🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421

Radius: 14

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.47 AU - 0.75 AU

Year: 335 Days

Day: 10.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,195,624 km

• M1: 174,132 km (0.116 R)
• M2: 681,568 km (0.104 R)
• M3: 1,218,624 km (0.108 R)
• M4: 1,658,143 km (0.06 R)
• M5: 2,138,053 km (0.118 R)
• M6: 2,792,693 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.8

Radius: 13.4

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.52 AU - 0.74 AU

Year: 351 Days

Day: 11.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 34,195,624 km

• M1: 166,951 km (0.119 R)
• M2: 612,454 km (0.075 R)
• M3: 1,057,956 km (0.113 R)
• M4: 1,553,574 km (0.115 R)
• M5: 2,031,389 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.8

Radius: 12.8

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.79 AU - 1.03 AU

Year: 610 Days

Day: 12.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 85.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,195,624 km

• M1: 159,471 km (0.111 R)
• M2: 609,013 km (0.048 R)
• M3: 1,044,941 km (0.089 R)
• M4: 1,516,922 km (0.091 R)
• M5: 1,925,325 km (0.075 R)
• M6: 2,472,105 km (0.092 R)
• M7: 2,972,510 km (0.07 R)
• M8: 3,794,700 km (0.086 R)
• M9: 4,662,367 km (0.115 R)
• M10: 5,135,994 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140

Radius: 10.8

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.91 AU - 1.11 AU

Year: 713 Days

Day: 8.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,195,624 km

• M1: 134,339 km (0.066 R)
• M2: 606,171 km (0.118 R)
• M3: 1,309,580 km (0.079 R)
• M4: 3,201,544 km (0.118 R)
• M5: 3,646,448 km (0.118 R)
• M6: 4,312,757 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.2

Radius: 12.9

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.87 AU - 2.03 AU

Year: 1914 Days

Day: 7.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,195,624 km

• M1: 160,369 km (0.101 R)
• M2: 617,091 km (0.056 R)
• M3: 1,079,648 km (0.114 R)
• M4: 1,655,450 km (0.053 R)
• M5: 2,211,206 km (0.112 R)
• M6: 3,124,202 km (0.053 R)
• M7: 6,830,489 km (0.03 R)
• M8: 10,902,992 km (0.095 R)
• M9: 12,531,664 km (0.105 R)
• M10: 14,823,803 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.9

Radius: 10.5

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.92 AU - 2.24 AU

Year: 2109 Days

Day: 14.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,195,624 km

• M1: 134,189 km (0.101 R)
• M2: 594,053 km (0.059 R)
• M3: 939,624 km (0.092 R)
• M4: 1,567,786 km (0.102 R)
• M5: 2,183,082 km (0.058 R)
• M6: 5,093,060 km (0.098 R)
• M7: 6,258,277 km (0.098 R)
• M8: 7,563,369 km (0.086 R)
• M9: 8,139,620 km (0.066 R)
• M10: 12,771,170 km (0.037 R)
• M11: 15,375,968 km (0.092 R)
• M12: 16,752,119 km (0.028 R)
• M13: 17,418,278 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.3

Radius: 10.1

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.19 AU - 3.49 AU

Year: 3364 Days

Day: 5.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,195,624 km

• M1: 127,158 km (0.098 R)
• M2: 501,602 km (0.116 R)
• M3: 903,721 km (0.11 R)
• M4: 1,301,352 km (0.085 R)
• M5: 1,804,001 km (0.078 R)
• M6: 2,199,388 km (0.087 R)
• M7: 2,744,223 km (0.048 R)
• M8: 3,133,178 km (0.095 R)
• M9: 4,526,981 km (0.108 R)
• M10: 6,052,879 km (0.095 R)
• M11: 7,124,748 km (0.034 R)
• M12: 12,134,631 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.4

Radius: 11.6

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.72 AU - 3.18 AU

Year: 3562 Days

Day: 8.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,195,624 km

• M1: 144,362 km (0.047 R)
• M2: 547,528 km (0.098 R)
• M3: 1,132,456 km (0.065 R)
• M4: 1,505,104 km (0.077 R)
• M5: 2,101,102 km (0.089 R)
• M6: 2,522,818 km (0.079 R)
• M7: 2,894,719 km (0.059 R)
• M8: 4,832,610 km (0.117 R)
• M9: 5,598,700 km (0.025 R)
• M10: 9,259,360 km (0.073 R)
• M11: 10,881,001 km (0.042 R)
• M12: 13,143,819 km (0.034 R)
• M13: 14,273,582 km (0.109 R)
• M14: 15,000,328 km (0.062 R)
• M15: 15,847,202 km (0.057 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.3

Radius: 12.7

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.88 AU - 3.56 AU

Year: 4062 Days

Day: 7.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,195,624 km

• M1: 157,975 km (0.114 R)
• M2: 761,004 km (0.066 R)
• M3: 1,162,824 km (0.059 R)
• M4: 1,565,392 km (0.039 R)
• M5: 2,285,407 km (0.111 R)
• M6: 2,813,786 km (0.066 R)
• M7: 3,309,554 km (0.109 R)
• M8: 4,364,069 km (0.096 R)
• M9: 4,810,020 km (0.12 R)
• M10: 5,390,909 km (0.115 R)
• M11: 7,988,975 km (0.116 R)
• M12: 9,140,280 km (0.095 R)
• M13: 10,647,628 km (0.092 R)
• M14: 13,210,988 km (0.029 R)
• M15: 14,251,441 km (0.071 R)
• M16: 16,327,710 km (0.114 R)
• M17: 17,351,109 km (0.076 R)
• M18: 18,659,342 km (0.03 R)
• M19: 19,337,769 km (0.08 R)
• M20: 21,605,972 km (0.107 R)
• M21: 22,491,890 km (0.057 R)
• M22: 24,336,432 km (0.079 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.9

Radius: 15

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.09 AU - 5.95 AU

Year: 7906 Days

Day: 13.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,195,624 km

• M1: 274,063 km (0.028 R)
• M2: 777,460 km (0.119 R)
• M3: 1,397,693 km (0.04 R)
• M4: 1,965,716 km (0.115 R)
• M5: 3,203,638 km (0.062 R)
• M6: 4,361,676 km (0.105 R)
• M7: 5,394,350 km (0.092 R)
• M8: 12,052,801 km (0.088 R)
• M9: 15,531,999 km (0.112 R)
• M10: 19,283,166 km (0.118 R)
• M11: 20,343,814 km (0.083 R)
• M12: 23,126,484 km (0.042 R)
• M13: 25,227,886 km (0.103 R)
• M14: 28,978,304 km (0.083 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 10,240 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit