🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.2

Radius: 10.1

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.82 AU - 1.14 AU

Year: 670 Days

Day: 8.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,900,467 km

• M1: 125,812 km (0.057 R)
• M2: 484,697 km (0.071 R)
• M3: 964,158 km (0.088 R)
• M4: 1,306,887 km (0.119 R)
• M5: 1,667,268 km (0.102 R)
• M6: 2,094,370 km (0.108 R)
• M7: 3,457,506 km (0.111 R)
• M8: 4,067,566 km (0.113 R)
• M9: 4,470,284 km (0.094 R)
• M10: 5,106,673 km (0.028 R)
• M11: 6,133,662 km (0.09 R)
• M12: 6,518,727 km (0.114 R)
• M13: 7,960,103 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.1

Radius: 8.9

Gravity: 11.3 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.23 AU - 1.29 AU

Year: 976 Days

Day: 10.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,900,467 km

• M1: 110,702 km (0.053 R)
• M2: 413,638 km (0.1 R)
• M3: 704,756 km (0.098 R)
• M4: 1,160,580 km (0.115 R)
• M5: 2,462,979 km (0.11 R)
• M6: 3,433,870 km (0.051 R)
• M7: 3,771,662 km (0.106 R)
• M8: 4,478,362 km (0.099 R)
• M9: 4,996,868 km (0.059 R)
• M10: 5,310,724 km (0.075 R)
• M11: 6,354,918 km (0.114 R)
• M12: 6,913,815 km (0.114 R)
• M13: 8,264,086 km (0.083 R)
• M14: 9,159,878 km (0.071 R)
• M15: 10,057,166 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.7

Radius: 9.8

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.58 AU - 2.04 AU

Year: 1681 Days

Day: 9.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,900,467 km

• M1: 121,922 km (0.093 R)
• M2: 518,207 km (0.076 R)
• M3: 1,143,227 km (0.113 R)
• M4: 3,438,357 km (0.084 R)
• M5: 4,036,001 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.4

Radius: 9.2

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.88 AU - 3.48 AU

Year: 3914 Days

Day: 5.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,900,467 km

• M1: 114,891 km (0.108 R)
• M2: 716,424 km (0.091 R)
• M3: 1,424,022 km (0.104 R)
• M4: 1,771,239 km (0.086 R)
• M5: 2,247,858 km (0.08 R)
• M6: 2,756,640 km (0.115 R)
• M7: 3,075,433 km (0.078 R)
• M8: 3,478,749 km (0.032 R)
• M9: 3,852,295 km (0.099 R)
• M10: 6,167,621 km (0.083 R)
• M11: 7,003,275 km (0.107 R)
• M12: 8,974,526 km (0.104 R)
• M13: 9,283,445 km (0.077 R)
• M14: 9,720,122 km (0.066 R)
• M15: 10,379,399 km (0.033 R)
• M16: 11,024,465 km (0.086 R)
• M17: 11,650,233 km (0.094 R)
• M18: 12,252,365 km (0.113 R)
• M19: 13,619,839 km (0.097 R)
• M20: 14,028,540 km (0.113 R)
• M21: 15,140,352 km (0.104 R)
• M22: 16,539,391 km (0.077 R)
• M23: 16,829,312 km (0.119 R)
• M24: 19,335,674 km (0.071 R)
• M25: 20,845,566 km (0.058 R)
• M26: 24,098,571 km (0.086 R)
• M27: 24,471,369 km (0.032 R)
• M28: 25,381,822 km (0.107 R)
• M29: 25,923,217 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.5

Radius: 13.6

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.86 AU - 3.96 AU

Year: 4347 Days

Day: 6.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,900,467 km

• M1: 169,494 km (0.038 R)
• M2: 915,240 km (0.109 R)
• M3: 1,659,340 km (0.033 R)
• M4: 2,320,113 km (0.089 R)
• M5: 3,619,221 km (0.056 R)
• M6: 5,476,928 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.5

Radius: 10.3

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.29 AU - 5.29 AU

Year: 7236 Days

Day: 13.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,900,467 km

• M1: 144,063 km (0.041 R)
• M2: 650,152 km (0.079 R)
• M3: 1,010,534 km (0.059 R)
• M4: 1,655,151 km (0.044 R)
• M5: 2,445,177 km (0.117 R)
• M6: 2,890,979 km (0.115 R)
• M7: 4,350,904 km (0.116 R)
• M8: 8,576,745 km (0.099 R)
• M9: 9,141,477 km (0.057 R)
• M10: 9,531,628 km (0.091 R)
• M11: 15,177,602 km (0.042 R)
• M12: 15,504,772 km (0.098 R)
• M13: 17,928,557 km (0.103 R)
• M14: 23,805,808 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438

Radius: 12.4

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.03 AU - 5.81 AU

Year: 7533 Days

Day: 5.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,900,467 km

• M1: 161,566 km (0.055 R)
• M2: 573,708 km (0.115 R)
• M3: 1,468,453 km (0.097 R)
• M4: 1,892,114 km (0.047 R)
• M5: 2,398,353 km (0.086 R)
• M6: 3,073,039 km (0.039 R)
• M7: 5,847,482 km (0.057 R)
• M8: 6,357,910 km (0.097 R)
• M9: 7,432,172 km (0.088 R)
• M10: 7,917,168 km (0.102 R)
• M11: 8,786,332 km (0.118 R)
• M12: 13,069,917 km (0.091 R)
• M13: 14,001,314 km (0.077 R)
• M14: 14,397,449 km (0.096 R)
• M15: 15,934,866 km (0.108 R)
• M16: 17,125,815 km (0.112 R)
• M17: 17,710,294 km (0.115 R)
• M18: 19,825,757 km (0.062 R)
• M19: 22,720,177 km (0.095 R)
• M20: 23,664,588 km (0.077 R)
• M21: 33,076,688 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.2

Radius: 12.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.4 AU - 5.88 AU

Year: 8044 Days

Day: 8.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,900,467 km

• M1: 160,369 km (0.115 R)
• M2: 568,771 km (0.112 R)
• M3: 1,988,156 km (0.09 R)
• M4: 2,484,372 km (0.049 R)
• M5: 3,221,141 km (0.083 R)
• M6: 3,775,102 km (0.037 R)
• M7: 4,417,326 km (0.071 R)
• M8: 5,187,157 km (0.103 R)
• M9: 6,138,449 km (0.082 R)
• M10: 7,379,813 km (0.086 R)
• M11: 7,890,988 km (0.08 R)
• M12: 8,742,051 km (0.11 R)
• M13: 9,440,822 km (0.111 R)
• M14: 10,581,357 km (0.062 R)
• M15: 11,959,602 km (0.034 R)
• M16: 15,420,100 km (0.074 R)
• M17: 18,885,834 km (0.051 R)
• M18: 21,270,723 km (0.097 R)
• M19: 27,315,374 km (0.058 R)
• M20: 29,804,085 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223.5

Radius: 5.8

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.96 AU - 7.24 AU

Year: 13059 Days

Day: 20.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,900,467 km

• M1: 72,106 km (0.054 R)
• M2: 983,157 km (0.082 R)
• M3: 1,702,125 km (0.056 R)
• M4: 2,534,338 km (0.099 R)
• M5: 3,244,778 km (0.091 R)
• M6: 5,510,138 km (0.115 R)
• M7: 5,897,597 km (0.118 R)
• M8: 8,278,148 km (0.12 R)
• M9: 9,633,504 km (0.073 R)
• M10: 16,083,267 km (0.111 R)
• M11: 25,985,449 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.8

Radius: 7.2

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.37 AU - 12.03 AU

Year: 20853 Days

Day: 20.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,900,467 km

• M1: 91,703 km (0.044 R)
• M2: 482,154 km (0.09 R)
• M3: 928,853 km (0.065 R)
• M4: 1,196,035 km (0.069 R)
• M5: 1,594,564 km (0.107 R)
• M6: 2,475,695 km (0.034 R)
• M7: 2,823,809 km (0.062 R)
• M8: 3,204,237 km (0.117 R)
• M9: 4,486,889 km (0.115 R)
• M10: 5,298,457 km (0.114 R)
• M11: 5,958,483 km (0.103 R)
• M12: 7,209,271 km (0.095 R)
• M13: 8,574,352 km (0.084 R)
• M14: 10,161,435 km (0.078 R)
• M15: 11,426,585 km (0.083 R)
• M16: 12,260,443 km (0.084 R)
• M17: 13,551,323 km (0.09 R)
• M18: 14,121,141 km (0.118 R)
• M19: 14,930,466 km (0.046 R)
• M20: 15,692,667 km (0.105 R)
• M21: 17,460,465 km (0.113 R)
• M22: 19,446,377 km (0.075 R)
• M23: 19,897,265 km (0.053 R)
• M24: 20,355,034 km (0.116 R)
• M25: 23,351,629 km (0.06 R)
• M26: 28,436,311 km (0.052 R)
• M27: 31,051,282 km (0.105 R)
• M28: 32,796,341 km (0.08 R)
• M29: 34,869,618 km (0.102 R)
• M30: 37,166,544 km (0.114 R)
• M31: 41,166,492 km (0.073 R)
• M32: 42,059,441 km (0.056 R)
• M33: 43,576,364 km (0.115 R)
• M34: 45,286,567 km (0.092 R)
• M35: 49,673,225 km (0.071 R)
• M36: 56,863,198 km (0.1 R)
• M37: 62,347,755 km (0.105 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 12,151 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit