🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.7

Radius: 9.8

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.42 AU - 0.62 AU

Year: 264 Days

Day: 8.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,102,368 km

• M1: 121,922 km (0.111 R)
• M2: 454,628 km (0.108 R)
• M3: 790,475 km (0.062 R)
• M4: 1,097,450 km (0.093 R)
• M5: 1,429,258 km (0.095 R)
• M6: 1,808,937 km (0.06 R)
• M7: 2,382,645 km (0.081 R)
• M8: 3,200,946 km (0.114 R)
• M9: 3,757,899 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.1

Radius: 9.6

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.54 AU - 0.9 AU

Year: 429 Days

Day: 11.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,102,368 km

• M1: 119,379 km (0.09 R)
• M2: 592,856 km (0.092 R)
• M3: 935,735 km (0.111 R)
• M4: 1,383,481 km (0.097 R)
• M5: 1,857,557 km (0.107 R)
• M6: 2,279,722 km (0.039 R)
• M7: 2,592,980 km (0.118 R)
• M8: 3,165,641 km (0.115 R)
• M9: 3,747,576 km (0.108 R)
• M10: 4,372,297 km (0.09 R)
• M11: 4,688,846 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.5

Radius: 9.9

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.47 AU - 1.75 AU

Year: 1436 Days

Day: 6.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,102,368 km

• M1: 123,119 km (0.078 R)
• M2: 445,802 km (0.115 R)
• M3: 883,824 km (0.099 R)
• M4: 1,192,893 km (0.107 R)
• M5: 1,741,469 km (0.12 R)
• M6: 2,477,191 km (0.049 R)
• M7: 2,873,476 km (0.096 R)
• M8: 3,829,107 km (0.043 R)
• M9: 4,921,321 km (0.067 R)
• M10: 5,461,220 km (0.063 R)
• M11: 6,307,495 km (0.082 R)
• M12: 6,659,349 km (0.097 R)
• M13: 8,141,415 km (0.086 R)
• M14: 8,619,979 km (0.115 R)
• M15: 8,991,281 km (0.088 R)
• M16: 9,666,566 km (0.086 R)
• M17: 10,340,654 km (0.059 R)
• M18: 12,473,919 km (0.072 R)
• M19: 14,148,518 km (0.06 R)
• M20: 14,578,612 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.6

Radius: 9.9

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.59 AU - 2.05 AU

Year: 1726 Days

Day: 11.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,102,368 km

• M1: 123,119 km (0.042 R)
• M2: 470,037 km (0.073 R)
• M3: 847,173 km (0.104 R)
• M4: 1,167,761 km (0.112 R)
• M5: 1,513,482 km (0.068 R)
• M6: 1,996,683 km (0.105 R)
• M7: 2,313,681 km (0.064 R)
• M8: 2,883,349 km (0.049 R)
• M9: 3,407,540 km (0.083 R)
• M10: 3,827,761 km (0.091 R)
• M11: 6,215,044 km (0.081 R)
• M12: 6,551,040 km (0.079 R)
• M13: 7,091,687 km (0.102 R)
• M14: 7,603,461 km (0.088 R)
• M15: 8,018,446 km (0.116 R)
• M16: 8,732,925 km (0.118 R)
• M17: 10,252,989 km (0.099 R)
• M18: 11,513,351 km (0.093 R)
• M19: 11,981,892 km (0.096 R)
• M20: 13,082,783 km (0.055 R)
• M21: 14,383,536 km (0.12 R)
• M22: 15,065,403 km (0.106 R)
• M23: 15,673,668 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.1

Radius: 8.4

Gravity: 13.47 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.7 AU - 3.78 AU

Year: 4099 Days

Day: 10.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,102,368 km

• M1: 104,419 km (0.071 R)
• M2: 376,687 km (0.099 R)
• M3: 736,022 km (0.104 R)
• M4: 1,498,821 km (0.067 R)
• M5: 1,985,762 km (0.088 R)
• M6: 2,855,075 km (0.097 R)
• M7: 3,355,331 km (0.12 R)
• M8: 4,237,659 km (0.092 R)
• M9: 4,630,952 km (0.095 R)
• M10: 4,968,444 km (0.091 R)
• M11: 5,721,819 km (0.106 R)
• M12: 6,776,484 km (0.065 R)
• M13: 7,419,606 km (0.073 R)
• M14: 7,918,963 km (0.076 R)
• M15: 8,251,669 km (0.087 R)
• M16: 9,428,855 km (0.119 R)
• M17: 9,718,925 km (0.117 R)
• M18: 10,273,484 km (0.092 R)
• M19: 11,259,933 km (0.104 R)
• M20: 12,308,015 km (0.044 R)
• M21: 13,419,827 km (0.093 R)
• M22: 14,432,754 km (0.047 R)
• M23: 16,430,633 km (0.113 R)
• M24: 17,464,654 km (0.119 R)
• M25: 17,839,845 km (0.071 R)
• M26: 19,261,474 km (0.114 R)
• M27: 19,729,266 km (0.095 R)
• M28: 22,328,529 km (0.107 R)
• M29: 23,672,068 km (0.05 R)
• M30: 24,597,331 km (0.085 R)
• M31: 26,273,874 km (0.107 R)
• M32: 26,849,377 km (0.114 R)
• M33: 27,181,933 km (0.097 R)
• M34: 28,799,385 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.9

Radius: 7.3

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.22 AU - 6.98 AU

Year: 9315 Days

Day: 22.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,102,368 km

• M1: 97,837 km (0.105 R)
• M2: 802,443 km (0.119 R)
• M3: 6,586,345 km (0.063 R)
• M4: 7,141,952 km (0.088 R)
• M5: 8,095,489 km (0.101 R)
• M6: 16,352,094 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.7

Radius: 4.6

Gravity: 22.34 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.32 AU - 5.92 AU

Year: 9365 Days

Day: 21.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,102,368 km

• M1: 57,745 km (0.035 R)
• M2: 400,922 km (0.096 R)
• M3: 689,796 km (0.108 R)
• M4: 1,075,609 km (0.087 R)
• M5: 1,263,354 km (0.064 R)
• M6: 1,525,449 km (0.101 R)
• M7: 1,719,777 km (0.118 R)
• M8: 1,946,268 km (0.077 R)
• M9: 4,023,884 km (0.055 R)
• M10: 4,180,812 km (0.087 R)
• M11: 4,506,935 km (0.073 R)
• M12: 4,733,576 km (0.108 R)
• M13: 4,908,605 km (0.1 R)
• M14: 7,167,533 km (0.075 R)
• M15: 7,754,406 km (0.103 R)
• M16: 7,956,961 km (0.084 R)
• M17: 8,162,957 km (0.09 R)
• M18: 16,133,682 km (0.104 R)
• M19: 16,597,285 km (0.088 R)
• M20: 17,971,192 km (0.119 R)
• M21: 18,830,931 km (0.051 R)
• M22: 20,019,337 km (0.084 R)
• M23: 21,256,960 km (0.078 R)
• M24: 21,975,179 km (0.069 R)
• M25: 22,299,507 km (0.086 R)
• M26: 22,709,256 km (0.056 R)
• M27: 23,459,639 km (0.075 R)
• M28: 23,713,506 km (0.096 R)
• M29: 27,274,085 km (0.053 R)
• M30: 28,217,001 km (0.06 R)
• M31: 28,600,121 km (0.082 R)
• M32: 29,181,159 km (0.115 R)
• M33: 32,205,729 km (0.073 R)
• M34: 34,334,058 km (0.117 R)
• M35: 39,223,814 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.4

Radius: 4.7

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 9.63 AU - 10.19 AU

Year: 21929 Days

Day: 21.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,102,368 km

• M1: 58,642 km (0.081 R)
• M2: 267,182 km (0.078 R)
• M3: 562,787 km (0.06 R)
• M4: 2,739,137 km (0.101 R)
• M5: 3,892,836 km (0.086 R)
• M6: 9,230,937 km (0.026 R)
• M7: 9,743,309 km (0.048 R)
• M8: 9,900,686 km (0.105 R)
• M9: 10,328,536 km (0.099 R)
• M10: 12,904,911 km (0.071 R)
• M11: 17,448,198 km (0.096 R)
• M12: 19,696,355 km (0.083 R)
• M13: 20,629,995 km (0.088 R)
• M14: 25,644,366 km (0.086 R)
• M15: 26,045,139 km (0.066 R)
• M16: 30,063,637 km (0.054 R)
• M17: 30,733,686 km (0.053 R)
• M18: 38,773,973 km (0.087 R)
• M19: 39,834,622 km (0.027 R)
• M20: 44,127,482 km (0.115 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: 397 - 12,868 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit