🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.3

Radius: 9.7

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.43 AU - 0.61 AU

Year: 250 Days

Day: 13.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 98,126,024 km

• M1: 120,725 km (0.062 R)
• M2: 479,461 km (0.05 R)
• M3: 791,074 km (0.11 R)
• M4: 1,166,714 km (0.051 R)
• M5: 1,523,355 km (0.113 R)
• M6: 2,027,799 km (0.054 R)
• M7: 2,476,892 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.4

Radius: 8.5

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.52 AU - 0.84 AU

Year: 374 Days

Day: 12.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 98,126,024 km

• M1: 105,766 km (0.027 R)
• M2: 391,049 km (0.066 R)
• M3: 674,836 km (0.114 R)
• M4: 1,316,162 km (0.107 R)
• M5: 1,598,902 km (0.102 R)
• M6: 1,883,736 km (0.111 R)
• M7: 2,435,005 km (0.049 R)
• M8: 2,794,488 km (0.072 R)
• M9: 3,100,865 km (0.077 R)
• M10: 3,441,349 km (0.028 R)
• M11: 3,934,125 km (0.118 R)
• M12: 4,279,097 km (0.083 R)
• M13: 4,999,710 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680

Radius: 12.7

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.7 AU - 0.7 AU

Year: 391 Days

Day: 8.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 98,126,024 km

• M1: 157,975 km (0.106 R)
• M2: 625,917 km (0.108 R)
• M3: 1,341,893 km (0.094 R)
• M4: 2,477,191 km (0.079 R)
• M5: 4,698,420 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.5

Radius: 12.4

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.62 AU - 5.22 AU

Year: 6197 Days

Day: 13.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 98,126,024 km

• M1: 154,535 km (0.117 R)
• M2: 596,896 km (0.108 R)
• M3: 993,779 km (0.081 R)
• M4: 1,429,408 km (0.075 R)
• M5: 1,847,235 km (0.116 R)
• M6: 2,296,926 km (0.066 R)
• M7: 3,377,621 km (0.103 R)
• M8: 3,765,977 km (0.113 R)
• M9: 4,579,041 km (0.092 R)
• M10: 5,263,003 km (0.089 R)
• M11: 6,179,290 km (0.104 R)
• M12: 6,658,302 km (0.075 R)
• M13: 8,165,501 km (0.085 R)
• M14: 8,743,397 km (0.097 R)
• M15: 10,450,758 km (0.073 R)
• M16: 11,637,667 km (0.065 R)
• M17: 13,413,843 km (0.113 R)
• M18: 16,831,256 km (0.045 R)
• M19: 17,564,884 km (0.086 R)
• M20: 23,640,353 km (0.102 R)
• M21: 24,391,634 km (0.095 R)
• M22: 26,295,117 km (0.113 R)
• M23: 26,831,126 km (0.088 R)
• M24: 29,047,867 km (0.117 R)
• M25: 30,494,030 km (0.104 R)
• M26: 33,216,861 km (0.057 R)
• M27: 36,318,025 km (0.043 R)
• M28: 36,871,537 km (0.091 R)
• M29: 37,318,386 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.9

Radius: 10.5

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.12 AU - 6.32 AU

Year: 7953 Days

Day: 8.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 98,126,024 km

• M1: 130,898 km (0.114 R)
• M2: 476,918 km (0.096 R)
• M3: 1,200,673 km (0.066 R)
• M4: 1,806,095 km (0.073 R)
• M5: 2,300,217 km (0.088 R)
• M6: 3,397,966 km (0.12 R)
• M7: 3,731,420 km (0.106 R)
• M8: 5,237,122 km (0.11 R)
• M9: 5,598,401 km (0.117 R)
• M10: 6,066,044 km (0.109 R)
• M11: 6,848,740 km (0.089 R)
• M12: 7,247,718 km (0.118 R)
• M13: 9,893,506 km (0.119 R)
• M14: 13,074,405 km (0.087 R)
• M15: 15,824,313 km (0.097 R)
• M16: 17,303,986 km (0.065 R)
• M17: 18,938,492 km (0.069 R)
• M18: 25,234,468 km (0.116 R)
• M19: 27,002,116 km (0.068 R)
• M20: 28,508,567 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 529.3

Radius: 6.8

Gravity: 11.45 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 9.96 AU - 11.24 AU

Year: 23014 Days

Day: 20.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 148.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 98,126,024 km

• M1: 84,672 km (0.091 R)
• M2: 299,196 km (0.12 R)
• M3: 1,040,902 km (0.109 R)
• M4: 1,252,733 km (0.112 R)
• M5: 1,526,048 km (0.061 R)
• M6: 2,410,620 km (0.109 R)
• M7: 2,713,556 km (0.096 R)
• M8: 2,963,833 km (0.066 R)
• M9: 3,808,762 km (0.069 R)
• M10: 4,627,511 km (0.088 R)
• M11: 5,401,680 km (0.093 R)
• M12: 6,519,924 km (0.065 R)
• M13: 7,442,344 km (0.103 R)
• M14: 7,985,385 km (0.029 R)
• M15: 10,006,602 km (0.114 R)
• M16: 10,977,941 km (0.088 R)
• M17: 15,575,083 km (0.109 R)
• M18: 16,298,538 km (0.07 R)
• M19: 19,694,260 km (0.045 R)
• M20: 22,708,807 km (0.101 R)
• M21: 28,078,772 km (0.11 R)
• M22: 30,993,537 km (0.101 R)
• M23: 33,176,021 km (0.038 R)
• M24: 37,415,923 km (0.107 R)
• M25: 38,276,410 km (0.097 R)
• M26: 39,296,668 km (0.092 R)
• M27: 39,591,525 km (0.048 R)
• M28: 43,088,824 km (0.061 R)
• M29: 51,215,579 km (0.087 R)
• M30: 53,350,789 km (0.106 R)
• M31: 54,257,652 km (0.04 R)
• M32: 55,359,440 km (0.086 R)
• M33: 57,417,907 km (0.058 R)
• M34: 65,127,433 km (0.118 R)
• M35: 65,540,473 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.4

Radius: 8

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 9.88 AU - 11.38 AU

Year: 23112 Days

Day: 19.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 98,126,024 km

• M1: 99,632 km (0.052 R)
• M2: 364,420 km (0.067 R)
• M3: 1,031,029 km (0.027 R)
• M4: 1,666,221 km (0.104 R)
• M5: 2,263,266 km (0.096 R)
• M6: 3,596,034 km (0.117 R)
• M7: 5,307,433 km (0.088 R)
• M8: 8,441,658 km (0.116 R)
• M9: 8,827,471 km (0.054 R)
• M10: 13,883,131 km (0.101 R)
• M11: 14,813,780 km (0.119 R)
• M12: 16,202,646 km (0.12 R)
• M13: 17,409,901 km (0.072 R)
• M14: 19,426,480 km (0.116 R)
• M15: 24,027,064 km (0.065 R)
• M16: 31,485,265 km (0.113 R)
• M17: 32,413,520 km (0.066 R)
• M18: 39,581,353 km (0.052 R)
• M19: 41,921,512 km (0.09 R)
• M20: 44,187,621 km (0.105 R)
• M21: 46,533,914 km (0.119 R)
• M22: 47,737,728 km (0.119 R)
• M23: 48,259,974 km (0.089 R)
• M24: 48,962,186 km (0.062 R)
• M25: 49,315,836 km (0.11 R)
• M26: 58,720,904 km (0.111 R)
• M27: 62,172,426 km (0.107 R)
• M28: 63,212,730 km (0.06 R)
• M29: 65,114,418 km (0.092 R)
• M30: 69,923,092 km (0.076 R)
• M31: 70,822,026 km (0.089 R)
• M32: 74,495,252 km (0.07 R)
• M33: 84,483,453 km (0.163 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.9

Radius: 7.1

Gravity: 19.7 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 8.33 AU - 13.67 AU

Year: 24329 Days

Day: 19.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 98,126,024 km

• M1: 96,640 km (0.026 R)
• M2: 340,335 km (0.115 R)
• M3: 782,247 km (0.097 R)
• M4: 1,132,157 km (0.079 R)
• M5: 1,912,758 km (0.098 R)
• M6: 3,330,946 km (0.064 R)
• M7: 3,611,442 km (0.05 R)
• M8: 3,941,605 km (0.083 R)
• M9: 4,855,648 km (0.117 R)
• M10: 5,682,924 km (0.109 R)
• M11: 6,130,371 km (0.072 R)
• M12: 6,697,945 km (0.058 R)
• M13: 7,044,863 km (0.112 R)
• M14: 9,506,945 km (0.096 R)
• M15: 10,009,145 km (0.114 R)
• M16: 10,397,351 km (0.052 R)
• M17: 11,272,798 km (0.118 R)
• M18: 12,123,711 km (0.088 R)
• M19: 12,864,968 km (0.113 R)
• M20: 13,323,934 km (0.076 R)
• M21: 16,577,838 km (0.072 R)
• M22: 26,151,353 km (0.108 R)
• M23: 27,764,318 km (0.11 R)
• M24: 29,839,240 km (0.113 R)
• M25: 32,154,716 km (0.04 R)
• M26: 33,571,258 km (0.082 R)
• M27: 34,441,020 km (0.095 R)
• M28: 39,015,723 km (0.084 R)
• M29: 39,815,473 km (0.108 R)
• M30: 40,953,614 km (0.11 R)
• M31: 41,448,035 km (0.113 R)
• M32: 52,576,471 km (0.081 R)
• M33: 57,988,323 km (0.057 R)
• M34: 58,611,698 km (0.052 R)
• M35: 66,217,253 km (0.09 R)
• M36: 70,845,512 km (0.109 R)
• M37: 71,557,748 km (0.118 R)
• M38: 72,755,578 km (0.026 R)
• M39: 78,437,904 km (0.098 R)
• M40: 88,462,307 km (0.077 R)
• M41: 89,288,237 km (0.073 R)
• M42: 90,119,253 km (0.113 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 17,913 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit