🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.8

Radius: 14.1

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.54 AU - 0.58 AU

Year: 289 Days

Day: 5.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,392,279 km

• M1: 175,329 km (0.087 R)
• M2: 685,607 km (0.114 R)
• M3: 1,170,603 km (0.113 R)
• M4: 1,617,153 km (0.088 R)
• M5: 2,104,244 km (0.119 R)
• M6: 2,610,034 km (0.105 R)
• M7: 3,136,918 km (0.116 R)
• M8: 3,837,784 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.9

Radius: 14.9

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.66 AU - 1.08 AU

Year: 560 Days

Day: 7.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,392,279 km

• M1: 185,651 km (0.106 R)
• M2: 649,554 km (0.095 R)
• M3: 1,424,621 km (0.087 R)
• M4: 2,168,272 km (0.074 R)
• M5: 2,747,066 km (0.074 R)
• M6: 3,330,049 km (0.074 R)
• M7: 3,940,109 km (0.09 R)
• M8: 4,608,961 km (0.113 R)
• M9: 5,700,726 km (0.06 R)
• M10: 6,251,246 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21

Radius: 13

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.44 AU - 1.46 AU

Year: 1205 Days

Day: 8.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 79,392,279 km

• M1: 181,761 km (0.064 R)
• M2: 633,996 km (0.097 R)
• M3: 1,758,972 km (0.103 R)
• M4: 2,619,758 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.2

Radius: 13.4

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.31 AU - 1.87 AU

Year: 1384 Days

Day: 8.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,392,279 km

• M1: 189,541 km (0.084 R)
• M2: 638,185 km (0.117 R)
• M3: 1,235,529 km (0.094 R)
• M4: 2,178,594 km (0.111 R)
• M5: 2,719,689 km (0.105 R)
• M6: 3,788,865 km (0.094 R)
• M7: 4,923,715 km (0.057 R)
• M8: 7,956,064 km (0.102 R)
• M9: 8,381,819 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.3

Radius: 10.4

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.57 AU - 2.81 AU

Year: 3045 Days

Day: 7.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,392,279 km

• M1: 129,402 km (0.104 R)
• M2: 477,516 km (0.101 R)
• M3: 871,258 km (0.098 R)
• M4: 1,228,947 km (0.089 R)
• M5: 2,021,516 km (0.032 R)
• M6: 2,763,372 km (0.115 R)
• M7: 4,116,784 km (0.082 R)
• M8: 4,498,109 km (0.089 R)
• M9: 4,829,767 km (0.087 R)
• M10: 5,463,015 km (0.115 R)
• M11: 5,841,198 km (0.103 R)
• M12: 6,412,064 km (0.066 R)
• M13: 8,385,110 km (0.11 R)
• M14: 10,119,398 km (0.083 R)
• M15: 10,691,610 km (0.09 R)
• M16: 11,285,364 km (0.084 R)
• M17: 12,035,747 km (0.036 R)
• M18: 13,008,283 km (0.081 R)
• M19: 15,480,088 km (0.106 R)
• M20: 16,854,743 km (0.088 R)
• M21: 17,426,806 km (0.074 R)
• M22: 18,369,123 km (0.086 R)
• M23: 19,407,033 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586.3

Radius: 5.8

Gravity: 17.43 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.33 AU - 7.63 AU

Year: 12729 Days

Day: 20.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,392,279 km

• M1: 72,106 km (0.055 R)
• M2: 270,922 km (0.097 R)
• M3: 486,492 km (0.112 R)
• M4: 672,143 km (0.063 R)
• M5: 866,770 km (0.115 R)
• M6: 1,122,882 km (0.119 R)
• M7: 3,071,244 km (0.117 R)
• M8: 3,263,029 km (0.107 R)
• M9: 3,998,901 km (0.097 R)
• M10: 5,578,953 km (0.119 R)
• M11: 8,618,633 km (0.104 R)
• M12: 10,813,981 km (0.112 R)
• M13: 12,308,165 km (0.096 R)
• M14: 12,855,992 km (0.114 R)
• M15: 13,042,092 km (0.104 R)
• M16: 14,731,950 km (0.085 R)
• M17: 15,210,663 km (0.098 R)
• M18: 16,416,422 km (0.117 R)
• M19: 16,709,185 km (0.068 R)
• M20: 18,460,377 km (0.109 R)
• M21: 20,330,351 km (0.097 R)
• M22: 21,267,880 km (0.102 R)
• M23: 21,791,174 km (0.086 R)
• M24: 22,502,213 km (0.089 R)
• M25: 24,824,121 km (0.107 R)
• M26: 25,993,228 km (0.102 R)
• M27: 28,863,264 km (0.114 R)
• M28: 29,289,917 km (0.099 R)
• M29: 29,720,609 km (0.107 R)
• M30: 30,926,817 km (0.096 R)
• M31: 32,854,684 km (0.094 R)
• M32: 33,907,105 km (0.116 R)
• M33: 34,981,816 km (0.03 R)
• M34: 35,223,716 km (0.06 R)
• M35: 35,955,998 km (0.094 R)
• M36: 46,858,840 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.9

Radius: 5.4

Gravity: 32.54 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.65 AU - 11.01 AU

Year: 18111 Days

Day: 17.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,392,279 km

• M1: 67,319 km (0.109 R)
• M2: 619,934 km (0.052 R)
• M3: 934,987 km (0.119 R)
• M4: 1,123,181 km (0.109 R)
• M5: 1,461,422 km (0.072 R)
• M6: 1,846,038 km (0.115 R)
• M7: 2,062,506 km (0.103 R)
• M8: 3,212,614 km (0.057 R)
• M9: 4,183,804 km (0.11 R)
• M10: 6,374,066 km (0.104 R)
• M11: 6,870,581 km (0.092 R)
• M12: 9,864,334 km (0.09 R)
• M13: 10,466,465 km (0.108 R)
• M14: 13,701,519 km (0.081 R)
• M15: 14,450,556 km (0.095 R)
• M16: 17,546,334 km (0.106 R)
• M17: 17,720,616 km (0.112 R)
• M18: 25,119,726 km (0.087 R)
• M19: 30,673,099 km (0.119 R)
• M20: 32,342,162 km (0.037 R)
• M21: 36,281,672 km (0.113 R)
• M22: 39,924,829 km (0.079 R)
• M23: 40,377,812 km (0.103 R)
• M24: 40,681,645 km (0.046 R)
• M25: 51,229,641 km (0.078 R)
• M26: 63,462,110 km (0.051 R)
• M27: 78,680,551 km (0.192 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 12,997 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit