🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.5

Radius: 12.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.7 AU - 0.92 AU

Year: 471 Days

Day: 8.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,041,084 km

• M1: 153,188 km (0.063 R)
• M2: 610,210 km (0.111 R)
• M3: 1,193,492 km (0.094 R)
• M4: 1,641,238 km (0.09 R)
• M5: 2,086,741 km (0.06 R)
• M6: 2,491,852 km (0.117 R)
• M7: 3,150,980 km (0.074 R)
• M8: 3,640,913 km (0.097 R)
• M9: 4,519,950 km (0.059 R)
• M10: 5,039,952 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.4

Radius: 10.8

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.69 AU - 0.99 AU

Year: 497 Days

Day: 6.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 91,041,084 km

• M1: 134,488 km (0.114 R)
• M2: 602,281 km (0.038 R)
• M3: 1,080,994 km (0.071 R)
• M4: 1,544,448 km (0.115 R)
• M5: 2,052,632 km (0.071 R)
• M6: 2,549,148 km (0.101 R)
• M7: 2,989,863 km (0.117 R)
• M8: 4,039,143 km (0.082 R)
• M9: 4,405,059 km (0.089 R)
• M10: 5,269,136 km (0.102 R)
• M11: 5,829,231 km (0.102 R)
• M12: 6,205,918 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.6

Radius: 9.2

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.88 AU - 1.12 AU

Year: 646 Days

Day: 6.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 91,041,084 km

• M1: 114,442 km (0.087 R)
• M2: 436,676 km (0.076 R)
• M3: 769,980 km (0.033 R)
• M4: 1,398,590 km (0.089 R)
• M5: 1,886,130 km (0.119 R)
• M6: 2,530,598 km (0.115 R)
• M7: 2,930,622 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.6

Radius: 9

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.47 AU - 1.83 AU

Year: 1368 Days

Day: 11.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,041,084 km

• M1: 111,899 km (0.098 R)
• M2: 415,433 km (0.106 R)
• M3: 721,211 km (0.075 R)
• M4: 1,163,423 km (0.118 R)
• M5: 1,584,541 km (0.06 R)
• M6: 1,962,574 km (0.114 R)
• M7: 2,366,190 km (0.088 R)
• M8: 4,017,002 km (0.104 R)
• M9: 4,405,059 km (0.106 R)
• M10: 4,762,598 km (0.097 R)
• M11: 5,158,883 km (0.116 R)
• M12: 5,577,009 km (0.109 R)
• M13: 5,953,397 km (0.059 R)
• M14: 6,549,544 km (0.118 R)
• M15: 6,850,535 km (0.048 R)
• M16: 7,681,851 km (0.12 R)
• M17: 8,043,130 km (0.091 R)
• M18: 9,281,650 km (0.076 R)
• M19: 9,811,077 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.9

Radius: 13.3

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.34 AU - 2.23 AU

Year: 1533 Days

Day: 10.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,041,084 km

• M1: 165,605 km (0.03 R)
• M2: 596,596 km (0.119 R)
• M3: 1,229,694 km (0.107 R)
• M4: 1,730,249 km (0.112 R)
• M5: 2,635,017 km (0.096 R)
• M6: 3,357,275 km (0.079 R)
• M7: 4,208,188 km (0.113 R)
• M8: 4,626,165 km (0.116 R)
• M9: 5,092,910 km (0.119 R)
• M10: 8,293,556 km (0.074 R)
• M11: 9,781,158 km (0.115 R)
• M12: 10,657,801 km (0.056 R)
• M13: 12,183,999 km (0.075 R)
• M14: 12,645,658 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.4

Radius: 10.8

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.51 AU - 2.39 AU

Year: 1758 Days

Day: 12.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 91,041,084 km

• M1: 134,339 km (0.09 R)
• M2: 626,665 km (0.111 R)
• M3: 1,057,208 km (0.112 R)
• M4: 1,407,866 km (0.093 R)
• M5: 1,755,232 km (0.101 R)
• M6: 2,102,299 km (0.045 R)
• M7: 2,521,921 km (0.077 R)
• M8: 3,449,278 km (0.076 R)
• M9: 4,000,696 km (0.037 R)
• M10: 4,413,287 km (0.059 R)
• M11: 4,916,684 km (0.04 R)
• M12: 5,302,497 km (0.117 R)
• M13: 5,639,391 km (0.03 R)
• M14: 5,990,796 km (0.085 R)
• M15: 6,356,713 km (0.104 R)
• M16: 7,133,574 km (0.069 R)
• M17: 8,907,506 km (0.117 R)
• M18: 9,846,681 km (0.096 R)
• M19: 10,357,857 km (0.041 R)
• M20: 11,030,449 km (0.068 R)
• M21: 11,732,063 km (0.053 R)
• M22: 12,151,685 km (0.092 R)
• M23: 12,860,031 km (0.05 R)
• M24: 13,595,604 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.8

Radius: 12.9

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.09 AU - 2.59 AU

Year: 2311 Days

Day: 12.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,041,084 km

• M1: 160,369 km (0.08 R)
• M2: 602,580 km (0.103 R)
• M3: 1,120,488 km (0.097 R)
• M4: 1,881,044 km (0.108 R)
• M5: 2,287,651 km (0.043 R)
• M6: 2,902,797 km (0.081 R)
• M7: 4,225,841 km (0.075 R)
• M8: 4,696,924 km (0.114 R)
• M9: 5,624,132 km (0.115 R)
• M10: 6,273,237 km (0.06 R)
• M11: 6,833,481 km (0.076 R)
• M12: 7,721,494 km (0.083 R)
• M13: 9,484,655 km (0.117 R)
• M14: 10,044,599 km (0.074 R)
• M15: 12,758,754 km (0.088 R)
• M16: 13,925,617 km (0.116 R)
• M17: 16,571,106 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.3

Radius: 14.6

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.03 AU - 3.13 AU

Year: 3490 Days

Day: 5.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 91,041,084 km

• M1: 181,612 km (0.106 R)
• M2: 741,706 km (0.06 R)
• M3: 1,450,501 km (0.053 R)
• M4: 2,098,709 km (0.078 R)
• M5: 2,671,968 km (0.093 R)
• M6: 5,542,900 km (0.09 R)
• M7: 6,531,593 km (0.063 R)
• M8: 7,021,526 km (0.101 R)
• M9: 7,568,904 km (0.115 R)
• M10: 8,532,763 km (0.118 R)
• M11: 9,157,035 km (0.064 R)
• M12: 9,811,676 km (0.104 R)
• M13: 10,957,894 km (0.034 R)
• M14: 12,654,185 km (0.088 R)
• M15: 14,571,132 km (0.072 R)
• M16: 15,198,246 km (0.11 R)
• M17: 16,062,323 km (0.086 R)
• M18: 17,536,012 km (0.051 R)
• M19: 18,305,843 km (0.066 R)
• M20: 20,882,516 km (0.068 R)
• M21: 23,195,748 km (0.088 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581

Radius: 13.1

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.24 AU - 5.32 AU

Year: 5717 Days

Day: 10.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,041,084 km

• M1: 162,912 km (0.051 R)
• M2: 571,613 km (0.091 R)
• M3: 1,153,400 km (0.099 R)
• M4: 1,613,563 km (0.103 R)
• M5: 2,722,232 km (0.114 R)
• M6: 3,130,485 km (0.095 R)
• M7: 3,911,087 km (0.097 R)
• M8: 4,977,570 km (0.102 R)
• M9: 5,770,738 km (0.053 R)
• M10: 6,260,671 km (0.055 R)
• M11: 6,712,307 km (0.119 R)
• M12: 7,150,928 km (0.118 R)
• M13: 7,937,364 km (0.056 R)
• M14: 8,860,083 km (0.106 R)
• M15: 9,389,062 km (0.06 R)
• M16: 11,338,172 km (0.116 R)
• M17: 19,939,003 km (0.097 R)
• M18: 21,495,868 km (0.036 R)
• M19: 23,208,763 km (0.074 R)
• M20: 25,822,836 km (0.045 R)
• M21: 28,189,924 km (0.118 R)
• M22: 29,069,409 km (0.115 R)

Asteroid Belt

Center: 7.77 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 788.6

Radius: 6.2

Gravity: 20.52 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 8.65 AU - 13.87 AU

Year: 24396 Days

Day: 20 Hours

Environment

Temp: -236 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 91,041,084 km

• M1: 77,043 km (0.062 R)
• M2: 332,107 km (0.107 R)
• M3: 652,995 km (0.052 R)
• M4: 860,786 km (0.074 R)
• M5: 1,113,307 km (0.1 R)
• M6: 1,334,563 km (0.078 R)
• M7: 1,847,683 km (0.099 R)
• M8: 2,683,487 km (0.117 R)
• M9: 3,286,964 km (0.111 R)
• M10: 4,044,378 km (0.118 R)
• M11: 5,187,605 km (0.108 R)
• M12: 7,773,105 km (0.057 R)
• M13: 11,447,528 km (0.095 R)
• M14: 17,011,821 km (0.103 R)
• M15: 18,381,838 km (0.102 R)
• M16: 19,334,926 km (0.118 R)
• M17: 40,482,829 km (0.082 R)
• M18: 53,607,649 km (0.112 R)
• M19: 55,940,329 km (0.065 R)
• M20: 59,770,782 km (0.1 R)
• M21: 60,598,956 km (0.11 R)
• M22: 60,807,196 km (0.087 R)
• M23: 64,637,201 km (0.068 R)
• M24: 65,948,725 km (0.087 R)
• M25: 66,389,889 km (0.1 R)
• M26: 74,192,765 km (0.091 R)
• M27: 83,870,101 km (0.114 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 18,099 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit