🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.51 AU - 0.69 AU

Year: 300 Days

Day: 22.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,585,396 km

• M1: 100,081 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202

Radius: 13.8

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.75 AU - 1.19 AU

Year: 617 Days

Day: 8.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,585,396 km

• M1: 171,888 km (0.055 R)
• M2: 464,950 km (0.111 R)
• M3: 747,391 km (0.098 R)
• M4: 1,060,799 km (0.055 R)
• M5: 1,330,972 km (0.111 R)
• M6: 1,874,162 km (0.079 R)
• M7: 2,369,331 km (0.078 R)
• M8: 2,840,864 km (0.025 R)
• M9: 3,303,570 km (0.106 R)
• M10: 4,032,560 km (0.05 R)
• M11: 4,375,887 km (0.113 R)
• M12: 4,668,650 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.3

Radius: 10.3

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.89 AU - 1.07 AU

Year: 626 Days

Day: 8.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,585,396 km

• M1: 132,693 km (0.096 R)
• M2: 405,261 km (0.064 R)
• M3: 598,541 km (0.058 R)
• M4: 851,511 km (0.101 R)
• M5: 1,126,173 km (0.098 R)
• M6: 1,444,966 km (0.105 R)
• M7: 1,637,498 km (0.087 R)
• M8: 1,936,245 km (0.111 R)
• M9: 2,153,013 km (0.068 R)
• M10: 2,406,282 km (0.063 R)
• M11: 2,957,849 km (0.102 R)
• M12: 3,362,063 km (0.082 R)
• M13: 3,609,348 km (0.035 R)
• M14: 4,174,678 km (0.064 R)
• M15: 4,450,836 km (0.048 R)
• M16: 4,643,817 km (0.107 R)
• M17: 4,887,961 km (0.12 R)
• M18: 5,248,043 km (0.086 R)
• M19: 5,786,894 km (0.116 R)
• M20: 6,007,402 km (0.061 R)
• M21: 6,379,751 km (0.09 R)
• M22: 6,805,357 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.4

Radius: 9

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.97 AU - 1.35 AU

Year: 807 Days

Day: 8.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 160 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,585,396 km

• M1: 115,789 km (0.065 R)
• M2: 575,054 km (0.047 R)
• M3: 780,751 km (0.092 R)
• M4: 995,873 km (0.028 R)
• M5: 1,318,256 km (0.075 R)
• M6: 2,483,624 km (0.089 R)
• M7: 2,806,606 km (0.078 R)
• M8: 3,771,961 km (0.069 R)
• M9: 4,015,656 km (0.069 R)
• M10: 4,781,148 km (0.113 R)
• M11: 6,174,802 km (0.092 R)
• M12: 6,442,283 km (0.106 R)
• M13: 7,359,318 km (0.097 R)
• M14: 7,783,128 km (0.105 R)
• M15: 8,510,623 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.3

Radius: 11.7

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.52 AU - 2.44 AU

Year: 1799 Days

Day: 6.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 95.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 82,585,396 km

• M1: 145,559 km (0.027 R)
• M2: 530,773 km (0.042 R)
• M3: 788,830 km (0.082 R)
• M4: 1,057,956 km (0.117 R)
• M5: 1,286,242 km (0.102 R)
• M6: 1,549,684 km (0.096 R)
• M7: 1,808,937 km (0.116 R)
• M8: 2,262,518 km (0.094 R)
• M9: 2,616,317 km (0.11 R)
• M10: 2,863,004 km (0.079 R)
• M11: 3,233,558 km (0.119 R)
• M12: 3,464,387 km (0.072 R)
• M13: 3,733,963 km (0.085 R)
• M14: 4,190,536 km (0.12 R)
• M15: 4,830,066 km (0.081 R)
• M16: 5,077,501 km (0.08 R)
• M17: 5,877,252 km (0.084 R)
• M18: 7,136,267 km (0.043 R)
• M19: 7,947,088 km (0.116 R)
• M20: 8,357,584 km (0.082 R)
• M21: 8,969,140 km (0.117 R)
• M22: 9,852,217 km (0.116 R)
• M23: 10,516,132 km (0.112 R)
• M24: 11,993,112 km (0.092 R)
• M25: 12,754,116 km (0.065 R)
• M26: 13,274,567 km (0.109 R)
• M27: 13,509,286 km (0.031 R)
• M28: 14,135,204 km (0.113 R)
• M29: 14,468,807 km (0.066 R)
• M30: 14,930,167 km (0.1 R)
• M31: 15,746,971 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.5

Radius: 10.3

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.93 AU - 2.13 AU

Year: 1867 Days

Day: 9.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,585,396 km

• M1: 128,953 km (0.079 R)
• M2: 412,142 km (0.12 R)
• M3: 627,862 km (0.091 R)
• M4: 998,117 km (0.093 R)
• M5: 1,394,103 km (0.117 R)
• M6: 1,619,995 km (0.099 R)
• M7: 1,923,230 km (0.067 R)
• M8: 2,661,047 km (0.075 R)
• M9: 3,014,247 km (0.084 R)
• M10: 3,594,089 km (0.089 R)
• M11: 4,197,118 km (0.082 R)
• M12: 4,673,138 km (0.091 R)
• M13: 5,242,358 km (0.052 R)
• M14: 5,513,579 km (0.085 R)
• M15: 6,023,409 km (0.108 R)
• M16: 7,388,489 km (0.073 R)
• M17: 7,629,791 km (0.074 R)
• M18: 8,526,929 km (0.095 R)
• M19: 8,873,697 km (0.11 R)
• M20: 9,316,955 km (0.071 R)
• M21: 10,283,657 km (0.108 R)
• M22: 11,199,794 km (0.032 R)
• M23: 11,900,211 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.9

Radius: 9.8

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.83 AU - 2.99 AU

Year: 2416 Days

Day: 5 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 82,585,396 km

• M1: 139,874 km (0.087 R)
• M2: 351,405 km (0.074 R)
• M3: 587,022 km (0.114 R)
• M4: 774,618 km (0.09 R)
• M5: 986,149 km (0.08 R)
• M6: 1,279,361 km (0.106 R)
• M7: 1,575,714 km (0.113 R)
• M8: 1,993,691 km (0.117 R)
• M9: 2,514,441 km (0.118 R)
• M10: 2,706,525 km (0.099 R)
• M11: 2,960,542 km (0.078 R)
• M12: 3,504,181 km (0.12 R)
• M13: 3,919,315 km (0.109 R)
• M14: 4,442,458 km (0.118 R)
• M15: 5,217,076 km (0.095 R)
• M16: 7,192,965 km (0.084 R)
• M17: 9,566,784 km (0.114 R)
• M18: 10,434,302 km (0.045 R)
• M19: 10,723,175 km (0.113 R)
• M20: 11,339,818 km (0.025 R)
• M21: 11,751,511 km (0.083 R)
• M22: 12,425,599 km (0.084 R)
• M23: 13,294,763 km (0.09 R)
• M24: 13,591,116 km (0.046 R)
• M25: 14,840,707 km (0.079 R)
• M26: 16,145,500 km (0.029 R)
• M27: 16,373,786 km (0.071 R)
• M28: 16,570,807 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693

Radius: 10.5

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.44 AU - 6.7 AU

Year: 8488 Days

Day: 8.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,585,396 km

• M1: 159,621 km (0.113 R)
• M2: 359,783 km (0.119 R)
• M3: 1,315,713 km (0.099 R)
• M4: 2,307,697 km (0.074 R)
• M5: 2,839,966 km (0.08 R)
• M6: 3,382,857 km (0.074 R)
• M7: 3,672,927 km (0.069 R)
• M8: 4,210,282 km (0.066 R)
• M9: 5,043,692 km (0.11 R)
• M10: 7,789,262 km (0.107 R)
• M11: 8,839,289 km (0.107 R)
• M12: 10,882,048 km (0.104 R)
• M13: 14,152,258 km (0.05 R)
• M14: 16,185,592 km (0.11 R)
• M15: 16,822,430 km (0.104 R)
• M16: 17,308,174 km (0.086 R)
• M17: 18,133,356 km (0.075 R)
• M18: 20,843,920 km (0.069 R)
• M19: 21,505,741 km (0.051 R)
• M20: 22,177,884 km (0.103 R)
• M21: 23,111,375 km (0.087 R)
• M22: 24,710,127 km (0.065 R)
• M23: 25,233,122 km (0.118 R)
• M24: 27,930,371 km (0.084 R)
• M25: 29,828,918 km (0.088 R)
• M26: 30,910,660 km (0.045 R)
• M27: 37,326,464 km (0.049 R)
• M28: 38,780,256 km (0.081 R)
• M29: 41,013,154 km (0.074 R)
• M30: 41,349,300 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.6

Radius: 5.5

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.68 AU - 6.7 AU

Year: 11173 Days

Day: 18.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 82,585,396 km

• M1: 75,248 km (0.112 R)
• M2: 234,121 km (0.053 R)
• M3: 340,485 km (0.107 R)
• M4: 954,584 km (0.074 R)
• M5: 1,408,464 km (0.108 R)
• M6: 1,513,482 km (0.077 R)
• M7: 2,699,045 km (0.075 R)
• M8: 2,887,987 km (0.097 R)
• M9: 2,995,847 km (0.095 R)
• M10: 3,127,792 km (0.106 R)
• M11: 3,494,157 km (0.114 R)
• M12: 4,911,597 km (0.051 R)
• M13: 5,606,779 km (0.111 R)
• M14: 6,064,847 km (0.059 R)
• M15: 6,316,770 km (0.057 R)
• M16: 6,835,875 km (0.103 R)
• M17: 7,936,167 km (0.113 R)
• M18: 8,591,555 km (0.043 R)
• M19: 9,043,042 km (0.086 R)
• M20: 9,234,677 km (0.104 R)
• M21: 10,549,642 km (0.076 R)
• M22: 11,091,934 km (0.091 R)
• M23: 11,304,064 km (0.075 R)
• M24: 12,128,797 km (0.063 R)
• M25: 12,529,719 km (0.025 R)
• M26: 13,212,334 km (0.066 R)
• M27: 14,198,783 km (0.054 R)
• M28: 16,074,291 km (0.092 R)
• M29: 22,461,971 km (0.112 R)
• M30: 23,067,992 km (0.1 R)
• M31: 24,492,612 km (0.102 R)
• M32: 25,061,682 km (0.117 R)
• M33: 28,545,817 km (0.108 R)
• M34: 29,228,731 km (0.043 R)
• M35: 29,435,176 km (0.117 R)
• M36: 29,711,633 km (0.114 R)
• M37: 31,183,826 km (0.087 R)
• M38: 33,864,769 km (0.098 R)
• M39: 34,161,272 km (0.052 R)
• M40: 36,043,363 km (0.109 R)
• M41: 37,585,567 km (0.052 R)
• M42: 38,132,946 km (0.057 R)
• M43: 38,290,024 km (0.03 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.3

Radius: 7.3

Gravity: 14.47 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 9.66 AU - 10.92 AU

Year: 21313 Days

Day: 16.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 82,585,396 km

• M1: 155,432 km (0.116 R)
• M2: 835,355 km (0.054 R)
• M3: 1,572,124 km (0.056 R)
• M4: 2,763,671 km (0.105 R)
• M5: 4,763,645 km (0.12 R)
• M6: 6,512,295 km (0.119 R)
• M7: 9,909,662 km (0.078 R)
• M8: 14,161,832 km (0.105 R)
• M9: 14,366,931 km (0.102 R)
• M10: 14,573,675 km (0.074 R)
• M11: 15,273,195 km (0.108 R)
• M12: 15,486,222 km (0.092 R)
• M13: 15,989,170 km (0.088 R)
• M14: 16,426,744 km (0.057 R)
• M15: 16,870,301 km (0.041 R)
• M16: 18,313,771 km (0.093 R)
• M17: 19,256,238 km (0.084 R)
• M18: 19,655,963 km (0.097 R)
• M19: 20,879,824 km (0.082 R)
• M20: 21,212,380 km (0.082 R)
• M21: 21,463,554 km (0.051 R)
• M22: 22,140,634 km (0.097 R)
• M23: 24,057,133 km (0.077 R)
• M24: 27,460,484 km (0.114 R)
• M25: 31,190,857 km (0.104 R)
• M26: 31,699,490 km (0.038 R)
• M27: 33,354,640 km (0.077 R)
• M28: 34,623,829 km (0.086 R)
• M29: 35,591,129 km (0.102 R)
• M30: 36,462,387 km (0.119 R)
• M31: 37,566,120 km (0.09 R)
• M32: 40,167,477 km (0.12 R)
• M33: 40,976,502 km (0.116 R)
• M34: 42,618,788 km (0.062 R)
• M35: 47,489,246 km (0.066 R)
• M36: 48,242,621 km (0.088 R)
• M37: 50,925,958 km (0.119 R)
• M38: 64,265,300 km (0.077 R)
• M39: 65,728,816 km (0.047 R)
• M40: 67,059,938 km (0.119 R)
• M41: 67,208,788 km (0.107 R)
• M42: 69,611,031 km (0.113 R)
• M43: 70,370,390 km (0.108 R)
• M44: 71,286,976 km (0.12 R)
• M45: 71,747,588 km (0.088 R)
• M46: 79,642,316 km (0.076 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: 522 - 15,062 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit