🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.2

Radius: 11.7

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.48 AU - 0.78 AU

Year: 333 Days

Day: 6.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,609,035 km

• M1: 145,559 km (0.076 R)
• M2: 519,105 km (0.056 R)
• M3: 892,800 km (0.05 R)
• M4: 1,374,206 km (0.086 R)
• M5: 2,027,799 km (0.068 R)
• M6: 2,449,216 km (0.119 R)
• M7: 3,041,026 km (0.115 R)
• M8: 3,426,988 km (0.117 R)
• M9: 4,273,114 km (0.1 R)
• M10: 4,773,818 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.4

Radius: 14.2

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.7 AU - 0.8 AU

Year: 433 Days

Day: 10.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,609,035 km

• M1: 177,423 km (0.113 R)
• M2: 629,508 km (0.075 R)
• M3: 1,164,470 km (0.113 R)
• M4: 2,329,089 km (0.065 R)
• M5: 2,788,205 km (0.049 R)
• M6: 3,643,606 km (0.086 R)
• M7: 4,472,677 km (0.113 R)
• M8: 4,964,256 km (0.046 R)
• M9: 5,912,557 km (0.086 R)
• M10: 6,468,462 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.2

Radius: 12.9

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.59 AU - 0.97 AU

Year: 459 Days

Day: 7.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,609,035 km

• M1: 160,519 km (0.036 R)
• M2: 673,639 km (0.112 R)
• M3: 1,355,506 km (0.093 R)
• M4: 1,764,956 km (0.118 R)
• M5: 2,509,355 km (0.093 R)
• M6: 2,966,675 km (0.032 R)
• M7: 3,467,080 km (0.072 R)
• M8: 4,164,954 km (0.057 R)
• M9: 4,608,961 km (0.109 R)
• M10: 5,150,505 km (0.107 R)
• M11: 5,593,016 km (0.08 R)
• M12: 6,116,758 km (0.091 R)
• M13: 6,574,677 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.2

Radius: 8.1

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.01 AU - 1.01 AU

Year: 677 Days

Day: 13.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,609,035 km

• M1: 100,829 km (0.112 R)
• M2: 364,720 km (0.116 R)
• M3: 625,768 km (0.094 R)
• M4: 937,979 km (0.054 R)
• M5: 1,190,500 km (0.102 R)
• M6: 1,504,057 km (0.045 R)
• M7: 1,829,732 km (0.076 R)
• M8: 2,549,148 km (0.08 R)
• M9: 2,827,101 km (0.1 R)
• M10: 3,275,894 km (0.12 R)
• M11: 3,646,598 km (0.091 R)
• M12: 4,015,506 km (0.051 R)
• M13: 5,099,642 km (0.046 R)
• M14: 5,841,049 km (0.089 R)
• M15: 6,652,468 km (0.092 R)
• M16: 7,096,175 km (0.098 R)
• M17: 7,424,991 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.1

Radius: 12.7

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.95 AU - 1.31 AU

Year: 801 Days

Day: 11.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,609,035 km

• M1: 157,975 km (0.091 R)
• M2: 658,530 km (0.078 R)
• M3: 1,142,928 km (0.11 R)
• M4: 1,657,844 km (0.069 R)
• M5: 2,229,307 km (0.1 R)
• M6: 2,626,939 km (0.065 R)
• M7: 3,024,570 km (0.059 R)
• M8: 3,745,631 km (0.041 R)
• M9: 5,125,073 km (0.117 R)
• M10: 5,902,384 km (0.09 R)
• M11: 6,571,386 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.2

Radius: 12.3

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.38 AU - 1.92 AU

Year: 1413 Days

Day: 11.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,609,035 km

• M1: 153,039 km (0.077 R)
• M2: 1,199,476 km (0.098 R)
• M3: 1,667,418 km (0.112 R)
• M4: 2,053,829 km (0.11 R)
• M5: 2,642,198 km (0.081 R)
• M6: 5,755,628 km (0.109 R)
• M7: 7,008,959 km (0.056 R)
• M8: 8,233,867 km (0.1 R)
• M9: 8,942,961 km (0.116 R)
• M10: 9,375,299 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.5

Radius: 12.3

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.26 AU - 2.78 AU

Year: 2668 Days

Day: 9.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,609,035 km

• M1: 153,039 km (0.103 R)
• M2: 568,322 km (0.089 R)
• M3: 975,378 km (0.094 R)
• M4: 1,544,448 km (0.04 R)
• M5: 2,593,877 km (0.099 R)
• M6: 4,029,119 km (0.049 R)
• M7: 4,571,861 km (0.049 R)
• M8: 5,287,088 km (0.102 R)
• M9: 5,966,113 km (0.094 R)
• M10: 6,643,791 km (0.1 R)
• M11: 7,185,335 km (0.098 R)
• M12: 9,206,253 km (0.109 R)
• M13: 9,880,341 km (0.12 R)
• M14: 13,188,399 km (0.036 R)
• M15: 14,687,369 km (0.065 R)
• M16: 17,508,785 km (0.119 R)
• M17: 19,377,263 km (0.09 R)
• M18: 20,359,672 km (0.116 R)
• M19: 21,699,321 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.8

Radius: 13.6

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.47 AU - 4.71 AU

Year: 6558 Days

Day: 12.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,609,035 km

• M1: 172,935 km (0.056 R)
• M2: 856,149 km (0.113 R)
• M3: 1,693,597 km (0.106 R)
• M4: 2,788,804 km (0.09 R)
• M5: 3,910,638 km (0.069 R)
• M6: 4,575,301 km (0.111 R)
• M7: 5,809,633 km (0.073 R)
• M8: 7,340,468 km (0.102 R)
• M9: 9,059,946 km (0.113 R)
• M10: 9,700,375 km (0.102 R)
• M11: 10,334,819 km (0.107 R)
• M12: 11,569,899 km (0.115 R)
• M13: 13,281,449 km (0.102 R)
• M14: 14,020,163 km (0.094 R)
• M15: 14,832,030 km (0.045 R)
• M16: 16,352,693 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.8

Radius: 5.5

Gravity: 29.41 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.2 AU - 6.8 AU

Year: 11051 Days

Day: 19.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 40,609,035 km

• M1: 68,366 km (0.115 R)
• M2: 388,655 km (0.102 R)
• M3: 721,511 km (0.04 R)
• M4: 1,402,181 km (0.057 R)
• M5: 1,668,166 km (0.048 R)
• M6: 2,401,195 km (0.081 R)
• M7: 2,739,137 km (0.097 R)
• M8: 2,965,927 km (0.096 R)
• M9: 3,406,044 km (0.032 R)
• M10: 5,156,339 km (0.095 R)
• M11: 5,538,562 km (0.081 R)
• M12: 6,128,127 km (0.073 R)
• M13: 11,593,985 km (0.112 R)
• M14: 12,371,445 km (0.095 R)
• M15: 14,364,687 km (0.095 R)
• M16: 14,705,022 km (0.096 R)
• M17: 15,543,967 km (0.088 R)
• M18: 15,975,108 km (0.069 R)
• M19: 17,547,232 km (0.114 R)
• M20: 21,257,708 km (0.082 R)
• M21: 21,522,197 km (0.091 R)
• M22: 23,717,845 km (0.11 R)
• M23: 24,002,380 km (0.116 R)
• M24: 25,558,647 km (0.083 R)
• M25: 25,757,761 km (0.09 R)
• M26: 28,763,033 km (0.069 R)
• M27: 29,851,208 km (0.091 R)
• M28: 31,420,340 km (0.094 R)
• M29: 32,225,177 km (0.105 R)
• M30: 33,517,553 km (0.111 R)
• M31: 38,770,233 km (0.071 R)
• M32: 39,829,386 km (0.108 R)
• M33: 40,231,355 km (0.107 R)
• M34: 43,545,995 km (0.101 R)
• M35: 43,972,649 km (0.083 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102

Radius: 5.2

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.29 AU - 12.15 AU

Year: 20208 Days

Day: 24.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,609,035 km

• M1: 65,075 km (0.112 R)
• M2: 434,881 km (0.105 R)
• M3: 777,311 km (0.048 R)
• M4: 1,237,773 km (0.064 R)
• M5: 1,893,909 km (0.084 R)
• M6: 2,271,943 km (0.104 R)
• M7: 2,563,360 km (0.114 R)
• M8: 4,718,766 km (0.105 R)
• M9: 5,411,404 km (0.03 R)
• M10: 6,308,093 km (0.115 R)
• M11: 6,520,074 km (0.082 R)
• M12: 8,735,020 km (0.027 R)
• M13: 9,132,352 km (0.076 R)
• M14: 9,495,575 km (0.078 R)
• M15: 12,258,947 km (0.088 R)
• M16: 12,982,552 km (0.084 R)
• M17: 14,090,923 km (0.088 R)
• M18: 15,579,272 km (0.102 R)
• M19: 15,772,403 km (0.085 R)
• M20: 19,978,796 km (0.089 R)
• M21: 23,415,358 km (0.091 R)
• M22: 24,095,430 km (0.109 R)
• M23: 31,124,136 km (0.09 R)
• M24: 36,385,942 km (0.079 R)
• M25: 39,883,540 km (0.119 R)
• M26: 40,609,090 km (0.097 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 14,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit