🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.1

Radius: 8.9

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.54 AU - 0.66 AU

Year: 310 Days

Day: 9.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,544,685 km

• M1: 111,151 km (0.066 R)
• M2: 504,743 km (0.109 R)
• M3: 923,916 km (0.081 R)
• M4: 1,508,545 km (0.116 R)
• M5: 1,859,502 km (0.107 R)
• M6: 2,477,490 km (0.103 R)
• M7: 2,961,290 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.4

Radius: 11.6

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.13 AU - 1.51 AU

Year: 1011 Days

Day: 7.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,544,685 km

• M1: 144,212 km (0.062 R)
• M2: 606,919 km (0.109 R)
• M3: 982,409 km (0.076 R)
• M4: 1,392,008 km (0.077 R)
• M5: 2,361,103 km (0.07 R)
• M6: 2,860,610 km (0.119 R)
• M7: 4,242,895 km (0.089 R)
• M8: 5,985,560 km (0.081 R)
• M9: 7,211,964 km (0.065 R)
• M10: 9,341,489 km (0.119 R)
• M11: 9,728,350 km (0.084 R)
• M12: 10,188,064 km (0.067 R)
• M13: 10,726,616 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.7

Radius: 10.8

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.01 AU - 4.33 AU

Year: 4688 Days

Day: 10.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,544,685 km

• M1: 135,984 km (0.064 R)
• M2: 593,006 km (0.111 R)
• M3: 1,023,698 km (0.086 R)
• M4: 1,484,609 km (0.036 R)
• M5: 1,884,933 km (0.031 R)
• M6: 2,674,660 km (0.07 R)
• M7: 3,175,215 km (0.104 R)
• M8: 3,916,472 km (0.059 R)
• M9: 4,538,949 km (0.046 R)
• M10: 5,171,150 km (0.089 R)
• M11: 6,197,241 km (0.119 R)
• M12: 11,638,415 km (0.048 R)
• M13: 12,720,905 km (0.091 R)
• M14: 13,762,107 km (0.091 R)
• M15: 14,746,760 km (0.116 R)
• M16: 15,602,759 km (0.086 R)
• M17: 17,983,459 km (0.106 R)
• M18: 18,500,170 km (0.096 R)
• M19: 19,630,981 km (0.049 R)
• M20: 21,521,000 km (0.116 R)
• M21: 22,398,840 km (0.107 R)
• M22: 23,760,031 km (0.074 R)
• M23: 24,225,879 km (0.119 R)
• M24: 26,397,741 km (0.113 R)
• M25: 26,813,623 km (0.045 R)
• M26: 27,658,851 km (0.098 R)
• M27: 28,174,365 km (0.107 R)
• M28: 28,871,641 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.3

Radius: 13.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.38 AU - 4.5 AU

Year: 5215 Days

Day: 10.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,544,685 km

• M1: 169,195 km (0.076 R)
• M2: 852,558 km (0.101 R)
• M3: 1,476,232 km (0.115 R)
• M4: 2,053,081 km (0.087 R)
• M5: 3,648,692 km (0.085 R)
• M6: 4,277,153 km (0.085 R)
• M7: 5,466,755 km (0.084 R)
• M8: 6,230,901 km (0.113 R)
• M9: 7,132,228 km (0.103 R)
• M10: 9,234,677 km (0.116 R)
• M11: 10,803,809 km (0.057 R)
• M12: 11,441,694 km (0.108 R)
• M13: 12,153,032 km (0.038 R)
• M14: 13,146,960 km (0.118 R)
• M15: 14,794,033 km (0.104 R)
• M16: 18,238,673 km (0.088 R)
• M17: 22,919,740 km (0.103 R)
• M18: 23,897,811 km (0.094 R)
• M19: 26,261,158 km (0.058 R)
• M20: 28,346,553 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200

Radius: 14.9

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.12 AU - 4.94 AU

Year: 5395 Days

Day: 6.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,544,685 km

• M1: 186,848 km (0.115 R)
• M2: 1,583,194 km (0.072 R)
• M3: 2,718,792 km (0.108 R)
• M4: 4,114,989 km (0.076 R)
• M5: 4,719,813 km (0.092 R)
• M6: 7,567,109 km (0.099 R)
• M7: 12,389,845 km (0.093 R)
• M8: 14,713,250 km (0.104 R)
• M9: 19,131,772 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64

Radius: 12.2

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.66 AU - 5.38 AU

Year: 6408 Days

Day: 14.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,544,685 km

• M1: 161,566 km (0.092 R)
• M2: 905,217 km (0.08 R)
• M3: 1,911,861 km (0.081 R)
• M4: 2,549,447 km (0.091 R)
• M5: 3,196,308 km (0.054 R)
• M6: 4,271,767 km (0.089 R)
• M7: 5,077,053 km (0.084 R)
• M8: 6,510,649 km (0.099 R)
• M9: 9,342,088 km (0.104 R)
• M10: 12,785,831 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.9

Radius: 14.2

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.05 AU - 5.45 AU

Year: 8022 Days

Day: 6.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,544,685 km

• M1: 176,675 km (0.054 R)
• M2: 846,126 km (0.075 R)
• M3: 1,377,946 km (0.116 R)
• M4: 1,870,273 km (0.049 R)
• M5: 2,927,182 km (0.083 R)
• M6: 3,426,838 km (0.098 R)
• M7: 3,958,210 km (0.114 R)
• M8: 4,600,583 km (0.114 R)
• M9: 5,405,869 km (0.097 R)
• M10: 6,027,448 km (0.109 R)
• M11: 6,843,654 km (0.059 R)
• M12: 13,198,123 km (0.057 R)
• M13: 13,726,053 km (0.079 R)
• M14: 14,575,171 km (0.059 R)
• M15: 16,045,868 km (0.03 R)
• M16: 18,836,317 km (0.03 R)
• M17: 20,424,148 km (0.102 R)
• M18: 21,370,654 km (0.036 R)
• M19: 22,346,182 km (0.117 R)
• M20: 23,351,180 km (0.066 R)
• M21: 25,904,367 km (0.098 R)
• M22: 29,425,452 km (0.093 R)
• M23: 33,578,140 km (0.075 R)
• M24: 36,021,222 km (0.118 R)
• M25: 38,699,772 km (0.074 R)
• M26: 40,271,148 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985

Radius: 6.8

Gravity: 21.3 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.88 AU - 7.18 AU

Year: 12430 Days

Day: 19.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 62,544,685 km

• M1: 84,523 km (0.075 R)
• M2: 345,272 km (0.048 R)
• M3: 654,790 km (0.11 R)
• M4: 1,169,706 km (0.08 R)
• M5: 3,963,296 km (0.101 R)
• M6: 4,357,936 km (0.028 R)
• M7: 5,016,017 km (0.064 R)
• M8: 8,715,871 km (0.076 R)
• M9: 9,019,854 km (0.11 R)
• M10: 9,383,377 km (0.093 R)
• M11: 9,649,063 km (0.097 R)
• M12: 10,029,490 km (0.058 R)
• M13: 10,647,329 km (0.107 R)
• M14: 11,712,765 km (0.092 R)
• M15: 12,020,937 km (0.108 R)
• M16: 12,977,914 km (0.09 R)
• M17: 16,001,886 km (0.095 R)
• M18: 18,452,748 km (0.074 R)
• M19: 18,702,576 km (0.077 R)
• M20: 18,954,499 km (0.032 R)
• M21: 19,465,226 km (0.106 R)
• M22: 21,416,730 km (0.12 R)
• M23: 21,785,040 km (0.041 R)
• M24: 22,819,659 km (0.104 R)
• M25: 24,183,393 km (0.088 R)
• M26: 25,394,837 km (0.09 R)
• M27: 26,119,938 km (0.098 R)
• M28: 27,287,100 km (0.098 R)
• M29: 27,720,037 km (0.12 R)
• M30: 28,047,806 km (0.108 R)
• M31: 29,271,516 km (0.119 R)
• M32: 30,530,382 km (0.12 R)
• M33: 32,546,214 km (0.08 R)
• M34: 36,447,726 km (0.098 R)
• M35: 36,972,815 km (0.093 R)
• M36: 38,850,417 km (0.119 R)
• M37: 39,123,733 km (0.058 R)
• M38: 39,951,458 km (0.104 R)
• M39: 57,798,334 km (0.104 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 11,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit