🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.8

Radius: 9.2

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.68 AU - 1.06 AU

Year: 532 Days

Day: 10.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,459,626 km

• M1: 114,442 km (0.12 R)
• M2: 435,928 km (0.114 R)
• M3: 868,416 km (0.087 R)
• M4: 1,357,152 km (0.042 R)
• M5: 1,822,850 km (0.09 R)
• M6: 2,578,618 km (0.105 R)
• M7: 2,876,617 km (0.079 R)
• M8: 3,197,804 km (0.039 R)
• M9: 3,542,926 km (0.07 R)
• M10: 4,056,346 km (0.089 R)
• M11: 4,400,122 km (0.045 R)
• M12: 4,811,965 km (0.102 R)
• M13: 5,112,058 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.5

Radius: 10.4

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.87 AU - 1.41 AU

Year: 798 Days

Day: 13.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,459,626 km

• M1: 130,449 km (0.112 R)
• M2: 461,360 km (0.08 R)
• M3: 817,852 km (0.088 R)
• M4: 1,212,491 km (0.114 R)
• M5: 1,807,741 km (0.059 R)
• M6: 2,322,657 km (0.116 R)
• M7: 3,027,263 km (0.118 R)
• M8: 3,896,725 km (0.062 R)
• M9: 4,648,155 km (0.043 R)
• M10: 5,024,992 km (0.082 R)
• M11: 5,351,565 km (0.042 R)
• M12: 6,143,835 km (0.06 R)
• M13: 6,865,645 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.2

Radius: 14.3

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.13 AU - 1.23 AU

Year: 841 Days

Day: 12.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,459,626 km

• M1: 177,872 km (0.119 R)
• M2: 692,638 km (0.118 R)
• M3: 1,699,133 km (0.052 R)
• M4: 2,645,638 km (0.11 R)
• M5: 3,354,134 km (0.113 R)
• M6: 3,959,706 km (0.104 R)
• M7: 5,153,198 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416

Radius: 10.8

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.57 AU - 1.73 AU

Year: 1390 Days

Day: 9.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,459,626 km

• M1: 134,339 km (0.064 R)
• M2: 546,182 km (0.066 R)
• M3: 1,095,356 km (0.113 R)
• M4: 1,603,988 km (0.099 R)
• M5: 2,711,162 km (0.095 R)
• M6: 3,384,951 km (0.1 R)
• M7: 4,673,587 km (0.089 R)
• M8: 5,260,011 km (0.118 R)
• M9: 5,894,904 km (0.094 R)
• M10: 7,745,280 km (0.064 R)
• M11: 8,162,658 km (0.103 R)
• M12: 9,924,173 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.4

Radius: 8.3

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.68 AU - 1.76 AU

Year: 1480 Days

Day: 10.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,459,626 km

• M1: 103,223 km (0.104 R)
• M2: 455,675 km (0.062 R)
• M3: 733,030 km (0.117 R)
• M4: 1,077,254 km (0.08 R)
• M5: 1,738,028 km (0.084 R)
• M6: 2,205,222 km (0.096 R)
• M7: 2,851,335 km (0.062 R)
• M8: 3,219,047 km (0.052 R)
• M9: 3,651,235 km (0.109 R)
• M10: 4,158,222 km (0.086 R)
• M11: 4,457,568 km (0.114 R)
• M12: 5,421,277 km (0.037 R)
• M13: 5,917,493 km (0.084 R)
• M14: 8,473,971 km (0.083 R)
• M15: 9,489,741 km (0.119 R)
• M16: 9,944,369 km (0.08 R)
• M17: 10,277,972 km (0.1 R)
• M18: 10,688,020 km (0.083 R)
• M19: 11,724,284 km (0.084 R)
• M20: 13,102,230 km (0.079 R)
• M21: 13,748,044 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.4

Radius: 13.2

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.02 AU - 2.68 AU

Year: 2363 Days

Day: 13.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,459,626 km

• M1: 164,707 km (0.117 R)
• M2: 664,065 km (0.061 R)
• M3: 1,183,618 km (0.109 R)
• M4: 1,781,411 km (0.115 R)
• M5: 3,250,163 km (0.075 R)
• M6: 4,236,761 km (0.1 R)
• M7: 5,095,603 km (0.063 R)
• M8: 5,768,195 km (0.115 R)
• M9: 11,153,868 km (0.08 R)
• M10: 13,062,736 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.9

Radius: 13.2

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.77 AU - 4.05 AU

Year: 4131 Days

Day: 14.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,459,626 km

• M1: 164,109 km (0.049 R)
• M2: 746,045 km (0.115 R)
• M3: 1,734,139 km (0.109 R)
• M4: 3,319,577 km (0.059 R)
• M5: 4,058,740 km (0.12 R)
• M6: 7,508,766 km (0.062 R)
• M7: 8,437,021 km (0.118 R)
• M8: 8,880,728 km (0.111 R)
• M9: 9,406,864 km (0.077 R)
• M10: 10,199,732 km (0.072 R)
• M11: 10,999,183 km (0.064 R)
• M12: 13,013,668 km (0.046 R)
• M13: 14,441,730 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.1

Radius: 9.2

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.22 AU - 6.08 AU

Year: 7667 Days

Day: 6.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,459,626 km

• M1: 117,584 km (0.108 R)
• M2: 428,299 km (0.116 R)
• M3: 732,581 km (0.102 R)
• M4: 1,089,671 km (0.109 R)
• M5: 1,418,337 km (0.116 R)
• M6: 2,381,000 km (0.046 R)
• M7: 2,885,743 km (0.087 R)
• M8: 3,288,760 km (0.04 R)
• M9: 3,729,026 km (0.045 R)
• M10: 4,283,585 km (0.11 R)
• M11: 6,649,326 km (0.098 R)
• M12: 7,067,003 km (0.057 R)
• M13: 7,502,184 km (0.077 R)
• M14: 10,314,773 km (0.11 R)
• M15: 10,780,471 km (0.086 R)
• M16: 11,211,463 km (0.106 R)
• M17: 12,006,276 km (0.05 R)
• M18: 13,596,950 km (0.069 R)
• M19: 14,908,176 km (0.103 R)
• M20: 15,868,744 km (0.119 R)
• M21: 16,870,002 km (0.12 R)
• M22: 17,516,863 km (0.101 R)
• M23: 20,270,811 km (0.063 R)
• M24: 20,780,790 km (0.117 R)
• M25: 22,284,996 km (0.096 R)
• M26: 26,881,391 km (0.045 R)
• M27: 29,031,412 km (0.095 R)
• M28: 30,148,160 km (0.12 R)
• M29: 30,908,566 km (0.03 R)
• M30: 32,072,886 km (0.072 R)
• M31: 33,772,168 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.5

Radius: 12.7

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.64 AU - 6.9 AU

Year: 9092 Days

Day: 13.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,459,626 km

• M1: 157,975 km (0.09 R)
• M2: 1,101,489 km (0.103 R)
• M3: 1,596,658 km (0.087 R)
• M4: 2,192,506 km (0.095 R)
• M5: 3,605,608 km (0.103 R)
• M6: 4,051,709 km (0.106 R)
• M7: 6,830,190 km (0.089 R)
• M8: 9,994,035 km (0.091 R)
• M9: 10,832,681 km (0.099 R)
• M10: 11,467,275 km (0.09 R)
• M11: 12,972,080 km (0.078 R)
• M12: 13,687,906 km (0.057 R)
• M13: 16,119,171 km (0.102 R)
• M14: 17,470,039 km (0.092 R)
• M15: 19,175,006 km (0.082 R)
• M16: 24,453,717 km (0.096 R)
• M17: 27,290,691 km (0.112 R)
• M18: 29,393,289 km (0.03 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.9

Radius: 3.2

Gravity: 86.42 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.24 AU - 9.24 AU

Year: 18425 Days

Day: 18 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 78,459,626 km

• M1: 39,793 km (0.071 R)
• M2: 152,889 km (0.118 R)
• M3: 354,996 km (0.102 R)
• M4: 621,280 km (0.104 R)
• M5: 921,224 km (0.049 R)
• M6: 1,952,402 km (0.095 R)
• M7: 2,421,541 km (0.099 R)
• M8: 2,961,739 km (0.102 R)
• M9: 3,373,282 km (0.069 R)
• M10: 5,134,349 km (0.067 R)
• M11: 7,281,527 km (0.104 R)
• M12: 7,573,691 km (0.119 R)
• M13: 7,823,221 km (0.103 R)
• M14: 9,041,695 km (0.085 R)
• M15: 9,608,821 km (0.108 R)
• M16: 9,960,376 km (0.085 R)
• M17: 11,714,710 km (0.065 R)
• M18: 13,015,912 km (0.115 R)
• M19: 13,446,006 km (0.064 R)
• M20: 15,182,688 km (0.107 R)
• M21: 15,340,514 km (0.065 R)
• M22: 15,579,122 km (0.117 R)
• M23: 17,148,404 km (0.037 R)
• M24: 17,927,360 km (0.085 R)
• M25: 23,101,502 km (0.109 R)
• M26: 25,135,135 km (0.068 R)
• M27: 25,355,941 km (0.092 R)
• M28: 26,593,415 km (0.088 R)
• M29: 26,822,749 km (0.086 R)
• M30: 34,600,342 km (0.078 R)
• M31: 36,401,949 km (0.045 R)
• M32: 39,890,422 km (0.12 R)
• M33: 42,648,259 km (0.089 R)
• M34: 43,277,916 km (0.077 R)
• M35: 45,041,525 km (0.091 R)
• M36: 48,029,593 km (0.075 R)
• M37: 55,137,138 km (0.025 R)
• M38: 58,358,877 km (0.102 R)
• M39: 65,590,738 km (0.109 R)
• M40: 74,300,774 km (0.069 R)
• M41: 77,522,365 km (0.087 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 11,254 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit