🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.8

Radius: 15

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.81 AU - 1.23 AU

Year: 665 Days

Day: 9.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,336,897 km

• M1: 186,549 km (0.089 R)
• M2: 810,222 km (0.092 R)
• M3: 1,618,051 km (0.052 R)
• M4: 2,112,172 km (0.112 R)
• M5: 2,905,789 km (0.057 R)
• M6: 3,989,626 km (0.1 R)
• M7: 4,782,794 km (0.04 R)
• M8: 5,328,527 km (0.092 R)
• M9: 6,786,507 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.2

Radius: 14.7

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.81 AU - 1.31 AU

Year: 705 Days

Day: 9.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,336,897 km

• M1: 182,809 km (0.088 R)
• M2: 1,231,490 km (0.075 R)
• M3: 1,901,239 km (0.041 R)
• M4: 2,610,184 km (0.075 R)
• M5: 3,339,324 km (0.083 R)
• M6: 3,885,954 km (0.105 R)
• M7: 4,592,206 km (0.086 R)
• M8: 5,224,107 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.7

Radius: 8.6

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.93 AU - 1.23 AU

Year: 725 Days

Day: 9.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,336,897 km

• M1: 106,962 km (0.062 R)
• M2: 375,042 km (0.072 R)
• M3: 658,679 km (0.093 R)
• M4: 1,020,108 km (0.059 R)
• M5: 1,310,328 km (0.098 R)
• M6: 2,462,531 km (0.106 R)
• M7: 2,936,008 km (0.066 R)
• M8: 3,251,061 km (0.045 R)
• M9: 3,697,012 km (0.118 R)
• M10: 4,319,040 km (0.114 R)
• M11: 5,496,675 km (0.056 R)
• M12: 6,875,518 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.5

Radius: 8.9

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.08 AU - 4.22 AU

Year: 5459 Days

Day: 6 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 28,336,897 km

• M1: 112,647 km (0.094 R)
• M2: 446,849 km (0.069 R)
• M3: 954,883 km (0.076 R)
• M4: 1,503,159 km (0.073 R)
• M5: 2,145,533 km (0.081 R)
• M6: 2,662,543 km (0.116 R)
• M7: 3,051,797 km (0.086 R)
• M8: 3,749,371 km (0.084 R)
• M9: 4,147,601 km (0.111 R)
• M10: 4,549,421 km (0.095 R)
• M11: 4,848,617 km (0.092 R)
• M12: 6,030,589 km (0.042 R)
• M13: 6,800,420 km (0.114 R)
• M14: 7,159,305 km (0.101 R)
• M15: 8,166,548 km (0.107 R)
• M16: 9,953,644 km (0.06 R)
• M17: 11,569,301 km (0.114 R)
• M18: 12,223,941 km (0.111 R)
• M19: 13,812,820 km (0.038 R)
• M20: 14,710,707 km (0.101 R)
• M21: 15,759,836 km (0.065 R)
• M22: 17,699,074 km (0.1 R)
• M23: 19,400,151 km (0.093 R)
• M24: 21,904,270 km (0.103 R)
• M25: 23,051,087 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.3

Radius: 9

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.42 AU - 5.28 AU

Year: 5858 Days

Day: 10.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,336,897 km

• M1: 112,049 km (0.077 R)
• M2: 890,407 km (0.095 R)
• M3: 1,757,177 km (0.052 R)
• M4: 2,292,288 km (0.081 R)
• M5: 3,066,008 km (0.067 R)
• M6: 3,366,550 km (0.111 R)
• M7: 4,121,870 km (0.096 R)
• M8: 4,798,651 km (0.11 R)
• M9: 5,346,179 km (0.077 R)
• M10: 6,088,633 km (0.115 R)
• M11: 6,797,428 km (0.071 R)
• M12: 11,761,085 km (0.087 R)
• M13: 15,198,994 km (0.095 R)
• M14: 16,198,009 km (0.078 R)
• M15: 20,005,574 km (0.029 R)
• M16: 20,353,389 km (0.083 R)
• M17: 22,525,400 km (0.108 R)

Asteroid Belt

Center: 7.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 585.2

Radius: 3.9

Gravity: 38.47 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 8.44 AU - 12.54 AU

Year: 21937 Days

Day: 23.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 28,336,897 km

• M1: 48,619 km (0.08 R)
• M2: 220,956 km (0.093 R)
• M3: 393,293 km (0.102 R)
• M4: 574,905 km (0.064 R)
• M5: 729,140 km (0.105 R)
• M6: 1,335,909 km (0.078 R)
• M7: 1,862,643 km (0.052 R)
• M8: 2,247,259 km (0.084 R)
• M9: 3,423,996 km (0.091 R)
• M10: 3,658,715 km (0.06 R)
• M11: 4,600,583 km (0.082 R)
• M12: 4,996,718 km (0.09 R)
• M13: 5,376,248 km (0.117 R)
• M14: 6,856,519 km (0.105 R)
• M15: 7,420,952 km (0.06 R)
• M16: 9,076,701 km (0.1 R)
• M17: 10,228,006 km (0.083 R)
• M18: 11,152,820 km (0.087 R)
• M19: 11,668,335 km (0.067 R)
• M20: 13,238,364 km (0.107 R)
• M21: 16,213,118 km (0.089 R)
• M22: 16,624,063 km (0.118 R)
• M23: 18,693,750 km (0.116 R)
• M24: 20,259,591 km (0.048 R)
• M25: 21,711,887 km (0.062 R)
• M26: 22,010,484 km (0.097 R)
• M27: 28,216,402 km (0.093 R)
• M28: 29,171,136 km (0.119 R)
• M29: 31,524,759 km (0.047 R)
• M30: 33,602,225 km (0.097 R)
• M31: 34,674,542 km (0.088 R)
• M32: 35,769,300 km (0.06 R)
• M33: 36,746,024 km (0.094 R)
• M34: 38,316,503 km (0.104 R)
• M35: 39,044,895 km (0.069 R)
• M36: 42,514,967 km (0.116 R)
• M37: 43,138,640 km (0.11 R)
• M38: 59,415,338 km (0.081 R)
• M39: 75,414,381 km (0.065 R)
• M40: 76,787,540 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.8

Radius: 6.7

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 9.16 AU - 12.48 AU

Year: 22980 Days

Day: 23 Hours

Environment

Temp: -221 °C

Axial Tilt: 117 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,336,897 km

• M1: 85,720 km (0.069 R)
• M2: 530,175 km (0.095 R)
• M3: 869,313 km (0.067 R)
• M4: 1,526,048 km (0.057 R)
• M5: 2,132,069 km (0.106 R)
• M6: 2,675,109 km (0.075 R)
• M7: 3,407,391 km (0.076 R)
• M8: 4,078,936 km (0.111 R)
• M9: 4,581,884 km (0.047 R)
• M10: 6,247,357 km (0.12 R)
• M11: 7,080,916 km (0.087 R)
• M12: 8,657,229 km (0.119 R)
• M13: 10,281,263 km (0.106 R)
• M14: 11,860,269 km (0.106 R)
• M15: 14,549,141 km (0.078 R)
• M16: 16,414,178 km (0.082 R)
• M17: 19,667,333 km (0.063 R)
• M18: 25,002,292 km (0.112 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: 181 - 15,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit