🌌 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: 230.4

Radius: 9.7

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.51 AU - 0.61 AU

Year: 289 Days

Day: 13.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,621,418 km

• M1: 120,576 km (0.109 R)
• M2: 463,155 km (0.118 R)
• M3: 779,555 km (0.069 R)
• M4: 1,143,377 km (0.116 R)
• M5: 1,472,941 km (0.097 R)
• M6: 1,779,915 km (0.047 R)
• M7: 2,286,155 km (0.118 R)
• M8: 2,677,802 km (0.053 R)
• M9: 3,132,131 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.3

Radius: 9.4

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.58 AU - 0.6 AU

Year: 313 Days

Day: 8.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,621,418 km

• M1: 116,836 km (0.1 R)
• M2: 430,842 km (0.095 R)
• M3: 1,047,185 km (0.106 R)
• M4: 1,435,242 km (0.093 R)
• M5: 1,729,950 km (0.089 R)
• M6: 2,195,199 km (0.106 R)
• M7: 2,489,757 km (0.074 R)
• M8: 2,880,208 km (0.112 R)
• M9: 3,180,900 km (0.063 R)
• M10: 3,724,987 km (0.109 R)
• M11: 4,095,840 km (0.116 R)
• M12: 4,545,980 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.4

Radius: 8.6

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.61 AU - 0.69 AU

Year: 362 Days

Day: 5.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,621,418 km

• M1: 106,962 km (0.102 R)
• M2: 424,110 km (0.047 R)
• M3: 1,074,562 km (0.104 R)
• M4: 1,481,767 km (0.117 R)
• M5: 2,221,977 km (0.048 R)
• M6: 2,583,256 km (0.076 R)
• M7: 3,488,473 km (0.108 R)
• M8: 3,795,298 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.3

Radius: 10.8

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.53 AU - 0.81 AU

Year: 379 Days

Day: 6 Hours

Environment

Temp: -161 °C

Axial Tilt: 124.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,621,418 km

• M1: 134,937 km (0.058 R)
• M2: 506,538 km (0.104 R)
• M3: 932,892 km (0.109 R)
• M4: 1,288,935 km (0.105 R)
• M5: 1,634,506 km (0.085 R)
• M6: 2,139,100 km (0.117 R)
• M7: 2,510,402 km (0.111 R)
• M8: 2,965,778 km (0.114 R)
• M9: 3,782,582 km (0.09 R)
• M10: 4,133,389 km (0.109 R)
• M11: 4,644,415 km (0.095 R)
• M12: 5,122,081 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834

Radius: 12.5

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.55 AU - 0.83 AU

Year: 396 Days

Day: 11 Hours

Environment

Temp: -157 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,621,418 km

• M1: 155,432 km (0.09 R)
• M2: 596,596 km (0.09 R)
• M3: 1,171,800 km (0.069 R)
• M4: 1,796,670 km (0.096 R)
• M5: 2,235,591 km (0.108 R)
• M6: 2,665,984 km (0.059 R)
• M7: 3,118,517 km (0.067 R)
• M8: 3,797,991 km (0.106 R)
• M9: 4,290,467 km (0.065 R)
• M10: 4,946,902 km (0.077 R)
• M11: 5,552,475 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.8

Radius: 8.9

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.67 AU - 0.71 AU

Year: 396 Days

Day: 10.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,621,418 km

• M1: 110,702 km (0.075 R)
• M2: 395,387 km (0.106 R)
• M3: 706,551 km (0.096 R)
• M4: 1,054,515 km (0.094 R)
• M5: 1,368,671 km (0.075 R)
• M6: 1,675,945 km (0.105 R)
• M7: 2,021,815 km (0.077 R)
• M8: 2,514,591 km (0.07 R)
• M9: 3,447,333 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.7

Radius: 8.3

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.89 AU - 0.97 AU

Year: 619 Days

Day: 7.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,621,418 km

• M1: 103,223 km (0.095 R)
• M2: 455,675 km (0.12 R)
• M3: 1,008,140 km (0.071 R)
• M4: 1,361,341 km (0.095 R)
• M5: 1,632,113 km (0.085 R)
• M6: 2,013,288 km (0.063 R)
• M7: 2,330,585 km (0.081 R)
• M8: 2,640,552 km (0.047 R)
• M9: 3,033,246 km (0.09 R)
• M10: 3,452,420 km (0.098 R)
• M11: 3,804,573 km (0.12 R)
• M12: 4,493,621 km (0.073 R)
• M13: 5,182,369 km (0.083 R)
• M14: 5,834,616 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.2

Radius: 8.3

Gravity: 10.12 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.88 AU - 1.26 AU

Year: 764 Days

Day: 13.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,621,418 km

• M1: 103,223 km (0.093 R)
• M2: 389,553 km (0.067 R)
• M3: 685,757 km (0.092 R)
• M4: 1,034,170 km (0.067 R)
• M5: 1,666,819 km (0.088 R)
• M6: 2,098,559 km (0.098 R)
• M7: 2,958,148 km (0.047 R)
• M8: 3,225,629 km (0.096 R)
• M9: 3,824,320 km (0.117 R)
• M10: 4,364,667 km (0.079 R)
• M11: 5,445,961 km (0.066 R)
• M12: 5,929,012 km (0.073 R)
• M13: 7,481,090 km (0.063 R)
• M14: 7,980,598 km (0.055 R)

Planet 9 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100

Radius: 14

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.11 AU - 1.51 AU

Year: 1035 Days

Day: 14.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,621,418 km

• M1: 174,132 km (0.108 R)
• M2: 642,672 km (0.063 R)
• M3: 1,253,032 km (0.118 R)
• M4: 1,737,729 km (0.115 R)
• M5: 2,313,980 km (0.115 R)
• M6: 3,102,361 km (0.104 R)
• M7: 3,698,658 km (0.103 R)
• M8: 4,809,422 km (0.104 R)
• M9: 5,387,618 km (0.08 R)

Planet 10 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.9

Radius: 12.5

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.04 AU - 3.48 AU

Year: 4063 Days

Day: 6.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,621,418 km

• M1: 156,031 km (0.104 R)
• M2: 974,780 km (0.062 R)
• M3: 2,632,025 km (0.102 R)
• M4: 3,231,164 km (0.053 R)
• M5: 3,898,221 km (0.069 R)
• M6: 4,534,760 km (0.09 R)
• M7: 5,646,422 km (0.086 R)
• M8: 7,158,557 km (0.079 R)
• M9: 10,451,206 km (0.104 R)
• M10: 10,923,637 km (0.063 R)
• M11: 12,379,822 km (0.116 R)
• M12: 14,377,403 km (0.032 R)
• M13: 16,639,472 km (0.058 R)
• M14: 18,438,386 km (0.113 R)
• M15: 19,513,546 km (0.111 R)
• M16: 20,165,195 km (0.036 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 16,482 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit