🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.4

Radius: 8.8

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.96 AU - 1.34 AU

Year: 836 Days

Day: 13.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,502,736 km

• M1: 109,506 km (0.096 R)
• M2: 593,604 km (0.097 R)
• M3: 904,469 km (0.113 R)
• M4: 1,395,299 km (0.11 R)
• M5: 1,806,394 km (0.053 R)
• M6: 2,237,236 km (0.116 R)
• M7: 2,827,400 km (0.106 R)
• M8: 3,654,526 km (0.08 R)
• M9: 4,732,828 km (0.1 R)
• M10: 5,106,673 km (0.06 R)
• M11: 5,481,715 km (0.028 R)
• M12: 6,069,036 km (0.072 R)
• M13: 6,634,965 km (0.097 R)
• M14: 7,082,113 km (0.111 R)
• M15: 7,436,211 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.5

Radius: 8.3

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.15 AU - 1.45 AU

Year: 1005 Days

Day: 13.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,502,736 km

• M1: 103,223 km (0.106 R)
• M2: 398,230 km (0.089 R)
• M3: 673,190 km (0.093 R)
• M4: 1,561,652 km (0.091 R)
• M5: 1,935,796 km (0.109 R)
• M6: 2,247,409 km (0.119 R)
• M7: 2,659,102 km (0.104 R)
• M8: 3,082,913 km (0.088 R)
• M9: 3,524,077 km (0.059 R)
• M10: 3,860,223 km (0.039 R)
• M11: 4,156,726 km (0.1 R)
• M12: 4,728,938 km (0.12 R)
• M13: 5,016,914 km (0.09 R)
• M14: 5,388,814 km (0.079 R)
• M15: 6,248,105 km (0.063 R)
• M16: 6,784,413 km (0.102 R)
• M17: 7,284,220 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.2

Radius: 9.9

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.06 AU - 3.16 AU

Year: 2860 Days

Day: 14.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,502,736 km

• M1: 131,347 km (0.095 R)
• M2: 441,164 km (0.092 R)
• M3: 774,618 km (0.084 R)
• M4: 1,136,645 km (0.105 R)
• M5: 1,465,461 km (0.109 R)
• M6: 1,926,970 km (0.114 R)
• M7: 2,308,744 km (0.046 R)
• M8: 2,861,209 km (0.095 R)
• M9: 3,310,451 km (0.117 R)
• M10: 3,659,762 km (0.064 R)
• M11: 4,250,225 km (0.112 R)
• M12: 4,600,284 km (0.115 R)
• M13: 5,548,585 km (0.051 R)
• M14: 6,434,354 km (0.104 R)
• M15: 6,869,534 km (0.071 R)
• M16: 8,325,421 km (0.103 R)
• M17: 13,299,699 km (0.089 R)
• M18: 14,600,004 km (0.11 R)
• M19: 15,400,502 km (0.04 R)
• M20: 15,885,050 km (0.117 R)
• M21: 16,630,646 km (0.107 R)
• M22: 17,037,851 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.3

Radius: 9.1

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.18 AU - 5.12 AU

Year: 5734 Days

Day: 6.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,502,736 km

• M1: 113,246 km (0.099 R)
• M2: 495,767 km (0.04 R)
• M3: 1,107,922 km (0.096 R)
• M4: 1,484,011 km (0.115 R)
• M5: 2,118,755 km (0.105 R)
• M6: 2,924,040 km (0.075 R)
• M7: 3,314,790 km (0.092 R)
• M8: 3,608,899 km (0.11 R)
• M9: 3,920,362 km (0.074 R)
• M10: 4,249,926 km (0.083 R)
• M11: 4,572,459 km (0.11 R)
• M12: 5,128,215 km (0.047 R)
• M13: 5,787,792 km (0.094 R)
• M14: 6,567,646 km (0.12 R)
• M15: 7,068,200 km (0.092 R)
• M16: 8,108,055 km (0.064 R)
• M17: 8,606,066 km (0.078 R)
• M18: 9,287,784 km (0.099 R)
• M19: 9,578,901 km (0.098 R)
• M20: 10,005,106 km (0.043 R)
• M21: 10,668,273 km (0.032 R)
• M22: 11,935,517 km (0.069 R)
• M23: 14,598,359 km (0.101 R)
• M24: 16,639,771 km (0.102 R)
• M25: 20,711,077 km (0.033 R)
• M26: 22,976,139 km (0.12 R)
• M27: 23,279,972 km (0.082 R)
• M28: 24,999,151 km (0.063 R)
• M29: 28,078,922 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.9

Radius: 4.8

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.5 AU - 8 AU

Year: 11895 Days

Day: 24.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,502,736 km

• M1: 59,690 km (0.114 R)
• M2: 235,916 km (0.061 R)
• M3: 647,460 km (0.025 R)
• M4: 811,868 km (0.113 R)
• M5: 1,955,543 km (0.089 R)
• M6: 3,510,763 km (0.081 R)
• M7: 5,875,905 km (0.03 R)
• M8: 7,938,411 km (0.066 R)
• M9: 10,052,977 km (0.06 R)
• M10: 11,290,450 km (0.104 R)
• M11: 14,606,886 km (0.096 R)
• M12: 16,718,609 km (0.079 R)
• M13: 18,879,850 km (0.039 R)
• M14: 20,368,947 km (0.106 R)
• M15: 26,015,668 km (0.091 R)
• M16: 30,675,642 km (0.12 R)
• M17: 33,894,090 km (0.076 R)
• M18: 34,759,664 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199

Radius: 6.7

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.26 AU - 8.14 AU

Year: 13104 Days

Day: 19.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,502,736 km

• M1: 85,720 km (0.099 R)
• M2: 419,772 km (0.093 R)
• M3: 898,335 km (0.105 R)
• M4: 1,338,003 km (0.109 R)
• M5: 2,281,816 km (0.055 R)
• M6: 3,471,119 km (0.111 R)
• M7: 5,174,291 km (0.089 R)
• M8: 5,385,972 km (0.115 R)
• M9: 6,359,705 km (0.054 R)
• M10: 8,194,822 km (0.077 R)
• M11: 8,441,359 km (0.078 R)
• M12: 14,006,400 km (0.086 R)
• M13: 17,603,331 km (0.057 R)
• M14: 18,927,123 km (0.105 R)
• M15: 35,565,547 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 461.7

Radius: 3

Gravity: 51.3 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 7.08 AU - 9.66 AU

Year: 16424 Days

Day: 19.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,502,736 km

• M1: 37,250 km (0.068 R)
• M2: 190,887 km (0.118 R)
• M3: 309,668 km (0.115 R)
• M4: 739,462 km (0.042 R)
• M5: 865,872 km (0.037 R)
• M6: 1,507,947 km (0.051 R)
• M7: 1,779,018 km (0.119 R)
• M8: 3,586,011 km (0.09 R)
• M9: 3,949,982 km (0.086 R)
• M10: 4,096,289 km (0.076 R)
• M11: 5,224,107 km (0.091 R)
• M12: 6,342,800 km (0.12 R)
• M13: 7,930,482 km (0.086 R)
• M14: 8,545,928 km (0.055 R)
• M15: 8,939,969 km (0.116 R)
• M16: 10,195,095 km (0.102 R)
• M17: 12,665,853 km (0.082 R)
• M18: 12,920,170 km (0.1 R)
• M19: 16,922,362 km (0.091 R)
• M20: 18,747,007 km (0.062 R)
• M21: 20,349,948 km (0.117 R)
• M22: 21,768,585 km (0.1 R)
• M23: 24,801,233 km (0.051 R)
• M24: 28,211,166 km (0.069 R)
• M25: 28,753,758 km (0.041 R)
• M26: 37,484,589 km (0.104 R)
• M27: 39,339,004 km (0.118 R)
• M28: 51,925,571 km (0.063 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: 392 - 20,181 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit