🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.44 AU - 0.58 AU

Year: 232 Days

Day: 24 Hours

Environment

Temp: -114 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.9

Radius: 13.1

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.73 AU - 0.73 AU

Year: 397 Days

Day: 14.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,748,951 km

• M1: 163,062 km (0.047 R)
• M2: 609,911 km (0.106 R)
• M3: 1,053,319 km (0.059 R)
• M4: 1,554,322 km (0.08 R)
• M5: 2,146,131 km (0.042 R)
• M6: 3,281,280 km (0.103 R)
• M7: 3,789,314 km (0.102 R)
• M8: 4,665,210 km (0.11 R)
• M9: 5,182,968 km (0.107 R)
• M10: 5,722,119 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.5

Radius: 9.5

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.65 AU - 0.97 AU

Year: 464 Days

Day: 9.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,748,951 km

• M1: 118,182 km (0.115 R)
• M2: 472,879 km (0.083 R)
• M3: 773,720 km (0.086 R)
• M4: 1,117,945 km (0.091 R)
• M5: 1,414,897 km (0.094 R)
• M6: 1,812,528 km (0.118 R)
• M7: 2,274,636 km (0.109 R)
• M8: 3,057,332 km (0.049 R)
• M9: 3,574,192 km (0.047 R)
• M10: 4,319,190 km (0.05 R)
• M11: 4,736,568 km (0.104 R)
• M12: 5,180,574 km (0.103 R)
• M13: 5,652,256 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.7

Radius: 14.6

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.05 AU - 1.05 AU

Year: 684 Days

Day: 10.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,748,951 km

• M1: 181,612 km (0.12 R)
• M2: 667,506 km (0.047 R)
• M3: 1,315,863 km (0.057 R)
• M4: 1,900,940 km (0.104 R)
• M5: 2,890,979 km (0.037 R)
• M6: 3,444,491 km (0.115 R)
• M7: 4,082,077 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.7

Radius: 12.7

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.96 AU - 1.52 AU

Year: 878 Days

Day: 7.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 85.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,748,951 km

• M1: 158,275 km (0.111 R)
• M2: 677,828 km (0.069 R)
• M3: 1,425,518 km (0.034 R)
• M4: 2,048,743 km (0.043 R)
• M5: 2,456,846 km (0.097 R)
• M6: 2,908,033 km (0.116 R)
• M7: 3,563,870 km (0.038 R)
• M8: 4,222,849 km (0.104 R)
• M9: 4,672,989 km (0.072 R)
• M10: 5,119,538 km (0.094 R)
• M11: 5,632,509 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.2

Radius: 9

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.69 AU - 2.97 AU

Year: 3027 Days

Day: 5.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,748,951 km

• M1: 112,797 km (0.097 R)
• M2: 394,190 km (0.113 R)
• M3: 707,598 km (0.1 R)
• M4: 1,068,428 km (0.097 R)
• M5: 1,489,247 km (0.095 R)
• M6: 1,869,076 km (0.047 R)
• M7: 2,299,020 km (0.04 R)
• M8: 5,213,785 km (0.084 R)
• M9: 6,290,590 km (0.054 R)
• M10: 7,106,946 km (0.085 R)
• M11: 7,992,266 km (0.062 R)
• M12: 9,715,634 km (0.075 R)
• M13: 10,018,869 km (0.044 R)
• M14: 10,406,925 km (0.087 R)
• M15: 13,976,779 km (0.116 R)
• M16: 14,363,789 km (0.096 R)
• M17: 14,757,830 km (0.106 R)
• M18: 15,362,355 km (0.059 R)
• M19: 15,774,497 km (0.073 R)
• M20: 16,837,240 km (0.095 R)
• M21: 17,165,159 km (0.032 R)
• M22: 18,003,655 km (0.115 R)
• M23: 18,752,243 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.1

Radius: 8.4

Gravity: 13.62 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.27 AU - 3.43 AU

Year: 3899 Days

Day: 5.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,748,951 km

• M1: 104,419 km (0.101 R)
• M2: 380,128 km (0.096 R)
• M3: 758,012 km (0.107 R)
• M4: 1,491,940 km (0.115 R)
• M5: 1,809,985 km (0.045 R)
• M6: 2,085,394 km (0.058 R)
• M7: 2,469,262 km (0.07 R)
• M8: 3,220,693 km (0.052 R)
• M9: 3,692,524 km (0.098 R)
• M10: 4,473,724 km (0.112 R)
• M11: 5,277,962 km (0.058 R)
• M12: 6,236,735 km (0.092 R)
• M13: 9,235,275 km (0.105 R)
• M14: 10,230,550 km (0.082 R)
• M15: 10,709,861 km (0.092 R)
• M16: 11,526,516 km (0.112 R)
• M17: 12,878,432 km (0.097 R)
• M18: 13,592,612 km (0.102 R)
• M19: 14,118,748 km (0.034 R)
• M20: 17,319,544 km (0.119 R)
• M21: 18,635,257 km (0.101 R)
• M22: 21,962,015 km (0.065 R)
• M23: 25,033,857 km (0.075 R)
• M24: 25,904,367 km (0.086 R)
• M25: 27,455,248 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.3

Radius: 8.7

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.04 AU - 4 AU

Year: 4199 Days

Day: 6.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,748,951 km

• M1: 108,159 km (0.12 R)
• M2: 409,898 km (0.062 R)
• M3: 1,086,081 km (0.101 R)
• M4: 1,374,954 km (0.079 R)
• M5: 2,228,559 km (0.088 R)
• M6: 2,537,629 km (0.077 R)
• M7: 3,262,131 km (0.112 R)
• M8: 4,255,162 km (0.115 R)
• M9: 4,859,388 km (0.04 R)
• M10: 5,169,205 km (0.103 R)
• M11: 6,001,867 km (0.113 R)
• M12: 6,389,325 km (0.098 R)
• M13: 7,721,943 km (0.054 R)
• M14: 8,846,021 km (0.052 R)
• M15: 9,910,709 km (0.086 R)
• M16: 10,326,143 km (0.109 R)
• M17: 13,974,835 km (0.097 R)
• M18: 16,257,549 km (0.075 R)
• M19: 16,544,926 km (0.052 R)
• M20: 18,340,849 km (0.078 R)
• M21: 22,034,420 km (0.052 R)
• M22: 22,957,738 km (0.096 R)
• M23: 25,960,616 km (0.075 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.9

Radius: 12.4

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.88 AU - 4.3 AU

Year: 4325 Days

Day: 6.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,748,951 km

• M1: 155,432 km (0.109 R)
• M2: 592,856 km (0.099 R)
• M3: 1,090,120 km (0.12 R)
• M4: 1,562,251 km (0.052 R)
• M5: 1,995,336 km (0.119 R)
• M6: 2,462,979 km (0.091 R)
• M7: 3,092,637 km (0.104 R)
• M8: 3,744,883 km (0.084 R)
• M9: 4,869,261 km (0.101 R)
• M10: 5,510,288 km (0.111 R)
• M11: 7,708,629 km (0.1 R)
• M12: 8,762,994 km (0.066 R)
• M13: 9,440,374 km (0.112 R)
• M14: 10,604,843 km (0.093 R)
• M15: 13,315,108 km (0.116 R)
• M16: 13,958,229 km (0.09 R)
• M17: 16,683,304 km (0.103 R)
• M18: 17,842,837 km (0.032 R)
• M19: 18,321,401 km (0.049 R)
• M20: 19,304,259 km (0.043 R)
• M21: 19,745,273 km (0.057 R)
• M22: 20,322,123 km (0.114 R)
• M23: 22,882,341 km (0.102 R)
• M24: 24,094,532 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.2

Radius: 7.3

Gravity: 12.88 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.4 AU - 11.12 AU

Year: 17916 Days

Day: 23 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,748,951 km

• M1: 90,956 km (0.103 R)
• M2: 425,756 km (0.114 R)
• M3: 655,987 km (0.078 R)
• M4: 917,334 km (0.102 R)
• M5: 1,347,129 km (0.115 R)
• M6: 2,075,820 km (0.052 R)
• M7: 2,427,824 km (0.111 R)
• M8: 4,282,089 km (0.083 R)
• M9: 4,511,872 km (0.039 R)
• M10: 6,068,737 km (0.094 R)
• M11: 10,432,507 km (0.092 R)
• M12: 10,789,746 km (0.109 R)
• M13: 11,528,760 km (0.089 R)
• M14: 14,092,119 km (0.104 R)
• M15: 14,602,547 km (0.03 R)
• M16: 17,258,658 km (0.042 R)
• M17: 18,440,331 km (0.09 R)
• M18: 19,765,170 km (0.107 R)
• M19: 20,128,992 km (0.091 R)
• M20: 23,101,352 km (0.081 R)
• M21: 28,723,240 km (0.103 R)
• M22: 30,742,213 km (0.114 R)
• M23: 31,724,173 km (0.113 R)
• M24: 31,972,955 km (0.046 R)
• M25: 34,140,328 km (0.039 R)
• M26: 34,664,071 km (0.115 R)
• M27: 38,764,997 km (0.086 R)
• M28: 40,200,837 km (0.077 R)
• M29: 40,785,017 km (0.119 R)
• M30: 43,178,134 km (0.025 R)
• M31: 47,751,491 km (0.06 R)
• M32: 59,719,769 km (0.118 R)
• M33: 62,800,139 km (0.039 R)
• M34: 65,379,655 km (0.086 R)
• M35: 67,206,245 km (0.087 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: 182 - 12,908 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit