🌌 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: 354.2

Radius: 13.6

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.52 AU - 0.74 AU

Year: 333 Days

Day: 5.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,093,231 km

• M1: 169,195 km (0.093 R)
• M2: 607,218 km (0.072 R)
• M3: 1,061,247 km (0.094 R)
• M4: 1,495,081 km (0.089 R)
• M5: 2,015,383 km (0.116 R)
• M6: 2,480,034 km (0.044 R)
• M7: 3,170,278 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.3

Radius: 14

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.4 AU - 2.3 AU

Year: 1678 Days

Day: 7.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,093,231 km

• M1: 248,482 km (0.116 R)
• M2: 1,138,141 km (0.112 R)
• M3: 1,723,966 km (0.077 R)
• M4: 2,607,491 km (0.119 R)
• M5: 3,661,557 km (0.105 R)
• M6: 5,267,790 km (0.075 R)
• M7: 6,666,231 km (0.086 R)
• M8: 8,499,253 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.5

Radius: 9.3

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.57 AU - 4.43 AU

Year: 5335 Days

Day: 8.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,093,231 km

• M1: 115,639 km (0.119 R)
• M2: 1,009,786 km (0.111 R)
• M3: 1,925,175 km (0.099 R)
• M4: 2,922,993 km (0.036 R)
• M5: 3,316,734 km (0.097 R)
• M6: 4,211,180 km (0.117 R)
• M7: 4,738,812 km (0.057 R)
• M8: 5,679,483 km (0.12 R)
• M9: 6,324,100 km (0.078 R)
• M10: 6,954,506 km (0.067 R)
• M11: 9,061,442 km (0.079 R)
• M12: 10,260,469 km (0.07 R)
• M13: 10,710,460 km (0.092 R)
• M14: 11,259,035 km (0.062 R)
• M15: 12,596,739 km (0.108 R)
• M16: 14,541,063 km (0.033 R)
• M17: 16,179,608 km (0.036 R)
• M18: 17,879,190 km (0.075 R)
• M19: 18,471,298 km (0.102 R)
• M20: 21,964,109 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539.3

Radius: 5.5

Gravity: 17.83 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.89 AU - 7.99 AU

Year: 10898 Days

Day: 18.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,093,231 km

• M1: 69,264 km (0.049 R)
• M2: 267,331 km (0.108 R)
• M3: 1,174,792 km (0.088 R)
• M4: 1,859,651 km (0.09 R)
• M5: 2,109,779 km (0.079 R)
• M6: 3,041,474 km (0.082 R)
• M7: 4,220,754 km (0.072 R)
• M8: 6,168,070 km (0.093 R)
• M9: 6,687,474 km (0.056 R)
• M10: 8,113,141 km (0.057 R)
• M11: 9,059,497 km (0.076 R)
• M12: 9,729,995 km (0.088 R)
• M13: 10,178,041 km (0.064 R)
• M14: 12,453,275 km (0.081 R)
• M15: 13,281,299 km (0.097 R)
• M16: 14,850,132 km (0.068 R)
• M17: 16,122,312 km (0.115 R)
• M18: 16,468,781 km (0.117 R)
• M19: 16,890,946 km (0.101 R)
• M20: 18,501,367 km (0.098 R)
• M21: 21,352,852 km (0.074 R)
• M22: 24,484,235 km (0.107 R)
• M23: 26,541,355 km (0.108 R)
• M24: 27,121,645 km (0.099 R)
• M25: 28,307,807 km (0.051 R)
• M26: 29,734,821 km (0.043 R)
• M27: 32,073,035 km (0.108 R)
• M28: 32,401,104 km (0.067 R)
• M29: 35,805,802 km (0.068 R)
• M30: 39,944,277 km (0.116 R)
• M31: 42,521,699 km (0.059 R)
• M32: 43,315,914 km (0.098 R)
• M33: 45,207,729 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.9

Radius: 4.7

Gravity: 31.77 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.43 AU - 6.49 AU

Year: 10949 Days

Day: 19.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,093,231 km

• M1: 58,642 km (0.118 R)
• M2: 256,860 km (0.097 R)
• M3: 812,466 km (0.116 R)
• M4: 1,374,804 km (0.026 R)
• M5: 2,056,073 km (0.096 R)
• M6: 2,655,811 km (0.098 R)
• M7: 3,540,982 km (0.116 R)
• M8: 4,078,636 km (0.073 R)
• M9: 6,860,409 km (0.044 R)
• M10: 7,563,519 km (0.107 R)
• M11: 10,914,212 km (0.079 R)
• M12: 11,869,843 km (0.116 R)
• M13: 12,338,384 km (0.082 R)
• M14: 13,064,083 km (0.067 R)
• M15: 15,549,651 km (0.086 R)
• M16: 17,421,121 km (0.115 R)
• M17: 19,117,710 km (0.066 R)
• M18: 20,335,587 km (0.077 R)
• M19: 20,752,815 km (0.059 R)
• M20: 21,175,728 km (0.102 R)
• M21: 25,822,836 km (0.11 R)
• M22: 29,803,636 km (0.115 R)
• M23: 35,963,777 km (0.075 R)
• M24: 40,773,199 km (0.107 R)
• M25: 41,170,232 km (0.029 R)
• M26: 42,920,377 km (0.046 R)
• M27: 50,114,239 km (0.09 R)
• M28: 51,181,321 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.6

Radius: 4.1

Gravity: 14.61 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 9.23 AU - 10.09 AU

Year: 20021 Days

Day: 15.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,093,231 km

• M1: 51,013 km (0.102 R)
• M2: 233,373 km (0.117 R)
• M3: 439,519 km (0.108 R)
• M4: 798,105 km (0.099 R)
• M5: 1,368,970 km (0.113 R)
• M6: 2,046,499 km (0.056 R)
• M7: 2,593,429 km (0.102 R)
• M8: 2,969,817 km (0.095 R)
• M9: 3,207,678 km (0.066 R)
• M10: 3,588,105 km (0.118 R)
• M11: 4,288,073 km (0.093 R)
• M12: 7,606,005 km (0.079 R)
• M13: 7,960,851 km (0.047 R)
• M14: 11,492,258 km (0.072 R)
• M15: 13,953,891 km (0.1 R)
• M16: 15,098,763 km (0.03 R)
• M17: 18,508,099 km (0.071 R)
• M18: 21,074,301 km (0.109 R)
• M19: 24,531,358 km (0.092 R)
• M20: 25,696,875 km (0.098 R)
• M21: 28,665,046 km (0.111 R)
• M22: 31,175,598 km (0.036 R)
• M23: 31,400,593 km (0.117 R)
• M24: 33,474,468 km (0.086 R)
• M25: 40,374,221 km (0.113 R)
• M26: 42,408,154 km (0.081 R)
• M27: 47,565,840 km (0.087 R)
• M28: 49,221,439 km (0.044 R)
• M29: 50,140,569 km (0.045 R)
• M30: 51,855,110 km (0.11 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 19,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit