🌌 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: 290.5

Radius: 8.5

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.54 AU - 0.58 AU

Year: 289 Days

Day: 10.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,621,530 km

• M1: 105,766 km (0.117 R)
• M2: 467,045 km (0.109 R)
• M3: 743,950 km (0.106 R)
• M4: 1,038,060 km (0.065 R)
• M5: 1,595,012 km (0.118 R)
• M6: 1,859,502 km (0.119 R)
• M7: 2,226,316 km (0.088 R)
• M8: 2,518,480 km (0.076 R)
• M9: 2,987,320 km (0.111 R)
• M10: 3,334,686 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.7

Radius: 10.2

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.72 AU - 0.86 AU

Year: 485 Days

Day: 8.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 24,621,530 km

• M1: 127,009 km (0.107 R)
• M2: 525,089 km (0.065 R)
• M3: 918,531 km (0.055 R)
• M4: 1,811,780 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.2

Radius: 13.8

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.22 AU - 1.36 AU

Year: 1011 Days

Day: 9.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,621,530 km

• M1: 171,589 km (0.113 R)
• M2: 681,717 km (0.09 R)
• M3: 1,118,244 km (0.037 R)
• M4: 1,656,348 km (0.111 R)
• M5: 2,291,091 km (0.095 R)
• M6: 3,098,172 km (0.071 R)
• M7: 3,711,224 km (0.108 R)
• M8: 4,269,074 km (0.114 R)
• M9: 5,655,847 km (0.117 R)
• M10: 6,735,345 km (0.12 R)
• M11: 8,688,196 km (0.112 R)
• M12: 10,003,610 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.9

Radius: 9.4

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.21 AU - 1.57 AU

Year: 1131 Days

Day: 14.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,621,530 km

• M1: 116,986 km (0.08 R)
• M2: 510,727 km (0.088 R)
• M3: 1,093,411 km (0.118 R)
• M4: 1,394,551 km (0.111 R)
• M5: 1,983,518 km (0.105 R)
• M6: 2,897,561 km (0.093 R)
• M7: 3,210,819 km (0.034 R)
• M8: 4,625,417 km (0.103 R)
• M9: 5,036,212 km (0.069 R)
• M10: 5,656,295 km (0.092 R)
• M11: 6,669,223 km (0.101 R)
• M12: 8,219,954 km (0.091 R)
• M13: 9,398,486 km (0.077 R)
• M14: 10,654,211 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879

Radius: 9

Gravity: 10.85 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.58 AU - 1.98 AU

Year: 1639 Days

Day: 5.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,621,530 km

• M1: 119,230 km (0.089 R)
• M2: 534,364 km (0.113 R)
• M3: 858,991 km (0.099 R)
• M4: 1,179,430 km (0.102 R)
• M5: 1,476,830 km (0.089 R)
• M6: 1,979,180 km (0.057 R)
• M7: 2,745,570 km (0.093 R)
• M8: 3,457,656 km (0.098 R)
• M9: 3,984,988 km (0.08 R)
• M10: 4,307,072 km (0.068 R)
• M11: 5,447,606 km (0.116 R)
• M12: 6,568,394 km (0.109 R)
• M13: 8,374,190 km (0.12 R)
• M14: 9,325,333 km (0.103 R)
• M15: 10,346,937 km (0.101 R)
• M16: 12,016,599 km (0.092 R)
• M17: 12,410,789 km (0.07 R)
• M18: 13,183,462 km (0.038 R)
• M19: 13,901,681 km (0.08 R)
• M20: 14,292,431 km (0.05 R)
• M21: 14,601,351 km (0.083 R)
• M22: 15,141,249 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.3

Radius: 11.9

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.38 AU - 3.42 AU

Year: 3409 Days

Day: 7.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 24,621,530 km

• M1: 148,102 km (0.088 R)
• M2: 620,083 km (0.087 R)
• M3: 1,016,069 km (0.077 R)
• M4: 1,521,111 km (0.114 R)
• M5: 2,037,523 km (0.063 R)
• M6: 2,587,894 km (0.075 R)
• M7: 3,014,547 km (0.115 R)
• M8: 3,488,323 km (0.038 R)
• M9: 4,881,977 km (0.117 R)
• M10: 5,788,989 km (0.082 R)
• M11: 8,473,822 km (0.091 R)
• M12: 9,228,094 km (0.089 R)
• M13: 11,624,203 km (0.113 R)
• M14: 12,844,473 km (0.119 R)
• M15: 14,148,368 km (0.079 R)
• M16: 14,939,591 km (0.109 R)
• M17: 15,538,432 km (0.12 R)
• M18: 17,372,053 km (0.095 R)
• M19: 18,034,472 km (0.09 R)
• M20: 19,473,903 km (0.12 R)
• M21: 20,254,654 km (0.064 R)
• M22: 21,878,689 km (0.087 R)
• M23: 22,438,783 km (0.103 R)
• M24: 23,442,136 km (0.092 R)
• M25: 24,028,709 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220

Radius: 13

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.12 AU - 6.36 AU

Year: 8280 Days

Day: 10.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,621,530 km

• M1: 169,644 km (0.076 R)
• M2: 856,448 km (0.107 R)
• M3: 1,842,896 km (0.066 R)
• M4: 2,309,342 km (0.109 R)
• M5: 2,872,878 km (0.076 R)
• M6: 4,668,650 km (0.1 R)
• M7: 5,520,012 km (0.083 R)
• M8: 8,102,370 km (0.11 R)
• M9: 14,897,854 km (0.072 R)
• M10: 17,837,302 km (0.086 R)
• M11: 20,179,556 km (0.054 R)
• M12: 23,537,280 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.7

Radius: 7.9

Gravity: 15.55 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.85 AU - 7.89 AU

Year: 13811 Days

Day: 24.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 24,621,530 km

• M1: 98,286 km (0.113 R)
• M2: 724,502 km (0.088 R)
• M3: 1,353,113 km (0.096 R)
• M4: 1,792,482 km (0.082 R)
• M5: 2,282,864 km (0.05 R)
• M6: 5,436,087 km (0.117 R)
• M7: 6,587,692 km (0.117 R)
• M8: 7,064,460 km (0.06 R)
• M9: 7,610,642 km (0.107 R)
• M10: 8,184,500 km (0.097 R)
• M11: 8,735,618 km (0.116 R)
• M12: 9,418,682 km (0.101 R)
• M13: 10,193,449 km (0.091 R)
• M14: 17,493,676 km (0.079 R)
• M15: 28,112,581 km (0.049 R)
• M16: 28,677,313 km (0.078 R)
• M17: 33,851,006 km (0.109 R)
• M18: 41,769,072 km (0.116 R)
• M19: 43,698,884 km (0.092 R)
• M20: 44,762,226 km (0.117 R)
• M21: 45,532,356 km (0.092 R)
• M22: 46,311,162 km (0.085 R)
• M23: 47,895,553 km (0.114 R)
• M24: 51,004,646 km (0.053 R)
• M25: 54,420,115 km (0.082 R)
• M26: 57,440,496 km (0.041 R)
• M27: 64,397,246 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 24.7

Radius: 6.9

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.76 AU - 9.72 AU

Year: 19387 Days

Day: 15.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,621,530 km

• M1: 238,609 km (0.034 R)
• M2: 492,626 km (0.097 R)
• M3: 795,711 km (0.089 R)
• M4: 1,507,947 km (0.099 R)
• M5: 2,397,007 km (0.047 R)
• M6: 3,759,394 km (0.113 R)
• M7: 6,047,195 km (0.037 R)
• M8: 8,941,764 km (0.114 R)
• M9: 13,173,439 km (0.107 R)
• M10: 14,267,747 km (0.1 R)
• M11: 15,475,152 km (0.06 R)
• M12: 17,734,977 km (0.11 R)
• M13: 18,211,895 km (0.116 R)
• M14: 24,037,386 km (0.096 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 12,114 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit