🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.4

Radius: 13.5

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.51 AU - 0.55 AU

Year: 271 Days

Day: 13.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,880,842 km

• M1: 169,494 km (0.109 R)
• M2: 635,941 km (0.115 R)
• M3: 1,147,715 km (0.105 R)
• M4: 1,569,581 km (0.11 R)
• M5: 2,078,363 km (0.072 R)
• M6: 2,559,769 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.1

Radius: 8

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.56 AU - 0.84 AU

Year: 412 Days

Day: 7.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 22,880,842 km

• M1: 141,968 km (0.079 R)
• M2: 673,789 km (0.068 R)
• M3: 1,037,461 km (0.091 R)
• M4: 1,598,154 km (0.059 R)
• M5: 1,958,835 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.8

Radius: 13.9

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.84 AU - 1.1 AU

Year: 672 Days

Day: 8.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,880,842 km

• M1: 173,384 km (0.118 R)
• M2: 637,437 km (0.108 R)
• M3: 1,173,745 km (0.074 R)
• M4: 1,959,283 km (0.053 R)
• M5: 2,608,089 km (0.106 R)
• M6: 3,056,135 km (0.092 R)
• M7: 3,492,063 km (0.079 R)
• M8: 3,946,541 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.7

Radius: 13.3

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.82 AU - 1.36 AU

Year: 800 Days

Day: 13 Hours

Environment

Temp: -174 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,880,842 km

• M1: 165,754 km (0.117 R)
• M2: 724,802 km (0.093 R)
• M3: 1,276,519 km (0.094 R)
• M4: 2,351,379 km (0.069 R)
• M5: 3,259,438 km (0.116 R)
• M6: 3,692,075 km (0.118 R)
• M7: 4,116,185 km (0.091 R)
• M8: 6,728,613 km (0.11 R)
• M9: 7,436,061 km (0.041 R)
• M10: 8,042,382 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.1

Radius: 8.8

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.14 AU - 1.38 AU

Year: 994 Days

Day: 5.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,880,842 km

• M1: 110,702 km (0.075 R)
• M2: 432,487 km (0.056 R)
• M3: 873,352 km (0.118 R)
• M4: 1,196,334 km (0.109 R)
• M5: 1,507,049 km (0.102 R)
• M6: 1,786,947 km (0.078 R)
• M7: 2,693,958 km (0.083 R)
• M8: 3,249,864 km (0.05 R)
• M9: 3,769,866 km (0.071 R)
• M10: 4,607,614 km (0.085 R)
• M11: 5,564,592 km (0.034 R)
• M12: 6,511,397 km (0.102 R)
• M13: 6,881,053 km (0.117 R)
• M14: 8,804,433 km (0.115 R)
• M15: 9,874,357 km (0.094 R)
• M16: 10,270,193 km (0.06 R)
• M17: 10,613,371 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.2

Radius: 13.4

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.03 AU - 1.71 AU

Year: 1127 Days

Day: 10 Hours

Environment

Temp: -189 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,880,842 km

• M1: 166,951 km (0.09 R)
• M2: 588,368 km (0.096 R)
• M3: 1,496,727 km (0.109 R)
• M4: 2,059,065 km (0.042 R)
• M5: 2,960,243 km (0.055 R)
• M6: 3,463,939 km (0.11 R)
• M7: 4,058,740 km (0.075 R)
• M8: 4,627,511 km (0.107 R)
• M9: 5,794,674 km (0.065 R)
• M10: 8,063,924 km (0.097 R)
• M11: 8,792,465 km (0.111 R)
• M12: 9,595,058 km (0.099 R)
• M13: 11,243,926 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.2

Radius: 12.1

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.55 AU - 1.57 AU

Year: 1370 Days

Day: 6.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,880,842 km

• M1: 150,495 km (0.099 R)
• M2: 542,741 km (0.066 R)
• M3: 1,059,901 km (0.119 R)
• M4: 1,652,458 km (0.11 R)
• M5: 2,144,934 km (0.1 R)
• M6: 2,627,238 km (0.049 R)
• M7: 3,227,275 km (0.114 R)
• M8: 3,676,816 km (0.092 R)
• M9: 4,663,564 km (0.073 R)
• M10: 6,341,304 km (0.094 R)
• M11: 8,069,459 km (0.069 R)
• M12: 9,859,846 km (0.12 R)
• M13: 10,743,072 km (0.068 R)
• M14: 11,457,701 km (0.083 R)
• M15: 12,588,960 km (0.087 R)
• M16: 13,021,896 km (0.037 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.1

Radius: 11.6

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.37 AU - 3.11 AU

Year: 3188 Days

Day: 13.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,880,842 km

• M1: 144,212 km (0.106 R)
• M2: 532,718 km (0.03 R)
• M3: 1,164,320 km (0.1 R)
• M4: 1,675,347 km (0.05 R)
• M5: 2,223,024 km (0.067 R)
• M6: 2,647,882 km (0.11 R)
• M7: 3,838,233 km (0.094 R)
• M8: 4,880,780 km (0.109 R)
• M9: 5,468,700 km (0.088 R)
• M10: 6,838,867 km (0.102 R)
• M11: 7,407,638 km (0.071 R)
• M12: 8,066,766 km (0.07 R)
• M13: 13,281,449 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.4

Radius: 13.6

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.48 AU - 3.52 AU

Year: 3653 Days

Day: 13.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,880,842 km

• M1: 174,880 km (0.036 R)
• M2: 624,721 km (0.069 R)
• M3: 1,304,344 km (0.112 R)
• M4: 1,783,955 km (0.1 R)
• M5: 2,247,558 km (0.104 R)
• M6: 2,776,836 km (0.088 R)
• M7: 4,151,491 km (0.098 R)
• M8: 5,581,646 km (0.055 R)
• M9: 6,732,203 km (0.106 R)
• M10: 9,250,235 km (0.088 R)
• M11: 11,016,836 km (0.115 R)
• M12: 16,428,539 km (0.044 R)

Planet 10 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.3

Radius: 10.6

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.6 AU - 4.22 AU

Year: 4426 Days

Day: 5.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 22,880,842 km

• M1: 132,993 km (0.06 R)
• M2: 500,255 km (0.074 R)
• M3: 1,284,148 km (0.086 R)
• M4: 2,204,773 km (0.106 R)
• M5: 2,554,533 km (0.099 R)
• M6: 3,026,963 km (0.078 R)
• M7: 4,827,822 km (0.031 R)
• M8: 5,606,180 km (0.098 R)
• M9: 6,437,047 km (0.046 R)
• M10: 7,540,331 km (0.092 R)
• M11: 8,909,002 km (0.102 R)
• M12: 9,767,544 km (0.095 R)
• M13: 10,762,220 km (0.094 R)
• M14: 11,390,681 km (0.102 R)
• M15: 11,999,096 km (0.059 R)
• M16: 13,139,480 km (0.067 R)
• M17: 13,567,180 km (0.062 R)
• M18: 14,004,156 km (0.106 R)
• M19: 15,009,005 km (0.06 R)
• M20: 17,105,769 km (0.075 R)
• M21: 18,489,250 km (0.081 R)
• M22: 19,208,217 km (0.111 R)
• M23: 19,945,884 km (0.072 R)
• M24: 22,608,876 km (0.089 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: 450 - 20,125 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit