🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310

Radius: 10.1

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.59 AU - 0.63 AU

Year: 335 Days

Day: 6.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,609,036 km

• M1: 125,662 km (0.098 R)
• M2: 627,713 km (0.09 R)
• M3: 956,678 km (0.094 R)
• M4: 1,303,745 km (0.102 R)
• M5: 1,642,435 km (0.096 R)
• M6: 2,240,079 km (0.102 R)
• M7: 2,594,476 km (0.101 R)
• M8: 2,986,422 km (0.086 R)
• M9: 3,779,291 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.7

Radius: 11.9

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.69 AU - 0.75 AU

Year: 429 Days

Day: 6.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,609,036 km

• M1: 149,897 km (0.072 R)
• M2: 663,167 km (0.036 R)
• M3: 1,186,461 km (0.08 R)
• M4: 2,127,431 km (0.086 R)
• M5: 2,623,498 km (0.073 R)
• M6: 3,082,763 km (0.091 R)
• M7: 3,626,851 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.6

Radius: 13.2

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.96 AU - 1.04 AU

Year: 703 Days

Day: 11.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,609,036 km

• M1: 164,109 km (0.12 R)
• M2: 602,580 km (0.102 R)
• M3: 1,262,307 km (0.072 R)
• M4: 1,901,239 km (0.113 R)
• M5: 2,696,950 km (0.109 R)
• M6: 3,138,563 km (0.074 R)
• M7: 3,672,029 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.7

Radius: 13.8

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.17 AU - 1.73 AU

Year: 1227 Days

Day: 7.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,609,036 km

• M1: 171,589 km (0.054 R)
• M2: 683,363 km (0.053 R)
• M3: 1,139,786 km (0.089 R)
• M4: 1,878,500 km (0.091 R)
• M5: 2,382,346 km (0.103 R)
• M6: 3,462,592 km (0.118 R)
• M7: 4,105,863 km (0.07 R)
• M8: 5,066,730 km (0.095 R)
• M9: 5,765,053 km (0.043 R)
• M10: 6,995,346 km (0.116 R)
• M11: 8,741,602 km (0.074 R)
• M12: 9,653,700 km (0.067 R)
• M13: 10,263,461 km (0.119 R)
• M14: 12,849,260 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.3

Radius: 10.4

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.42 AU - 1.72 AU

Year: 1383 Days

Day: 6 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,609,036 km

• M1: 129,402 km (0.11 R)
• M2: 506,688 km (0.11 R)
• M3: 952,190 km (0.053 R)
• M4: 1,296,565 km (0.111 R)
• M5: 1,639,293 km (0.069 R)
• M6: 2,248,606 km (0.108 R)
• M7: 2,594,925 km (0.079 R)
• M8: 3,658,566 km (0.094 R)
• M9: 4,389,800 km (0.1 R)
• M10: 4,737,017 km (0.071 R)
• M11: 5,911,360 km (0.029 R)
• M12: 6,270,844 km (0.118 R)
• M13: 6,622,548 km (0.107 R)
• M14: 7,127,591 km (0.095 R)
• M15: 9,639,040 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.6

Radius: 12.8

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.5 AU - 2.32 AU

Year: 1855 Days

Day: 11.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,609,036 km

• M1: 159,172 km (0.102 R)
• M2: 584,180 km (0.109 R)
• M3: 1,335,759 km (0.114 R)
• M4: 1,987,408 km (0.06 R)
• M5: 2,629,781 km (0.1 R)
• M6: 3,054,639 km (0.119 R)
• M7: 3,559,681 km (0.067 R)
• M8: 3,988,728 km (0.115 R)
• M9: 4,432,435 km (0.059 R)
• M10: 4,973,830 km (0.086 R)
• M11: 6,445,125 km (0.059 R)
• M12: 7,366,199 km (0.104 R)
• M13: 8,158,769 km (0.069 R)
• M14: 10,954,304 km (0.102 R)
• M15: 12,958,916 km (0.111 R)
• M16: 15,759,537 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.9

Radius: 8.2

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.44 AU - 2.76 AU

Year: 2947 Days

Day: 6.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,609,036 km

• M1: 102,774 km (0.098 R)
• M2: 369,507 km (0.119 R)
• M3: 1,381,387 km (0.082 R)
• M4: 1,937,442 km (0.119 R)
• M5: 2,230,504 km (0.069 R)
• M6: 3,626,252 km (0.081 R)
• M7: 4,559,294 km (0.063 R)
• M8: 5,017,213 km (0.062 R)
• M9: 5,832,223 km (0.081 R)
• M10: 8,558,345 km (0.107 R)
• M11: 10,477,685 km (0.05 R)
• M12: 11,996,403 km (0.055 R)
• M13: 14,608,082 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.5

Radius: 11.9

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.56 AU - 4.76 AU

Year: 5964 Days

Day: 12 Hours

Environment

Temp: -219 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,609,036 km

• M1: 148,251 km (0.113 R)
• M2: 583,880 km (0.115 R)
• M3: 1,136,046 km (0.112 R)
• M4: 2,192,058 km (0.102 R)
• M5: 2,934,811 km (0.116 R)
• M6: 3,461,246 km (0.113 R)
• M7: 4,073,849 km (0.109 R)
• M8: 6,552,387 km (0.12 R)
• M9: 8,052,405 km (0.106 R)
• M10: 8,559,990 km (0.096 R)
• M11: 10,257,627 km (0.102 R)
• M12: 10,715,097 km (0.091 R)
• M13: 13,050,021 km (0.09 R)
• M14: 14,706,967 km (0.104 R)
• M15: 15,112,975 km (0.082 R)
• M16: 17,320,741 km (0.081 R)
• M17: 19,875,872 km (0.062 R)
• M18: 25,305,976 km (0.093 R)
• M19: 25,805,782 km (0.078 R)
• M20: 28,136,966 km (0.063 R)
• M21: 30,511,234 km (0.073 R)
• M22: 32,818,930 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.2

Radius: 8.4

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.3 AU - 5.58 AU

Year: 7718 Days

Day: 5.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 41,609,036 km

• M1: 104,419 km (0.109 R)
• M2: 386,262 km (0.06 R)
• M3: 800,049 km (0.104 R)
• M4: 1,278,164 km (0.043 R)
• M5: 1,621,192 km (0.063 R)
• M6: 2,101,551 km (0.088 R)
• M7: 2,375,764 km (0.114 R)
• M8: 2,785,064 km (0.101 R)
• M9: 3,199,300 km (0.057 R)
• M10: 3,631,638 km (0.045 R)
• M11: 3,980,949 km (0.118 R)
• M12: 6,369,877 km (0.102 R)
• M13: 6,638,406 km (0.07 R)
• M14: 7,489,617 km (0.078 R)
• M15: 8,776,458 km (0.058 R)
• M16: 9,109,463 km (0.08 R)
• M17: 12,034,102 km (0.113 R)
• M18: 16,081,322 km (0.115 R)
• M19: 18,140,537 km (0.053 R)
• M20: 18,956,145 km (0.05 R)
• M21: 20,225,034 km (0.04 R)
• M22: 21,101,827 km (0.098 R)
• M23: 22,541,557 km (0.085 R)
• M24: 22,852,870 km (0.09 R)
• M25: 26,039,753 km (0.117 R)
• M26: 28,231,661 km (0.082 R)
• M27: 28,502,583 km (0.036 R)
• M28: 32,284,417 km (0.064 R)
• M29: 32,779,437 km (0.046 R)
• M30: 33,279,542 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.2

Radius: 6.2

Gravity: 11.09 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.53 AU - 6.41 AU

Year: 10253 Days

Day: 24.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 41,609,036 km

• M1: 164,258 km (0.094 R)
• M2: 673,041 km (0.108 R)
• M3: 988,842 km (0.107 R)
• M4: 1,198,429 km (0.108 R)
• M5: 1,502,860 km (0.064 R)
• M6: 1,935,198 km (0.107 R)
• M7: 2,636,662 km (0.083 R)
• M8: 2,897,860 km (0.067 R)
• M9: 4,756,913 km (0.101 R)
• M10: 6,949,419 km (0.107 R)
• M11: 9,183,215 km (0.068 R)
• M12: 12,017,347 km (0.059 R)
• M13: 12,512,516 km (0.03 R)
• M14: 12,850,158 km (0.115 R)
• M15: 13,251,679 km (0.108 R)
• M16: 13,661,427 km (0.048 R)
• M17: 15,321,814 km (0.118 R)
• M18: 16,906,803 km (0.098 R)
• M19: 17,181,166 km (0.112 R)
• M20: 18,598,007 km (0.107 R)
• M21: 21,024,036 km (0.113 R)
• M22: 21,742,704 km (0.048 R)
• M23: 22,230,692 km (0.105 R)
• M24: 23,060,362 km (0.12 R)
• M25: 24,430,379 km (0.086 R)
• M26: 24,869,449 km (0.07 R)
• M27: 26,771,137 km (0.11 R)
• M28: 27,900,302 km (0.104 R)
• M29: 28,767,671 km (0.106 R)
• M30: 29,553,658 km (0.113 R)
• M31: 29,852,106 km (0.08 R)
• M32: 30,152,498 km (0.106 R)
• M33: 31,374,413 km (0.109 R)
• M34: 35,461,128 km (0.067 R)
• M35: 35,798,172 km (0.118 R)
• M36: 39,647,176 km (0.085 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 16,407 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit