🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.4

Radius: 14.9

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.5 AU - 0.52 AU

Year: 247 Days

Day: 10.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 46,144,204 km

• M1: 185,352 km (0.113 R)
• M2: 808,576 km (0.036 R)
• M3: 1,360,293 km (0.108 R)
• M4: 1,828,984 km (0.103 R)
• M5: 2,360,056 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.9

Radius: 10.9

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.47 AU - 0.67 AU

Year: 292 Days

Day: 9.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,144,204 km

• M1: 135,536 km (0.1 R)
• M2: 645,664 km (0.066 R)
• M3: 996,172 km (0.092 R)
• M4: 1,342,940 km (0.043 R)
• M5: 1,800,410 km (0.03 R)
• M6: 2,170,067 km (0.105 R)
• M7: 3,179,852 km (0.084 R)
• M8: 3,941,605 km (0.103 R)
• M9: 4,613,449 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.3

Radius: 13.9

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.48 AU - 1.5 AU

Year: 1234 Days

Day: 8.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,144,204 km

• M1: 174,730 km (0.12 R)
• M2: 624,422 km (0.074 R)
• M3: 1,164,320 km (0.111 R)
• M4: 2,238,433 km (0.119 R)
• M5: 3,006,319 km (0.064 R)
• M6: 3,662,156 km (0.06 R)
• M7: 6,286,402 km (0.095 R)
• M8: 6,740,730 km (0.025 R)
• M9: 7,192,666 km (0.081 R)
• M10: 9,323,388 km (0.1 R)
• M11: 10,007,200 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.9

Radius: 11

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.73 AU - 2.73 AU

Year: 2259 Days

Day: 7.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,144,204 km

• M1: 136,882 km (0.092 R)
• M2: 571,613 km (0.094 R)
• M3: 1,017,565 km (0.084 R)
• M4: 1,466,957 km (0.081 R)
• M5: 3,050,749 km (0.09 R)
• M6: 3,690,879 km (0.101 R)
• M7: 4,375,738 km (0.054 R)
• M8: 5,025,142 km (0.076 R)
• M9: 5,459,724 km (0.081 R)
• M10: 5,841,049 km (0.089 R)
• M11: 6,975,150 km (0.101 R)
• M12: 7,830,252 km (0.099 R)
• M13: 8,995,769 km (0.101 R)
• M14: 9,638,591 km (0.105 R)
• M15: 10,046,245 km (0.083 R)
• M16: 10,936,053 km (0.048 R)
• M17: 12,961,309 km (0.069 R)
• M18: 13,550,276 km (0.067 R)
• M19: 13,968,552 km (0.032 R)
• M20: 15,374,921 km (0.042 R)
• M21: 18,809,389 km (0.061 R)
• M22: 19,155,409 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.6

Radius: 11.1

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.31 AU - 4.21 AU

Year: 4945 Days

Day: 5.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,144,204 km

• M1: 140,024 km (0.119 R)
• M2: 732,132 km (0.046 R)
• M3: 1,239,418 km (0.108 R)
• M4: 1,770,790 km (0.088 R)
• M5: 2,120,550 km (0.116 R)
• M6: 2,517,134 km (0.082 R)
• M7: 3,855,137 km (0.107 R)
• M8: 5,887,574 km (0.094 R)
• M9: 6,418,497 km (0.108 R)
• M10: 9,192,789 km (0.037 R)
• M11: 10,125,831 km (0.076 R)
• M12: 11,787,265 km (0.093 R)
• M13: 13,463,659 km (0.058 R)
• M14: 14,001,613 km (0.111 R)
• M15: 14,609,878 km (0.105 R)
• M16: 17,536,012 km (0.089 R)
• M17: 19,713,858 km (0.071 R)
• M18: 22,066,434 km (0.099 R)
• M19: 23,657,407 km (0.087 R)
• M20: 24,125,649 km (0.071 R)
• M21: 24,839,679 km (0.093 R)
• M22: 28,010,705 km (0.042 R)
• M23: 30,147,113 km (0.117 R)
• M24: 30,513,328 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.8

Radius: 11.7

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.44 AU - 5.12 AU

Year: 6006 Days

Day: 11.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,144,204 km

• M1: 145,559 km (0.063 R)
• M2: 766,839 km (0.064 R)
• M3: 1,219,223 km (0.119 R)
• M4: 1,772,136 km (0.084 R)
• M5: 2,281,068 km (0.111 R)
• M6: 3,813,699 km (0.067 R)
• M7: 4,518,753 km (0.038 R)
• M8: 5,143,923 km (0.11 R)
• M9: 7,652,380 km (0.118 R)
• M10: 11,067,250 km (0.06 R)
• M11: 12,550,364 km (0.043 R)
• M12: 14,654,607 km (0.108 R)
• M13: 19,217,043 km (0.094 R)
• M14: 22,439,980 km (0.102 R)
• M15: 22,810,683 km (0.113 R)
• M16: 26,170,203 km (0.118 R)
• M17: 28,874,932 km (0.054 R)
• M18: 29,490,527 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.9

Radius: 13.9

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.54 AU - 5.4 AU

Year: 6410 Days

Day: 6.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,144,204 km

• M1: 172,935 km (0.036 R)
• M2: 786,436 km (0.107 R)
• M3: 1,996,533 km (0.07 R)
• M4: 2,641,001 km (0.077 R)
• M5: 3,096,526 km (0.106 R)
• M6: 4,168,993 km (0.032 R)
• M7: 5,052,070 km (0.104 R)
• M8: 7,041,123 km (0.113 R)
• M9: 7,494,704 km (0.117 R)
• M10: 8,008,124 km (0.112 R)
• M11: 12,559,938 km (0.027 R)
• M12: 14,397,897 km (0.11 R)
• M13: 18,459,480 km (0.055 R)
• M14: 19,325,502 km (0.038 R)
• M15: 19,843,110 km (0.098 R)
• M16: 20,675,174 km (0.099 R)
• M17: 22,247,597 km (0.079 R)
• M18: 24,753,810 km (0.095 R)
• M19: 35,556,721 km (0.064 R)
• M20: 36,671,674 km (0.112 R)
• M21: 39,324,493 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.9

Radius: 4.1

Gravity: 25.16 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.95 AU - 6.55 AU

Year: 10598 Days

Day: 20.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 46,144,204 km

• M1: 51,013 km (0.101 R)
• M2: 328,068 km (0.095 R)
• M3: 830,717 km (0.029 R)
• M4: 1,505,553 km (0.106 R)
• M5: 1,687,314 km (0.118 R)
• M6: 1,867,729 km (0.085 R)
• M7: 2,162,736 km (0.103 R)
• M8: 2,376,213 km (0.11 R)
• M9: 2,702,336 km (0.068 R)
• M10: 3,491,016 km (0.09 R)
• M11: 3,759,993 km (0.037 R)
• M12: 4,450,387 km (0.106 R)
• M13: 5,221,714 km (0.031 R)
• M14: 5,508,194 km (0.064 R)
• M15: 6,467,266 km (0.102 R)
• M16: 7,452,816 km (0.083 R)
• M17: 7,693,669 km (0.097 R)
• M18: 8,753,719 km (0.086 R)
• M19: 13,257,513 km (0.118 R)
• M20: 13,850,519 km (0.111 R)
• M21: 14,214,790 km (0.102 R)
• M22: 14,523,111 km (0.062 R)
• M23: 17,361,581 km (0.093 R)
• M24: 18,578,859 km (0.111 R)
• M25: 20,314,792 km (0.11 R)
• M26: 22,321,049 km (0.113 R)
• M27: 24,018,237 km (0.098 R)
• M28: 24,280,034 km (0.048 R)
• M29: 26,909,366 km (0.094 R)
• M30: 30,125,271 km (0.119 R)
• M31: 30,941,776 km (0.115 R)
• M32: 34,025,138 km (0.079 R)
• M33: 36,958,154 km (0.057 R)
• M34: 37,540,987 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.5

Radius: 6.3

Gravity: 18.33 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 7.1 AU - 10.64 AU

Year: 17917 Days

Day: 15.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 102.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,144,204 km

• M1: 78,389 km (0.116 R)
• M2: 297,999 km (0.079 R)
• M3: 564,882 km (0.093 R)
• M4: 921,373 km (0.076 R)
• M5: 1,677,291 km (0.109 R)
• M6: 2,123,093 km (0.106 R)
• M7: 2,552,289 km (0.099 R)
• M8: 2,935,858 km (0.062 R)
• M9: 6,956,600 km (0.067 R)
• M10: 8,299,839 km (0.036 R)
• M11: 10,036,970 km (0.093 R)
• M12: 10,269,894 km (0.115 R)
• M13: 12,870,204 km (0.112 R)
• M14: 15,258,534 km (0.065 R)
• M15: 15,644,497 km (0.088 R)
• M16: 17,253,571 km (0.097 R)
• M17: 17,756,968 km (0.091 R)
• M18: 19,236,790 km (0.107 R)
• M19: 19,596,573 km (0.102 R)
• M20: 28,693,021 km (0.085 R)
• M21: 30,117,492 km (0.12 R)
• M22: 34,806,039 km (0.038 R)
• M23: 43,097,651 km (0.104 R)
• M24: 46,236,513 km (0.045 R)
• M25: 54,384,810 km (0.069 R)
• M26: 64,036,715 km (0.089 R)
• M27: 64,236,578 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.8

Radius: 5.5

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 9.25 AU - 11.01 AU

Year: 21868 Days

Day: 16 Hours

Environment

Temp: -230 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,144,204 km

• M1: 68,366 km (0.08 R)
• M2: 271,670 km (0.055 R)
• M3: 453,880 km (0.07 R)
• M4: 925,861 km (0.106 R)
• M5: 1,606,681 km (0.109 R)
• M6: 2,095,118 km (0.041 R)
• M7: 3,290,704 km (0.095 R)
• M8: 5,423,072 km (0.082 R)
• M9: 5,827,884 km (0.068 R)
• M10: 6,180,337 km (0.098 R)
• M11: 10,475,441 km (0.066 R)
• M12: 10,890,875 km (0.095 R)
• M13: 11,425,687 km (0.087 R)
• M14: 19,120,403 km (0.102 R)
• M15: 23,925,636 km (0.05 R)
• M16: 30,829,877 km (0.036 R)
• M17: 33,545,827 km (0.042 R)
• M18: 35,249,597 km (0.102 R)
• M19: 38,216,272 km (0.09 R)
• M20: 41,602,420 km (0.087 R)
• M21: 42,250,777 km (0.068 R)
• M22: 46,006,132 km (0.114 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 12,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit