R)
• M2: 904,469 km (0.115 R)
• M3: 1,373,458 km (0.118 R)
• M4: 2,050,089 km (0.098 R)
• M5: 2,514,142 km (0.08 R)
• M6: 2,978,194 km (0.115 R)
• M7: 3,421,752 km (0.063 R)
• M8: 3,952,675 km (0.108 R)
• M9: 4,444,553 km (0.059 R)
• M10: 5,207,651 km (0.105 R)
• M11: 5,801,106 km (0.11 R)
• M12: 6,260,820 km (0.04 R)
• M13: 9,435,736 km (0.092 R)
• M14: 10,571,633 km (0.063 R)
• M15: 11,260,681 km (0.056 R)
• M16: 12,824,427 km (0.115 R)
• M17: 13,459,021 km (0.115 R)
• M18: 14,633,365 km (0.098 R)
• M19: 15,489,962 km (0.119 R)
• M20: 16,041,978 km (0.09 R)
• M21: 18,200,077 km (0.114 R)
• M22: 20,944,001 km (0.094 R)
• M23: 23,734,301 km (0.054 R)
• M24: 25,829,269 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.7

Radius: 13.4

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.18 AU - 4.02 AU

Year: 4801 Days

Day: 5.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,861,223 km

• M1: 166,652 km (0.059 R)
• M2: 1,558,810 km (0.096 R)
• M3: 1,988,604 km (0.085 R)
• M4: 3,342,166 km (0.094 R)
• M5: 3,938,762 km (0.102 R)
• M6: 4,414,484 km (0.034 R)
• M7: 5,509,989 km (0.116 R)
• M8: 6,684,781 km (0.079 R)
• M9: 8,941,315 km (0.04 R)
• M10: 10,602,749 km (0.092 R)
• M11: 11,125,893 km (0.07 R)
• M12: 14,529,394 km (0.116 R)
• M13: 24,802,729 km (0.028 R)
• M14: 25,493,272 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.6

Radius: 8.2

Gravity: 13.36 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.58 AU - 4 AU

Year: 5186 Days

Day: 12 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,861,223 km

• M1: 103,073 km (0.046 R)
• M2: 401,521 km (0.09 R)
• M3: 668,553 km (0.047 R)
• M4: 977,772 km (0.049 R)
• M5: 1,293,573 km (0.083 R)
• M6: 1,677,591 km (0.087 R)
• M7: 2,862,555 km (0.112 R)
• M8: 4,002,491 km (0.103 R)
• M9: 4,634,542 km (0.046 R)
• M10: 6,967,222 km (0.114 R)
• M11: 8,150,242 km (0.11 R)
• M12: 9,079,544 km (0.093 R)
• M13: 9,722,665 km (0.119 R)
• M14: 10,441,632 km (0.027 R)
• M15: 10,908,677 km (0.101 R)
• M16: 13,675,639 km (0.114 R)
• M17: 15,943,243 km (0.11 R)
• M18: 16,751,820 km (0.079 R)
• M19: 17,784,045 km (0.105 R)
• M20: 22,110,116 km (0.092 R)
• M21: 22,493,087 km (0.087 R)
• M22: 22,802,755 km (0.085 R)
• M23: 28,061,120 km (0.103 R)
• M24: 28,963,943 km (0.075 R)
• M25: 29,607,363 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178

Radius: 6.2

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.79 AU - 5.93 AU

Year: 9971 Days

Day: 20.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,861,223 km

• M1: 80,035 km (0.062 R)
• M2: 414,835 km (0.112 R)
• M3: 1,151,604 km (0.053 R)
• M4: 1,996,982 km (0.109 R)
• M5: 2,191,310 km (0.107 R)
• M6: 2,688,872 km (0.089 R)
• M7: 4,285,231 km (0.103 R)
• M8: 6,989,063 km (0.092 R)
• M9: 7,334,634 km (0.11 R)
• M10: 9,318,152 km (0.052 R)
• M11: 11,208,022 km (0.065 R)
• M12: 12,070,005 km (0.08 R)
• M13: 16,320,529 km (0.051 R)
• M14: 17,805,737 km (0.046 R)
• M15: 19,110,380 km (0.069 R)
• M16: 19,922,996 km (0.119 R)
• M17: 20,337,980 km (0.109 R)
• M18: 20,688,039 km (0.088 R)
• M19: 22,202,718 km (0.115 R)
• M20: 22,798,566 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.2

Radius: 5.3

Gravity: 24.61 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.09 AU - 7.55 AU

Year: 11168 Days

Day: 23.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,861,223 km

• M1: 65,973 km (0.117 R)
• M2: 240,404 km (0.11 R)
• M3: 1,152,652 km (0.091 R)
• M4: 1,392,756 km (0.096 R)
• M5: 2,097,362 km (0.098 R)
• M6: 2,281,966 km (0.114 R)
• M7: 4,870,607 km (0.063 R)
• M8: 7,291,550 km (0.071 R)
• M9: 7,980,598 km (0.08 R)
• M10: 8,618,333 km (0.103 R)
• M11: 9,994,783 km (0.087 R)
• M12: 10,789,447 km (0.054 R)
• M13: 11,398,460 km (0.077 R)
• M14: 12,265,380 km (0.092 R)
• M15: 13,362,680 km (0.075 R)
• M16: 13,806,537 km (0.047 R)
• M17: 14,723,722 km (0.104 R)
• M18: 15,334,380 km (0.097 R)
• M19: 17,193,283 km (0.107 R)
• M20: 18,331,424 km (0.105 R)
• M21: 20,840,928 km (0.081 R)
• M22: 22,576,263 km (0.084 R)
• M23: 23,387,533 km (0.089 R)
• M24: 25,452,582 km (0.118 R)
• M25: 26,134,150 km (0.036 R)
• M26: 29,088,408 km (0.066 R)
• M27: 35,048,986 km (0.106 R)
• M28: 36,135,814 km (0.086 R)
• M29: 41,506,079 km (0.102 R)
• M30: 46,224,545 km (0.103 R)
• M31: 47,238,370 km (0.094 R)
• M32: 47,677,440 km (0.029 R)
• M33: 49,310,600 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.9

Radius: 6.3

Gravity: 16.68 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.41 AU - 9.91 AU

Year: 16385 Days

Day: 15.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,861,223 km

• M1: 78,389 km (0.066 R)
• M2: 283,039 km (0.087 R)
• M3: 488,138 km (0.104 R)
• M4: 837,748 km (0.099 R)
• M5: 1,093,860 km (0.071 R)
• M6: 2,442,335 km (0.097 R)
• M7: 3,519,739 km (0.054 R)
• M8: 3,920,811 km (0.091 R)
• M9: 4,163,458 km (0.058 R)
• M10: 5,345,132 km (0.113 R)
• M11: 5,953,696 km (0.118 R)
• M12: 7,676,316 km (0.1 R)
• M13: 12,133,135 km (0.112 R)
• M14: 12,519,098 km (0.061 R)
• M15: 12,781,044 km (0.027 R)
• M16: 13,113,600 km (0.075 R)
• M17: 13,451,841 km (0.06 R)
• M18: 17,812,469 km (0.101 R)
• M19: 19,686,781 km (0.052 R)
• M20: 20,309,706 km (0.082 R)
• M21: 24,939,910 km (0.081 R)
• M22: 25,774,367 km (0.088 R)
• M23: 27,388,827 km (0.094 R)
• M24: 28,841,572 km (0.088 R)
• M25: 29,529,124 km (0.105 R)
• M26: 29,760,701 km (0.031 R)
• M27: 31,056,219 km (0.102 R)
• M28: 36,348,991 km (0.1 R)
• M29: 37,016,497 km (0.105 R)
• M30: 37,828,215 km (0.087 R)
• M31: 43,396,547 km (0.111 R)
• M32: 52,480,878 km (0.071 R)
• M33: 59,009,329 km (0.084 R)
• M34: 62,753,913 km (0.085 R)
• M35: 63,521,350 km (0.1 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 16,188 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit