🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.52 AU - 0.78 AU

Year: 338 Days

Day: 42.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.2

Radius: 8.3

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.91 AU - 1.13 AU

Year: 665 Days

Day: 14.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 94,466,851 km

• M1: 103,223 km (0.105 R)
• M2: 444,904 km (0.035 R)
• M3: 866,172 km (0.091 R)
• M4: 1,380,938 km (0.087 R)
• M5: 1,853,966 km (0.032 R)
• M6: 2,249,503 km (0.112 R)
• M7: 2,645,190 km (0.08 R)
• M8: 3,062,268 km (0.07 R)
• M9: 3,377,322 km (0.09 R)
• M10: 3,700,004 km (0.028 R)
• M11: 4,283,735 km (0.098 R)
• M12: 4,711,585 km (0.061 R)
• M13: 5,560,702 km (0.119 R)
• M14: 5,840,002 km (0.11 R)
• M15: 6,548,946 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.7

Radius: 9.1

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.13 AU - 1.25 AU

Year: 838 Days

Day: 10.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 94,466,851 km

• M1: 113,096 km (0.107 R)
• M2: 439,369 km (0.103 R)
• M3: 826,229 km (0.103 R)
• M4: 1,151,604 km (0.094 R)
• M5: 2,013,438 km (0.079 R)
• M6: 2,381,598 km (0.087 R)
• M7: 2,855,524 km (0.093 R)
• M8: 3,295,192 km (0.101 R)
• M9: 3,705,390 km (0.109 R)
• M10: 4,197,417 km (0.107 R)
• M11: 4,577,545 km (0.119 R)
• M12: 5,107,720 km (0.103 R)
• M13: 7,175,462 km (0.081 R)
• M14: 7,575,487 km (0.1 R)
• M15: 9,107,967 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.3

Radius: 13.6

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.29 AU - 1.55 AU

Year: 1093 Days

Day: 7.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 94,466,851 km

• M1: 169,644 km (0.086 R)
• M2: 662,270 km (0.112 R)
• M3: 1,297,163 km (0.091 R)
• M4: 1,798,316 km (0.078 R)
• M5: 2,325,499 km (0.072 R)
• M6: 2,857,469 km (0.099 R)
• M7: 3,633,583 km (0.112 R)
• M8: 4,283,436 km (0.072 R)
• M9: 4,789,675 km (0.075 R)
• M10: 6,326,494 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.2

Radius: 14.4

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.08 AU - 3.3 AU

Year: 2849 Days

Day: 12.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 94,466,851 km

• M1: 179,069 km (0.108 R)
• M2: 902,374 km (0.095 R)
• M3: 1,423,274 km (0.054 R)
• M4: 1,990,250 km (0.048 R)
• M5: 2,797,480 km (0.102 R)
• M6: 3,557,288 km (0.095 R)
• M7: 4,514,565 km (0.055 R)
• M8: 5,965,065 km (0.093 R)
• M9: 6,939,546 km (0.116 R)
• M10: 8,112,393 km (0.097 R)
• M11: 8,696,573 km (0.088 R)
• M12: 9,343,584 km (0.103 R)
• M13: 10,468,261 km (0.077 R)
• M14: 11,359,714 km (0.088 R)
• M15: 14,339,853 km (0.12 R)
• M16: 18,133,207 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.2

Radius: 12.7

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.8 AU - 4.62 AU

Year: 4614 Days

Day: 6 Hours

Environment

Temp: -213 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 94,466,851 km

• M1: 158,125 km (0.045 R)
• M2: 570,267 km (0.059 R)
• M3: 974,929 km (0.073 R)
• M4: 1,504,506 km (0.113 R)
• M5: 1,983,967 km (0.12 R)
• M6: 2,421,690 km (0.078 R)
• M7: 2,996,595 km (0.084 R)
• M8: 3,984,838 km (0.089 R)
• M9: 5,505,501 km (0.041 R)
• M10: 5,991,395 km (0.119 R)
• M11: 7,282,275 km (0.028 R)
• M12: 8,524,386 km (0.084 R)
• M13: 9,494,827 km (0.074 R)
• M14: 10,842,704 km (0.09 R)
• M15: 13,350,413 km (0.106 R)
• M16: 14,496,931 km (0.085 R)
• M17: 16,571,854 km (0.069 R)
• M18: 16,985,641 km (0.106 R)
• M19: 18,331,125 km (0.098 R)
• M20: 19,223,775 km (0.098 R)
• M21: 20,958,063 km (0.085 R)
• M22: 23,826,453 km (0.091 R)
• M23: 26,382,482 km (0.039 R)
• M24: 27,685,330 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215

Radius: 10.6

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.79 AU - 6.69 AU

Year: 8879 Days

Day: 13 Hours

Environment

Temp: -214 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 94,466,851 km

• M1: 131,796 km (0.073 R)
• M2: 535,710 km (0.084 R)
• M3: 965,355 km (0.12 R)
• M4: 1,922,781 km (0.069 R)
• M5: 2,547,353 km (0.094 R)
• M6: 4,369,006 km (0.091 R)
• M7: 4,797,454 km (0.056 R)
• M8: 6,254,089 km (0.08 R)
• M9: 10,364,739 km (0.06 R)
• M10: 10,855,420 km (0.103 R)
• M11: 13,917,090 km (0.094 R)
• M12: 15,703,438 km (0.094 R)
• M13: 20,549,811 km (0.115 R)
• M14: 20,899,870 km (0.05 R)
• M15: 22,119,691 km (0.116 R)
• M16: 22,487,402 km (0.097 R)
• M17: 23,084,298 km (0.079 R)
• M18: 25,017,402 km (0.044 R)
• M19: 26,639,940 km (0.114 R)
• M20: 27,561,613 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.6

Radius: 3.9

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.23 AU - 9.41 AU

Year: 14120 Days

Day: 23.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 94,466,851 km

• M1: 50,115 km (0.114 R)
• M2: 235,018 km (0.114 R)
• M3: 803,939 km (0.042 R)
• M4: 1,304,643 km (0.075 R)
• M5: 1,610,122 km (0.104 R)
• M6: 2,286,903 km (0.118 R)
• M7: 2,713,556 km (0.113 R)
• M8: 9,005,343 km (0.111 R)
• M9: 12,170,834 km (0.052 R)
• M10: 24,013,151 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 973.9

Radius: 3

Gravity: 108.21 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 10.13 AU - 11.65 AU

Year: 23204 Days

Day: 16.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 94,466,851 km

• M1: 39,195 km (0.049 R)
• M2: 149,747 km (0.087 R)
• M3: 244,742 km (0.099 R)
• M4: 375,491 km (0.113 R)
• M5: 569,818 km (0.06 R)
• M6: 1,443,021 km (0.099 R)
• M7: 1,755,082 km (0.1 R)
• M8: 2,066,096 km (0.109 R)
• M9: 3,073,937 km (0.118 R)
• M10: 3,339,174 km (0.053 R)
• M11: 3,982,744 km (0.103 R)
• M12: 5,342,589 km (0.115 R)
• M13: 6,737,888 km (0.107 R)
• M14: 7,033,344 km (0.099 R)
• M15: 7,440,848 km (0.114 R)
• M16: 7,650,435 km (0.104 R)
• M17: 7,863,762 km (0.088 R)
• M18: 11,011,301 km (0.068 R)
• M19: 19,431,118 km (0.099 R)
• M20: 22,761,017 km (0.091 R)
• M21: 32,426,685 km (0.113 R)
• M22: 34,409,156 km (0.072 R)
• M23: 38,926,264 km (0.089 R)
• M24: 39,240,718 km (0.093 R)
• M25: 39,556,968 km (0.044 R)
• M26: 41,000,737 km (0.073 R)
• M27: 41,326,262 km (0.065 R)
• M28: 42,479,213 km (0.057 R)
• M29: 42,979,767 km (0.033 R)
• M30: 48,204,174 km (0.114 R)
• M31: 52,293,432 km (0.065 R)
• M32: 54,226,236 km (0.052 R)
• M33: 59,890,460 km (0.094 R)
• M34: 62,219,400 km (0.081 R)
• M35: 62,649,344 km (0.044 R)
• M36: 67,282,690 km (0.073 R)
• M37: 72,613,460 km (0.113 R)
• M38: 75,747,685 km (0.119 R)
• M39: 85,954,299 km (0.114 R)
• M40: 88,099,981 km (0.093 R)
• M41: 93,338,151 km (0.081 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 17,947 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit