🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.3

Radius: 9.9

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.49 AU - 0.55 AU

Year: 254 Days

Day: 8.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,739,651 km

• M1: 123,119 km (0.077 R)
• M2: 466,745 km (0.045 R)
• M3: 837,598 km (0.112 R)
• M4: 1,220,719 km (0.098 R)
• M5: 1,618,200 km (0.073 R)
• M6: 2,512,945 km (0.106 R)
• M7: 3,402,604 km (0.084 R)
• M8: 3,844,665 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.4

Radius: 8.1

Gravity: 14.78 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.43 AU - 0.67 AU

Year: 277 Days

Day: 5.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,739,651 km

• M1: 100,979 km (0.047 R)
• M2: 365,318 km (0.105 R)
• M3: 637,287 km (0.106 R)
• M4: 929,452 km (0.07 R)
• M5: 1,525,150 km (0.073 R)
• M6: 1,984,266 km (0.065 R)
• M7: 2,242,622 km (0.079 R)
• M8: 2,730,311 km (0.063 R)
• M9: 3,010,059 km (0.046 R)
• M10: 3,782,433 km (0.096 R)
• M11: 4,313,655 km (0.106 R)
• M12: 4,569,916 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.5

Radius: 9.4

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.69 AU - 0.83 AU

Year: 449 Days

Day: 9.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,739,651 km

• M1: 116,836 km (0.084 R)
• M2: 461,210 km (0.075 R)
• M3: 852,409 km (0.083 R)
• M4: 1,560,455 km (0.101 R)
• M5: 2,190,113 km (0.104 R)
• M6: 2,619,459 km (0.09 R)
• M7: 3,314,640 km (0.109 R)
• M8: 3,660,959 km (0.045 R)
• M9: 4,141,767 km (0.063 R)
• M10: 4,801,493 km (0.043 R)
• M11: 5,132,703 km (0.098 R)
• M12: 5,649,414 km (0.12 R)
• M13: 5,983,017 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.7

Radius: 10.1

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.97 AU - 1.31 AU

Year: 826 Days

Day: 12.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,739,651 km

• M1: 125,662 km (0.074 R)
• M2: 514,317 km (0.12 R)
• M3: 887,265 km (0.101 R)
• M4: 1,473,539 km (0.057 R)
• M5: 1,812,528 km (0.063 R)
• M6: 2,394,464 km (0.106 R)
• M7: 3,801,581 km (0.056 R)
• M8: 4,184,701 km (0.117 R)
• M9: 4,691,539 km (0.046 R)
• M10: 5,828,333 km (0.108 R)
• M11: 6,647,531 km (0.057 R)
• M12: 7,428,581 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.5

Radius: 10.2

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.53 AU - 1.57 AU

Year: 1309 Days

Day: 13.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,739,651 km

• M1: 126,859 km (0.091 R)
• M2: 540,048 km (0.102 R)
• M3: 1,010,234 km (0.104 R)
• M4: 1,372,860 km (0.088 R)
• M5: 2,312,035 km (0.113 R)
• M6: 2,914,167 km (0.102 R)
• M7: 3,252,707 km (0.079 R)
• M8: 4,727,592 km (0.115 R)
• M9: 5,097,398 km (0.068 R)
• M10: 6,006,055 km (0.096 R)
• M11: 6,701,685 km (0.116 R)
• M12: 7,144,196 km (0.042 R)
• M13: 8,006,179 km (0.095 R)
• M14: 8,790,820 km (0.105 R)
• M15: 9,656,692 km (0.065 R)
• M16: 10,031,136 km (0.065 R)
• M17: 11,043,614 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.5

Radius: 9.8

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.15 AU - 2.97 AU

Year: 2778 Days

Day: 14.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,739,651 km

• M1: 121,922 km (0.06 R)
• M2: 439,967 km (0.093 R)
• M3: 803,341 km (0.1 R)
• M4: 1,679,834 km (0.094 R)
• M5: 2,291,839 km (0.072 R)
• M6: 3,577,334 km (0.097 R)
• M7: 4,614,197 km (0.115 R)
• M8: 5,017,363 km (0.069 R)
• M9: 5,495,777 km (0.034 R)
• M10: 6,370,027 km (0.1 R)
• M11: 6,961,836 km (0.071 R)
• M12: 7,851,644 km (0.085 R)
• M13: 8,462,452 km (0.108 R)
• M14: 11,227,470 km (0.098 R)
• M15: 13,374,349 km (0.059 R)
• M16: 14,245,756 km (0.111 R)
• M17: 16,047,812 km (0.09 R)
• M18: 16,480,150 km (0.089 R)
• M19: 17,997,073 km (0.061 R)
• M20: 19,300,070 km (0.073 R)
• M21: 22,561,304 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.6

Radius: 8.3

Gravity: 13.33 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.69 AU - 3.11 AU

Year: 3350 Days

Day: 14.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 71.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,739,651 km

• M1: 103,223 km (0.109 R)
• M2: 495,169 km (0.111 R)
• M3: 795,711 km (0.12 R)
• M4: 1,145,920 km (0.098 R)
• M5: 1,442,123 km (0.059 R)
• M6: 1,997,880 km (0.082 R)
• M7: 2,295,729 km (0.09 R)
• M8: 2,911,175 km (0.115 R)
• M9: 3,334,537 km (0.048 R)
• M10: 4,190,835 km (0.113 R)
• M11: 4,467,441 km (0.088 R)
• M12: 6,666,081 km (0.089 R)
• M13: 7,043,965 km (0.104 R)
• M14: 8,157,572 km (0.098 R)
• M15: 8,444,351 km (0.073 R)
• M16: 8,887,161 km (0.043 R)
• M17: 9,345,379 km (0.057 R)
• M18: 10,814,879 km (0.065 R)
• M19: 11,249,161 km (0.087 R)
• M20: 11,649,785 km (0.088 R)
• M21: 12,338,832 km (0.076 R)
• M22: 14,938,395 km (0.084 R)
• M23: 15,531,849 km (0.105 R)
• M24: 15,973,163 km (0.091 R)
• M25: 17,465,402 km (0.075 R)
• M26: 17,882,481 km (0.058 R)
• M27: 20,791,112 km (0.113 R)
• M28: 22,849,280 km (0.117 R)
• M29: 23,636,912 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.9

Radius: 3.7

Gravity: 60.4 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.77 AU - 6.99 AU

Year: 9671 Days

Day: 24.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 53,739,651 km

• M1: 46,076 km (0.09 R)
• M2: 282,441 km (0.029 R)
• M3: 660,624 km (0.119 R)
• M4: 1,326,185 km (0.094 R)
• M5: 1,503,010 km (0.117 R)
• M6: 1,710,801 km (0.113 R)
• M7: 1,937,592 km (0.027 R)
• M8: 2,129,376 km (0.1 R)
• M9: 2,276,880 km (0.051 R)
• M10: 2,803,913 km (0.063 R)
• M11: 3,358,472 km (0.097 R)
• M12: 3,507,920 km (0.105 R)
• M13: 4,559,743 km (0.057 R)
• M14: 5,595,110 km (0.065 R)
• M15: 8,207,238 km (0.088 R)
• M16: 8,663,063 km (0.118 R)
• M17: 10,029,041 km (0.109 R)
• M18: 12,161,559 km (0.053 R)
• M19: 12,934,681 km (0.081 R)
• M20: 13,117,639 km (0.026 R)
• M21: 19,926,436 km (0.107 R)
• M22: 21,935,386 km (0.053 R)
• M23: 27,741,429 km (0.045 R)
• M24: 28,249,912 km (0.102 R)
• M25: 28,557,934 km (0.069 R)
• M26: 32,768,815 km (0.108 R)
• M27: 33,336,988 km (0.103 R)
• M28: 36,884,103 km (0.111 R)
• M29: 37,622,518 km (0.066 R)
• M30: 37,995,316 km (0.088 R)
• M31: 38,748,392 km (0.111 R)
• M32: 43,204,912 km (0.082 R)
• M33: 44,025,307 km (0.114 R)
• M34: 45,696,914 km (0.057 R)
• M35: 46,978,070 km (0.113 R)
• M36: 47,990,997 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.9

Radius: 5.7

Gravity: 27.45 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.43 AU - 8.71 AU

Year: 12750 Days

Day: 22.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 63 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,739,651 km

• M1: 71,807 km (0.029 R)
• M2: 608,265 km (0.056 R)
• M3: 1,240,914 km (0.037 R)
• M4: 1,601,445 km (0.117 R)
• M5: 1,937,891 km (0.089 R)
• M6: 2,529,999 km (0.092 R)
• M7: 2,844,454 km (0.099 R)
• M8: 4,064,574 km (0.048 R)
• M9: 4,307,671 km (0.112 R)
• M10: 5,561,301 km (0.065 R)
• M11: 6,132,914 km (0.034 R)
• M12: 12,889,801 km (0.088 R)
• M13: 14,792,836 km (0.087 R)
• M14: 18,149,064 km (0.114 R)
• M15: 18,477,132 km (0.07 R)
• M16: 20,003,180 km (0.091 R)
• M17: 21,337,593 km (0.079 R)
• M18: 24,981,498 km (0.119 R)
• M19: 26,527,143 km (0.077 R)
• M20: 33,841,582 km (0.075 R)
• M21: 37,956,720 km (0.078 R)
• M22: 38,358,839 km (0.092 R)
• M23: 41,394,778 km (0.103 R)
• M24: 57,399,656 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.8

Radius: 3

Gravity: 25.31 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.55 AU - 9.91 AU

Year: 20585 Days

Day: 19.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,739,651 km

• M1: 37,399 km (0.106 R)
• M2: 301,141 km (0.118 R)
• M3: 770,429 km (0.057 R)
• M4: 1,764,208 km (0.118 R)
• M5: 1,915,002 km (0.072 R)
• M6: 2,300,516 km (0.111 R)
• M7: 2,757,538 km (0.116 R)
• M8: 10,569,538 km (0.086 R)
• M9: 16,923,110 km (0.091 R)
• M10: 31,077,761 km (0.105 R)
• M11: 33,017,297 km (0.07 R)
• M12: 35,890,474 km (0.089 R)
• M13: 46,517,907 km (0.069 R)
• M14: 46,958,323 km (0.059 R)
• M15: 50,426,899 km (0.056 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: 367 - 17,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit