🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.5 AU - 0.74 AU

Year: 310 Days

Day: 14.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.2

Radius: 9.8

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.92 AU - 1.24 AU

Year: 714 Days

Day: 7.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,776,392 km

• M1: 122,072 km (0.092 R)
• M2: 441,164 km (0.091 R)
• M3: 775,366 km (0.061 R)
• M4: 1,092,214 km (0.084 R)
• M5: 2,069,836 km (0.102 R)
• M6: 2,407,479 km (0.108 R)
• M7: 2,758,136 km (0.09 R)
• M8: 3,355,630 km (0.076 R)
• M9: 4,419,570 km (0.119 R)
• M10: 4,860,884 km (0.088 R)
• M11: 5,201,817 km (0.051 R)
• M12: 6,259,175 km (0.098 R)
• M13: 6,883,148 km (0.1 R)
• M14: 7,291,101 km (0.068 R)
• M15: 8,205,144 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.2

Radius: 9.3

Gravity: 11.16 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.18 AU - 1.9 AU

Year: 1215 Days

Day: 11.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,776,392 km

• M1: 115,639 km (0.084 R)
• M2: 680,670 km (0.075 R)
• M3: 996,621 km (0.082 R)
• M4: 1,346,530 km (0.081 R)
• M5: 1,985,014 km (0.117 R)
• M6: 2,410,470 km (0.046 R)
• M7: 2,705,029 km (0.11 R)
• M8: 3,038,183 km (0.088 R)
• M9: 5,717,182 km (0.11 R)
• M10: 7,668,836 km (0.118 R)
• M11: 8,254,511 km (0.079 R)
• M12: 9,234,976 km (0.108 R)
• M13: 9,865,830 km (0.1 R)
• M14: 10,457,938 km (0.051 R)
• M15: 10,831,335 km (0.052 R)
• M16: 11,713,064 km (0.12 R)
• M17: 12,988,087 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.8

Radius: 8.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.21 AU - 3.01 AU

Year: 2681 Days

Day: 10 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,776,392 km

• M1: 103,223 km (0.081 R)
• M2: 565,630 km (0.062 R)
• M3: 911,051 km (0.074 R)
• M4: 1,404,724 km (0.107 R)
• M5: 1,878,949 km (0.07 R)
• M6: 2,923,142 km (0.109 R)
• M7: 4,143,562 km (0.074 R)
• M8: 5,249,240 km (0.099 R)
• M9: 6,590,833 km (0.05 R)
• M10: 7,437,258 km (0.065 R)
• M11: 8,384,063 km (0.108 R)
• M12: 8,778,253 km (0.035 R)
• M13: 9,473,584 km (0.108 R)
• M14: 9,768,442 km (0.078 R)
• M15: 10,137,201 km (0.119 R)
• M16: 10,584,797 km (0.089 R)
• M17: 12,391,790 km (0.06 R)
• M18: 13,843,937 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.1

Radius: 11.7

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.53 AU - 4.15 AU

Year: 3881 Days

Day: 9.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,776,392 km

• M1: 145,559 km (0.047 R)
• M2: 573,708 km (0.052 R)
• M3: 1,040,304 km (0.11 R)
• M4: 1,514,230 km (0.107 R)
• M5: 2,047,247 km (0.095 R)
• M6: 2,470,160 km (0.054 R)
• M7: 5,331,369 km (0.086 R)
• M8: 6,029,991 km (0.117 R)
• M9: 6,957,498 km (0.086 R)
• M10: 7,430,227 km (0.067 R)
• M11: 9,479,718 km (0.096 R)
• M12: 10,093,069 km (0.108 R)
• M13: 10,667,375 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.2

Radius: 13.2

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.96 AU - 4.32 AU

Year: 4416 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,776,392 km

• M1: 166,502 km (0.086 R)
• M2: 577,597 km (0.077 R)
• M3: 1,181,973 km (0.11 R)
• M4: 1,662,182 km (0.104 R)
• M5: 2,078,363 km (0.115 R)
• M6: 3,796,046 km (0.092 R)
• M7: 4,357,487 km (0.05 R)
• M8: 6,007,701 km (0.064 R)
• M9: 7,602,564 km (0.083 R)
• M10: 8,460,059 km (0.119 R)
• M11: 9,053,364 km (0.101 R)
• M12: 10,636,259 km (0.116 R)
• M13: 11,613,133 km (0.103 R)
• M14: 12,049,660 km (0.097 R)
• M15: 13,059,296 km (0.085 R)
• M16: 13,691,496 km (0.107 R)
• M17: 14,566,345 km (0.109 R)
• M18: 17,605,126 km (0.081 R)
• M19: 19,714,307 km (0.05 R)
• M20: 20,758,949 km (0.098 R)
• M21: 21,258,905 km (0.038 R)
• M22: 22,134,651 km (0.101 R)
• M23: 25,798,153 km (0.079 R)
• M24: 26,794,624 km (0.039 R)
• M25: 29,041,435 km (0.107 R)
• M26: 31,131,466 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.3

Radius: 8.5

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.97 AU - 4.99 AU

Year: 6029 Days

Day: 15 Hours

Environment

Temp: -209 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,776,392 km

• M1: 106,663 km (0.079 R)
• M2: 453,880 km (0.082 R)
• M3: 811,120 km (0.047 R)
• M4: 1,331,421 km (0.104 R)
• M5: 1,777,671 km (0.111 R)
• M6: 2,155,257 km (0.061 R)
• M7: 4,412,389 km (0.101 R)
• M8: 4,992,679 km (0.098 R)
• M9: 6,170,912 km (0.051 R)
• M10: 7,298,880 km (0.106 R)
• M11: 8,311,957 km (0.094 R)
• M12: 8,767,782 km (0.104 R)
• M13: 11,452,166 km (0.09 R)
• M14: 11,964,688 km (0.097 R)
• M15: 12,385,657 km (0.101 R)
• M16: 12,653,885 km (0.073 R)
• M17: 13,035,659 km (0.049 R)
• M18: 13,369,113 km (0.103 R)
• M19: 14,521,914 km (0.113 R)
• M20: 17,156,033 km (0.118 R)
• M21: 18,796,224 km (0.087 R)
• M22: 21,525,488 km (0.071 R)
• M23: 23,024,907 km (0.094 R)
• M24: 26,406,867 km (0.062 R)
• M25: 29,625,914 km (0.092 R)
• M26: 29,913,441 km (0.116 R)
• M27: 32,483,981 km (0.114 R)
• M28: 36,720,742 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563

Radius: 6.4

Gravity: 13.75 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.14 AU - 6.66 AU

Year: 10294 Days

Day: 16.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 45,776,392 km

• M1: 80,184 km (0.101 R)
• M2: 333,005 km (0.12 R)
• M3: 566,228 km (0.06 R)
• M4: 882,777 km (0.095 R)
• M5: 2,832,187 km (0.067 R)
• M6: 3,393,179 km (0.097 R)
• M7: 3,893,135 km (0.114 R)
• M8: 4,585,773 km (0.096 R)
• M9: 4,915,337 km (0.105 R)
• M10: 5,521,807 km (0.082 R)
• M11: 5,757,424 km (0.093 R)
• M12: 6,212,949 km (0.085 R)
• M13: 11,560,475 km (0.028 R)
• M14: 11,946,736 km (0.09 R)
• M15: 12,629,052 km (0.093 R)
• M16: 14,258,771 km (0.069 R)
• M17: 14,639,199 km (0.071 R)
• M18: 15,288,005 km (0.061 R)
• M19: 15,619,663 km (0.105 R)
• M20: 17,064,928 km (0.1 R)
• M21: 17,349,912 km (0.109 R)
• M22: 17,783,447 km (0.059 R)
• M23: 18,898,998 km (0.088 R)
• M24: 19,512,499 km (0.074 R)
• M25: 20,218,751 km (0.042 R)
• M26: 20,779,593 km (0.114 R)
• M27: 23,740,584 km (0.059 R)
• M28: 25,460,211 km (0.074 R)
• M29: 30,171,048 km (0.086 R)
• M30: 32,512,105 km (0.056 R)
• M31: 33,615,090 km (0.111 R)
• M32: 36,246,517 km (0.059 R)
• M33: 36,717,750 km (0.107 R)
• M34: 38,034,660 km (0.098 R)
• M35: 43,089,123 km (0.113 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 11,017 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit