🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.5

Radius: 14.7

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.59 AU - 0.73 AU

Year: 358 Days

Day: 11.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,914,841 km

• M1: 182,809 km (0.088 R)
• M2: 710,739 km (0.106 R)
• M3: 1,235,978 km (0.1 R)
• M4: 1,859,202 km (0.061 R)
• M5: 2,385,488 km (0.027 R)
• M6: 2,977,596 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279

Radius: 10.4

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.53 AU - 2.43 AU

Year: 1858 Days

Day: 13.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,914,841 km

• M1: 129,402 km (0.062 R)
• M2: 473,477 km (0.067 R)
• M3: 1,051,673 km (0.112 R)
• M4: 1,434,344 km (0.118 R)
• M5: 1,794,127 km (0.114 R)
• M6: 2,159,894 km (0.049 R)
• M7: 2,764,419 km (0.102 R)
• M8: 3,870,995 km (0.116 R)
• M9: 4,878,536 km (0.109 R)
• M10: 5,641,934 km (0.073 R)
• M11: 6,074,721 km (0.119 R)
• M12: 7,871,990 km (0.084 R)
• M13: 8,778,253 km (0.055 R)
• M14: 10,377,305 km (0.1 R)
• M15: 11,128,436 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.7

Radius: 10.2

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.1 AU - 2.2 AU

Year: 2102 Days

Day: 8.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,914,841 km

• M1: 127,457 km (0.12 R)
• M2: 446,699 km (0.106 R)
• M3: 985,102 km (0.095 R)
• M4: 1,321,847 km (0.103 R)
• M5: 1,887,028 km (0.118 R)
• M6: 2,646,087 km (0.088 R)
• M7: 3,484,583 km (0.09 R)
• M8: 4,491,377 km (0.063 R)
• M9: 4,880,182 km (0.11 R)
• M10: 6,044,053 km (0.1 R)
• M11: 7,147,786 km (0.073 R)
• M12: 7,490,515 km (0.032 R)
• M13: 8,732,626 km (0.09 R)
• M14: 10,305,199 km (0.069 R)
• M15: 10,777,479 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.6

Radius: 11.6

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.12 AU - 3.52 AU

Year: 4034 Days

Day: 12 Hours

Environment

Temp: -207 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,914,841 km

• M1: 144,212 km (0.112 R)
• M2: 521,349 km (0.096 R)
• M3: 994,377 km (0.087 R)
• M4: 1,730,249 km (0.068 R)
• M5: 2,183,381 km (0.12 R)
• M6: 2,766,663 km (0.066 R)
• M7: 3,180,152 km (0.118 R)
• M8: 4,178,119 km (0.117 R)
• M9: 4,553,909 km (0.072 R)
• M10: 6,081,004 km (0.039 R)
• M11: 9,385,471 km (0.109 R)
• M12: 9,828,131 km (0.119 R)
• M13: 13,887,170 km (0.098 R)
• M14: 14,356,758 km (0.092 R)
• M15: 16,457,860 km (0.043 R)
• M16: 18,379,894 km (0.092 R)
• M17: 18,819,562 km (0.085 R)
• M18: 21,606,570 km (0.118 R)
• M19: 22,881,144 km (0.099 R)
• M20: 24,430,978 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.7

Radius: 8

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.5 AU - 5.02 AU

Year: 6925 Days

Day: 8.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,914,841 km

• M1: 112,049 km (0.068 R)
• M2: 396,883 km (0.106 R)
• M3: 677,080 km (0.059 R)
• M4: 1,001,857 km (0.093 R)
• M5: 1,406,968 km (0.12 R)
• M6: 2,688,872 km (0.085 R)
• M7: 4,260,547 km (0.072 R)
• M8: 5,649,713 km (0.063 R)
• M9: 6,366,137 km (0.102 R)
• M10: 12,800,491 km (0.093 R)
• M11: 15,755,199 km (0.095 R)
• M12: 17,614,700 km (0.116 R)
• M13: 22,362,339 km (0.081 R)
• M14: 24,223,037 km (0.091 R)
• M15: 25,272,915 km (0.115 R)
• M16: 26,268,638 km (0.075 R)
• M17: 31,263,711 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.6

Radius: 5.8

Gravity: 26.98 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.81 AU - 9.27 AU

Year: 16642 Days

Day: 16.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 28,914,841 km

• M1: 75,098 km (0.063 R)
• M2: 257,907 km (0.095 R)
• M3: 467,942 km (0.116 R)
• M4: 1,591,572 km (0.112 R)
• M5: 2,358,859 km (0.094 R)
• M6: 2,654,764 km (0.09 R)
• M7: 3,000,933 km (0.039 R)
• M8: 4,658,926 km (0.084 R)
• M9: 5,985,710 km (0.054 R)
• M10: 7,168,132 km (0.094 R)
• M11: 11,068,447 km (0.113 R)
• M12: 11,963,192 km (0.118 R)
• M13: 15,709,422 km (0.108 R)
• M14: 16,186,490 km (0.1 R)
• M15: 18,806,248 km (0.091 R)
• M16: 21,307,225 km (0.042 R)
• M17: 25,082,477 km (0.109 R)
• M18: 25,624,619 km (0.089 R)
• M19: 33,399,969 km (0.04 R)
• M20: 35,665,628 km (0.093 R)
• M21: 36,075,676 km (0.104 R)
• M22: 37,606,661 km (0.099 R)
• M23: 46,076,144 km (0.11 R)
• M24: 58,341,225 km (0.058 R)
• M25: 71,957,922 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.4

Radius: 6.1

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.86 AU - 11.86 AU

Year: 23866 Days

Day: 22.9 Hours

Environment

Temp: -246 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,914,841 km

• M1: 327,919 km (0.114 R)
• M2: 662,569 km (0.11 R)
• M3: 1,366,128 km (0.114 R)
• M4: 4,847,869 km (0.032 R)
• M5: 7,116,670 km (0.117 R)
• M6: 7,321,320 km (0.097 R)
• M7: 7,565,164 km (0.08 R)
• M8: 9,967,557 km (0.092 R)
• M9: 17,107,863 km (0.09 R)
• M10: 17,724,206 km (0.065 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 18,054 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit