🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.3

Radius: 13.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1 AU - 1.26 AU

Year: 788 Days

Day: 11.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,499,849 km

• M1: 172,935 km (0.1 R)
• M2: 731,534 km (0.099 R)
• M3: 1,202,468 km (0.113 R)
• M4: 1,890,767 km (0.086 R)
• M5: 2,571,139 km (0.115 R)
• M6: 3,280,681 km (0.044 R)
• M7: 3,908,095 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.6

Radius: 13.3

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.34 AU - 1.42 AU

Year: 1063 Days

Day: 6.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,499,849 km

• M1: 165,455 km (0.113 R)
• M2: 776,862 km (0.112 R)
• M3: 1,745,807 km (0.035 R)
• M4: 2,413,014 km (0.059 R)
• M5: 4,262,343 km (0.071 R)
• M6: 5,265,995 km (0.072 R)
• M7: 5,683,373 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217

Radius: 8.5

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.72 AU - 1.82 AU

Year: 1545 Days

Day: 11.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,499,849 km

• M1: 106,514 km (0.072 R)
• M2: 419,173 km (0.064 R)
• M3: 775,366 km (0.111 R)
• M4: 1,275,471 km (0.106 R)
• M5: 1,783,356 km (0.095 R)
• M6: 2,683,786 km (0.071 R)
• M7: 3,174,766 km (0.089 R)
• M8: 3,905,552 km (0.053 R)
• M9: 4,657,131 km (0.096 R)
• M10: 5,196,880 km (0.095 R)
• M11: 5,482,164 km (0.03 R)
• M12: 6,315,723 km (0.059 R)
• M13: 7,348,846 km (0.084 R)
• M14: 8,361,025 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.7

Radius: 11.3

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2 AU - 2.48 AU

Year: 2199 Days

Day: 13.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 104.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,499,849 km

• M1: 141,968 km (0.04 R)
• M2: 606,320 km (0.118 R)
• M3: 1,106,426 km (0.112 R)
• M4: 1,679,087 km (0.077 R)
• M5: 2,068,191 km (0.08 R)
• M6: 2,594,476 km (0.083 R)
• M7: 3,616,229 km (0.096 R)
• M8: 4,255,611 km (0.103 R)
• M9: 4,670,595 km (0.1 R)
• M10: 7,593,289 km (0.102 R)
• M11: 8,263,637 km (0.073 R)
• M12: 8,762,097 km (0.108 R)
• M13: 9,342,836 km (0.09 R)
• M14: 10,278,421 km (0.093 R)
• M15: 10,994,247 km (0.117 R)
• M16: 12,298,291 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.8

Radius: 14.5

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.09 AU - 2.77 AU

Year: 2485 Days

Day: 9 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,499,849 km

• M1: 180,415 km (0.055 R)
• M2: 684,410 km (0.071 R)
• M3: 1,533,677 km (0.117 R)
• M4: 2,042,161 km (0.106 R)
• M5: 2,504,568 km (0.105 R)
• M6: 3,136,918 km (0.117 R)
• M7: 3,893,883 km (0.116 R)
• M8: 4,615,394 km (0.113 R)
• M9: 5,184,314 km (0.095 R)
• M10: 5,748,897 km (0.076 R)
• M11: 6,658,900 km (0.098 R)
• M12: 8,530,669 km (0.09 R)
• M13: 11,611,936 km (0.086 R)
• M14: 13,425,212 km (0.083 R)
• M15: 15,173,263 km (0.048 R)
• M16: 16,385,604 km (0.098 R)
• M17: 17,716,128 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.6

Radius: 13.3

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.29 AU - 3.01 AU

Year: 2830 Days

Day: 5.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,499,849 km

• M1: 165,455 km (0.087 R)
• M2: 792,869 km (0.114 R)
• M3: 1,263,952 km (0.102 R)
• M4: 1,806,993 km (0.112 R)
• M5: 2,235,441 km (0.063 R)
• M6: 2,701,438 km (0.1 R)
• M7: 3,197,355 km (0.055 R)
• M8: 3,773,756 km (0.106 R)
• M9: 4,944,359 km (0.063 R)
• M10: 5,511,335 km (0.093 R)
• M11: 6,288,047 km (0.114 R)
• M12: 7,414,818 km (0.071 R)
• M13: 8,126,306 km (0.115 R)
• M14: 8,954,031 km (0.098 R)
• M15: 10,858,561 km (0.088 R)
• M16: 12,928,547 km (0.026 R)
• M17: 17,610,512 km (0.032 R)
• M18: 18,996,237 km (0.094 R)
• M19: 20,267,370 km (0.107 R)
• M20: 20,892,240 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.4

Radius: 10.2

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3 AU - 4.62 AU

Year: 4879 Days

Day: 7 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,499,849 km

• M1: 183,257 km (0.079 R)
• M2: 828,473 km (0.089 R)
• M3: 1,186,012 km (0.079 R)
• M4: 1,883,288 km (0.092 R)
• M5: 2,550,644 km (0.078 R)
• M6: 4,329,063 km (0.029 R)
• M7: 5,683,522 km (0.11 R)
• M8: 6,143,087 km (0.067 R)
• M9: 7,536,292 km (0.077 R)
• M10: 9,841,894 km (0.057 R)
• M11: 10,849,137 km (0.119 R)
• M12: 13,165,959 km (0.079 R)
• M13: 15,407,234 km (0.11 R)
• M14: 16,132,036 km (0.098 R)
• M15: 19,388,482 km (0.112 R)
• M16: 20,899,870 km (0.109 R)
• M17: 21,238,559 km (0.108 R)
• M18: 23,566,601 km (0.053 R)
• M19: 24,007,466 km (0.066 R)
• M20: 24,603,763 km (0.11 R)
• M21: 25,057,494 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.9

Radius: 9.5

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.81 AU - 5.91 AU

Year: 9306 Days

Day: 6.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,499,849 km

• M1: 118,182 km (0.096 R)
• M2: 446,998 km (0.064 R)
• M3: 2,183,381 km (0.119 R)
• M4: 2,675,259 km (0.107 R)
• M5: 3,365,653 km (0.062 R)
• M6: 3,952,077 km (0.11 R)
• M7: 7,357,971 km (0.1 R)
• M8: 8,266,778 km (0.114 R)
• M9: 8,707,494 km (0.102 R)
• M10: 9,376,495 km (0.1 R)
• M11: 11,198,897 km (0.116 R)
• M12: 11,738,945 km (0.068 R)
• M13: 13,354,752 km (0.11 R)
• M14: 15,834,187 km (0.104 R)
• M15: 33,133,236 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.4

Radius: 5.6

Gravity: 21.57 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.98 AU - 8.16 AU

Year: 11047 Days

Day: 23.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,499,849 km

• M1: 70,161 km (0.096 R)
• M2: 290,220 km (0.078 R)
• M3: 471,084 km (0.083 R)
• M4: 665,411 km (0.098 R)
• M5: 964,906 km (0.082 R)
• M6: 1,324,839 km (0.078 R)
• M7: 1,818,213 km (0.086 R)
• M8: 2,036,625 km (0.097 R)
• M9: 3,870,695 km (0.092 R)
• M10: 5,224,406 km (0.111 R)
• M11: 5,773,730 km (0.098 R)
• M12: 8,637,332 km (0.066 R)
• M13: 10,267,650 km (0.115 R)
• M14: 11,182,890 km (0.062 R)
• M15: 13,929,955 km (0.072 R)
• M16: 14,188,311 km (0.088 R)
• M17: 14,781,018 km (0.111 R)
• M18: 17,169,946 km (0.096 R)
• M19: 17,994,829 km (0.097 R)
• M20: 19,003,418 km (0.027 R)
• M21: 28,985,784 km (0.098 R)
• M22: 29,939,022 km (0.104 R)
• M23: 33,152,534 km (0.059 R)
• M24: 38,964,112 km (0.099 R)
• M25: 40,910,679 km (0.104 R)
• M26: 44,436,552 km (0.081 R)
• M27: 45,987,433 km (0.072 R)
• M28: 48,602,403 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.2

Radius: 6

Gravity: 13.56 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 8.27 AU - 8.53 AU

Year: 15971 Days

Day: 17.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,499,849 km

• M1: 74,949 km (0.107 R)
• M2: 1,237,474 km (0.087 R)
• M3: 1,732,343 km (0.104 R)
• M4: 3,280,532 km (0.061 R)
• M5: 4,013,561 km (0.093 R)
• M6: 4,372,447 km (0.082 R)
• M7: 5,541,853 km (0.109 R)
• M8: 6,535,931 km (0.102 R)
• M9: 6,906,335 km (0.115 R)
• M10: 7,377,718 km (0.036 R)
• M11: 8,289,667 km (0.049 R)
• M12: 9,377,094 km (0.118 R)
• M13: 10,612,323 km (0.069 R)
• M14: 13,076,799 km (0.105 R)
• M15: 17,411,846 km (0.117 R)
• M16: 17,725,553 km (0.088 R)
• M17: 18,853,670 km (0.084 R)
• M18: 24,135,971 km (0.055 R)
• M19: 27,693,857 km (0.092 R)
• M20: 28,445,138 km (0.077 R)
• M21: 31,586,394 km (0.1 R)
• M22: 33,120,520 km (0.039 R)
• M23: 37,757,306 km (0.108 R)
• M24: 39,483,964 km (0.12 R)
• M25: 42,242,100 km (0.081 R)
• M26: 46,465,547 km (0.094 R)
• M27: 47,984,863 km (0.092 R)
• M28: 50,166,898 km (0.085 R)
• M29: 51,927,216 km (0.116 R)
• M30: 52,414,307 km (0.053 R)
• M31: 56,250,744 km (0.098 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 15,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit