🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.9

Radius: 12.5

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.47 AU - 0.65 AU

Year: 295 Days

Day: 6.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 53,448,445 km

• M1: 155,582 km (0.106 R)
• M2: 552,764 km (0.076 R)
• M3: 1,133,653 km (0.106 R)
• M4: 1,597,855 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.3

Radius: 13.1

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1 AU - 1.26 AU

Year: 844 Days

Day: 6 Hours

Environment

Temp: -190 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,448,445 km

• M1: 162,912 km (0.065 R)
• M2: 638,035 km (0.076 R)
• M3: 1,160,879 km (0.116 R)
• M4: 1,820,756 km (0.037 R)
• M5: 2,578,020 km (0.066 R)
• M6: 3,110,439 km (0.096 R)
• M7: 4,002,341 km (0.086 R)
• M8: 4,494,967 km (0.118 R)
• M9: 4,938,824 km (0.117 R)
• M10: 5,364,879 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.7

Radius: 10

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.7 AU - 1.82 AU

Year: 1641 Days

Day: 10.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,448,445 km

• M1: 124,465 km (0.09 R)
• M2: 438,621 km (0.114 R)
• M3: 876,195 km (0.057 R)
• M4: 1,826,740 km (0.057 R)
• M5: 2,432,162 km (0.09 R)
• M6: 3,674,124 km (0.096 R)
• M7: 4,186,496 km (0.114 R)
• M8: 5,647,768 km (0.117 R)
• M9: 7,763,980 km (0.034 R)
• M10: 8,451,233 km (0.095 R)
• M11: 8,904,215 km (0.028 R)
• M12: 9,628,568 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.7

Radius: 8.3

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.55 AU - 2.21 AU

Year: 1812 Days

Day: 14.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,448,445 km

• M1: 103,971 km (0.074 R)
• M2: 579,542 km (0.065 R)
• M3: 993,928 km (0.056 R)
• M4: 1,269,787 km (0.109 R)
• M5: 1,752,689 km (0.06 R)
• M6: 2,447,720 km (0.11 R)
• M7: 2,900,404 km (0.068 R)
• M8: 3,275,595 km (0.118 R)
• M9: 3,811,754 km (0.096 R)
• M10: 4,108,706 km (0.107 R)
• M11: 4,783,093 km (0.089 R)
• M12: 5,679,633 km (0.084 R)
• M13: 6,453,503 km (0.107 R)
• M14: 6,812,089 km (0.081 R)
• M15: 7,454,462 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.2

Radius: 13

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.43 AU - 3.55 AU

Year: 3634 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,448,445 km

• M1: 161,865 km (0.067 R)
• M2: 641,027 km (0.065 R)
• M3: 1,288,038 km (0.084 R)
• M4: 1,900,192 km (0.042 R)
• M5: 2,831,439 km (0.118 R)
• M6: 4,013,262 km (0.11 R)
• M7: 5,669,610 km (0.027 R)
• M8: 6,639,602 km (0.026 R)
• M9: 7,560,078 km (0.096 R)
• M10: 8,763,593 km (0.117 R)
• M11: 10,154,404 km (0.067 R)
• M12: 10,869,482 km (0.09 R)
• M13: 11,583,064 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.6

Radius: 8.1

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.53 AU - 3.63 AU

Year: 4761 Days

Day: 10.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,448,445 km

• M1: 101,128 km (0.086 R)
• M2: 517,309 km (0.109 R)
• M3: 813,064 km (0.114 R)
• M4: 1,329,775 km (0.12 R)
• M5: 2,125,935 km (0.04 R)
• M6: 2,490,505 km (0.106 R)
• M7: 3,207,827 km (0.118 R)
• M8: 4,362,872 km (0.087 R)
• M9: 5,499,218 km (0.073 R)
• M10: 6,652,617 km (0.119 R)
• M11: 7,435,762 km (0.094 R)
• M12: 8,740,405 km (0.058 R)
• M13: 9,715,035 km (0.098 R)
• M14: 10,117,005 km (0.098 R)
• M15: 10,568,342 km (0.098 R)
• M16: 12,211,973 km (0.084 R)
• M17: 17,398,232 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201

Radius: 9.5

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.71 AU - 5.89 AU

Year: 8577 Days

Day: 7.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,448,445 km

• M1: 118,482 km (0.095 R)
• M2: 494,571 km (0.11 R)
• M3: 1,101,190 km (0.073 R)
• M4: 2,164,831 km (0.103 R)
• M5: 3,507,621 km (0.089 R)
• M6: 3,894,332 km (0.104 R)
• M7: 4,261,744 km (0.069 R)
• M8: 7,415,417 km (0.113 R)
• M9: 8,313,154 km (0.094 R)
• M10: 10,497,283 km (0.119 R)
• M11: 11,211,912 km (0.044 R)
• M12: 12,737,810 km (0.112 R)
• M13: 15,392,275 km (0.091 R)
• M14: 16,491,220 km (0.085 R)
• M15: 19,235,593 km (0.116 R)
• M16: 27,650,773 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.9

Radius: 6

Gravity: 25.69 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.25 AU - 5.81 AU

Year: 9141 Days

Day: 20.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,448,445 km

• M1: 75,248 km (0.102 R)
• M2: 390,151 km (0.032 R)
• M3: 721,211 km (0.119 R)
• M4: 1,264,850 km (0.109 R)
• M5: 1,460,674 km (0.109 R)
• M6: 2,247,708 km (0.084 R)
• M7: 2,578,020 km (0.12 R)
• M8: 3,030,254 km (0.08 R)
• M9: 3,458,553 km (0.099 R)
• M10: 3,926,495 km (0.095 R)
• M11: 4,892,898 km (0.114 R)
• M12: 6,117,805 km (0.095 R)
• M13: 7,284,519 km (0.088 R)
• M14: 10,100,998 km (0.106 R)
• M15: 10,359,802 km (0.077 R)
• M16: 10,569,987 km (0.032 R)
• M17: 11,108,091 km (0.067 R)
• M18: 15,127,337 km (0.093 R)
• M19: 16,801,038 km (0.106 R)
• M20: 18,363,587 km (0.027 R)
• M21: 20,843,322 km (0.086 R)
• M22: 21,860,438 km (0.114 R)
• M23: 22,119,840 km (0.106 R)
• M24: 23,810,296 km (0.101 R)
• M25: 24,547,215 km (0.115 R)
• M26: 25,489,532 km (0.104 R)
• M27: 29,081,976 km (0.108 R)
• M28: 30,243,603 km (0.105 R)
• M29: 30,998,624 km (0.116 R)
• M30: 36,518,336 km (0.101 R)
• M31: 37,128,546 km (0.049 R)
• M32: 40,151,919 km (0.12 R)
• M33: 41,856,138 km (0.099 R)
• M34: 42,793,518 km (0.056 R)
• M35: 45,128,142 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.6

Radius: 6.1

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.19 AU - 7.49 AU

Year: 11221 Days

Day: 17.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,448,445 km

• M1: 76,445 km (0.107 R)
• M2: 268,079 km (0.115 R)
• M3: 830,268 km (0.099 R)
• M4: 1,251,536 km (0.054 R)
• M5: 2,091,528 km (0.069 R)
• M6: 2,406,731 km (0.082 R)
• M7: 4,453,977 km (0.06 R)
• M8: 8,020,989 km (0.079 R)
• M9: 8,626,860 km (0.095 R)
• M10: 10,066,142 km (0.072 R)
• M11: 11,208,620 km (0.059 R)
• M12: 16,328,458 km (0.082 R)
• M13: 16,776,952 km (0.064 R)
• M14: 17,967,751 km (0.069 R)
• M15: 20,963,898 km (0.101 R)
• M16: 24,029,607 km (0.045 R)
• M17: 26,144,472 km (0.072 R)
• M18: 26,406,268 km (0.109 R)
• M19: 26,935,246 km (0.104 R)
• M20: 30,162,521 km (0.032 R)
• M21: 30,354,306 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.9

Radius: 5.6

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.11 AU - 10.27 AU

Year: 18007 Days

Day: 16.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 53,448,445 km

• M1: 106,065 km (0.083 R)
• M2: 309,368 km (0.04 R)
• M3: 496,665 km (0.117 R)
• M4: 944,411 km (0.111 R)
• M5: 1,167,761 km (0.106 R)
• M6: 2,708,170 km (0.06 R)
• M7: 3,021,877 km (0.033 R)
• M8: 4,403,114 km (0.081 R)
• M9: 5,576,261 km (0.117 R)
• M10: 6,009,945 km (0.118 R)
• M11: 6,273,088 km (0.114 R)
• M12: 7,926,892 km (0.106 R)
• M13: 8,381,819 km (0.05 R)
• M14: 8,902,120 km (0.103 R)
• M15: 12,365,311 km (0.067 R)
• M16: 13,101,632 km (0.037 R)
• M17: 13,866,675 km (0.115 R)
• M18: 14,796,576 km (0.108 R)
• M19: 17,301,891 km (0.117 R)
• M20: 17,528,981 km (0.097 R)
• M21: 17,988,994 km (0.069 R)
• M22: 21,178,122 km (0.102 R)
• M23: 21,700,069 km (0.105 R)
• M24: 22,769,394 km (0.062 R)
• M25: 23,133,665 km (0.101 R)
• M26: 25,109,554 km (0.071 R)
• M27: 34,378,039 km (0.116 R)
• M28: 38,853,260 km (0.036 R)
• M29: 42,179,568 km (0.096 R)
• M30: 43,561,703 km (0.11 R)
• M31: 43,982,073 km (0.032 R)
• M32: 44,546,805 km (0.105 R)
• M33: 44,973,608 km (0.084 R)
• M34: 47,739,972 km (0.078 R)
• M35: 51,237,720 km (0.086 R)
• M36: 52,335,319 km (0.1 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 16,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit