🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.6

Radius: 9.9

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.3 AU - 1.32 AU

Year: 1054 Days

Day: 11.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,891,965 km

• M1: 124,465 km (0.111 R)
• M2: 446,101 km (0.111 R)
• M3: 793,318 km (0.102 R)
• M4: 1,124,378 km (0.112 R)
• M5: 1,885,532 km (0.099 R)
• M6: 2,374,417 km (0.052 R)
• M7: 2,897,412 km (0.069 R)
• M8: 3,265,422 km (0.079 R)
• M9: 3,678,911 km (0.084 R)
• M10: 4,050,063 km (0.094 R)
• M11: 5,541,554 km (0.049 R)
• M12: 6,485,217 km (0.083 R)
• M13: 7,346,602 km (0.079 R)
• M14: 7,721,344 km (0.084 R)
• M15: 8,133,487 km (0.103 R)
• M16: 8,662,913 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.4

Radius: 13.8

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.43 AU - 2.33 AU

Year: 1812 Days

Day: 13.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,891,965 km

• M1: 171,738 km (0.053 R)
• M2: 692,040 km (0.101 R)
• M3: 1,178,682 km (0.06 R)
• M4: 1,634,357 km (0.078 R)
• M5: 2,846,997 km (0.105 R)
• M6: 4,200,409 km (0.049 R)
• M7: 4,633,794 km (0.047 R)
• M8: 5,075,557 km (0.086 R)
• M9: 5,614,857 km (0.034 R)
• M10: 6,044,502 km (0.096 R)
• M11: 7,133,275 km (0.111 R)
• M12: 8,564,478 km (0.105 R)
• M13: 9,006,689 km (0.119 R)
• M14: 11,338,771 km (0.052 R)
• M15: 12,383,861 km (0.119 R)
• M16: 12,827,718 km (0.106 R)
• M17: 13,576,904 km (0.12 R)
• M18: 14,800,166 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.4

Radius: 9.1

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.57 AU - 2.49 AU

Year: 2033 Days

Day: 14 Hours

Environment

Temp: -195 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,891,965 km

• M1: 113,246 km (0.065 R)
• M2: 447,298 km (0.095 R)
• M3: 869,313 km (0.092 R)
• M4: 1,931,608 km (0.101 R)
• M5: 5,797,516 km (0.085 R)
• M6: 7,296,187 km (0.113 R)
• M7: 7,986,133 km (0.094 R)
• M8: 10,248,202 km (0.072 R)
• M9: 10,710,908 km (0.051 R)
• M10: 11,299,576 km (0.115 R)
• M11: 12,104,712 km (0.092 R)
• M12: 14,975,046 km (0.102 R)
• M13: 15,571,343 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.2

Radius: 9.6

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.31 AU - 2.61 AU

Year: 2712 Days

Day: 14.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,891,965 km

• M1: 119,828 km (0.115 R)
• M2: 627,713 km (0.1 R)
• M3: 1,074,711 km (0.05 R)
• M4: 1,411,606 km (0.034 R)
• M5: 1,840,353 km (0.064 R)
• M6: 2,244,566 km (0.083 R)
• M7: 2,572,934 km (0.075 R)
• M8: 3,141,555 km (0.085 R)
• M9: 3,757,151 km (0.095 R)
• M10: 5,810,680 km (0.066 R)
• M11: 6,893,619 km (0.115 R)
• M12: 7,566,062 km (0.055 R)
• M13: 7,961,449 km (0.088 R)
• M14: 8,640,773 km (0.077 R)
• M15: 10,387,777 km (0.12 R)
• M16: 11,271,452 km (0.104 R)
• M17: 11,862,812 km (0.114 R)
• M18: 12,204,493 km (0.114 R)
• M19: 13,107,466 km (0.111 R)
• M20: 14,181,280 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409

Radius: 14.4

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.44 AU - 4.72 AU

Year: 5793 Days

Day: 14.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,891,965 km

• M1: 180,415 km (0.086 R)
• M2: 1,696,290 km (0.106 R)
• M3: 2,258,629 km (0.106 R)
• M4: 3,035,790 km (0.089 R)
• M5: 3,832,697 km (0.096 R)
• M6: 5,021,103 km (0.039 R)
• M7: 5,560,702 km (0.058 R)
• M8: 9,294,665 km (0.118 R)
• M9: 10,280,814 km (0.034 R)
• M10: 11,472,511 km (0.081 R)
• M11: 14,501,868 km (0.113 R)
• M12: 17,476,322 km (0.101 R)
• M13: 19,562,465 km (0.097 R)
• M14: 22,523,904 km (0.111 R)

Asteroid Belt

Center: 5.15 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.5

Radius: 7.8

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.48 AU - 6.94 AU

Year: 10878 Days

Day: 19.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,891,965 km

• M1: 371,900 km (0.109 R)
• M2: 1,044,492 km (0.105 R)
• M3: 1,311,225 km (0.068 R)
• M4: 1,879,398 km (0.043 R)
• M5: 3,272,753 km (0.087 R)
• M6: 4,286,727 km (0.045 R)
• M7: 4,556,452 km (0.109 R)
• M8: 5,011,529 km (0.051 R)
• M9: 6,455,148 km (0.055 R)
• M10: 8,280,242 km (0.1 R)
• M11: 10,815,028 km (0.08 R)
• M12: 12,420,214 km (0.072 R)
• M13: 12,970,285 km (0.084 R)
• M14: 19,396,561 km (0.047 R)
• M15: 22,958,486 km (0.089 R)
• M16: 23,870,584 km (0.031 R)
• M17: 24,806,618 km (0.093 R)
• M18: 26,480,768 km (0.068 R)
• M19: 27,576,273 km (0.101 R)
• M20: 31,143,734 km (0.059 R)
• M21: 35,882,695 km (0.055 R)
• M22: 36,997,498 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.5

Radius: 7.6

Gravity: 15.47 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 8.4 AU - 8.84 AU

Year: 17790 Days

Day: 16.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,891,965 km

• M1: 259,403 km (0.061 R)
• M2: 879,187 km (0.047 R)
• M3: 1,352,963 km (0.094 R)
• M4: 2,540,920 km (0.119 R)
• M5: 2,981,785 km (0.047 R)
• M6: 4,863,576 km (0.074 R)
• M7: 5,310,425 km (0.08 R)
• M8: 6,503,468 km (0.114 R)
• M9: 7,866,006 km (0.117 R)
• M10: 8,910,199 km (0.079 R)
• M11: 9,926,417 km (0.095 R)
• M12: 13,152,495 km (0.067 R)
• M13: 15,156,209 km (0.092 R)
• M14: 15,947,432 km (0.081 R)
• M15: 17,016,758 km (0.066 R)
• M16: 17,355,148 km (0.072 R)
• M17: 21,380,228 km (0.109 R)
• M18: 22,781,063 km (0.049 R)
• M19: 23,295,979 km (0.036 R)
• M20: 25,987,095 km (0.097 R)
• M21: 36,398,957 km (0.081 R)
• M22: 37,244,185 km (0.072 R)
• M23: 37,671,736 km (0.12 R)
• M24: 43,689,609 km (0.098 R)
• M25: 45,775,452 km (0.114 R)
• M26: 46,925,561 km (0.057 R)
• M27: 48,601,955 km (0.048 R)
• M28: 50,317,842 km (0.107 R)
• M29: 51,542,750 km (0.118 R)
• M30: 54,783,638 km (0.077 R)
• M31: 55,151,948 km (0.032 R)
• M32: 61,271,249 km (0.084 R)
• M33: 63,474,975 km (0.07 R)
• M34: 65,523,718 km (0.103 R)
• M35: 66,355,482 km (0.078 R)
• M36: 67,616,143 km (0.053 R)
• M37: 72,154,643 km (0.118 R)
• M38: 74,160,302 km (0.176 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 19,506 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit